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-The radius of the circle is 15m. In this case, we are given information about the energy at A and are asked for information B. (b) What is unreasonable about the result? Increased frictional forces can cause further damage and pain. Approx 2300 lbs without gravy or fat ACErs. https://www.visitkingsisland.com/blog/2019/june/readers-mailbag-how-much-does-a-beast-train-weigh (a) Calculate the minimum coefficient of friction needed for a car to negotiate an unbanked 50.0 m radius curve at 30.0 m/s. Assume thata=0a=0and that static friction has reached its maximum value. Find the direction and magnitude of the acceleration of the flea if its mass is6.00107kg6.00107kg. The roller coaster cart has a mass of 500 kg, and the spring launcher has a spring constant of 1500 N/m. WF and others use U. final velocity of car, Q:At a certain location, the horizontal component of the earth's magnetic field is 3.7 x 10-5 T, due, Q:The Addition and Resolution each. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. In the simple Bohr model of the ground state of the hydrogen atom, the electron travels in a circular orbit around a fixed proton. There are many description of motion problems which can be solved by either kinematics or energy. (a) Calculate the acceleration of the dogs starting from rest if each dog exerts an average force of 185 N backward on the snow. Following similar steps as in for point B. above, (d) At the last hill. The pulley and all surfaces are frictionless. For a better experience, please enable JavaScript in your browser before proceeding. (c) On ice, assuming thats=0.100s=0.100, the same as for shoes on ice. Initial #PE=mgh=PE(x)+KE(x)#. Are we talking about filled with fat ACErs or without? (c) Solve both problems assuming the truck has four-wheel drive. Estimate its terminal velocity. ), Show that the acceleration of any object down a frictionless incline that makes an anglewith the horizontal isa=gsina=gsin. Ein the system at the start = Ein the system at the end + E that left the system. How much do the roller coaster carts weigh? = mgh where m is the mass of your cart in grams, h is the height of your track and g=9.8 N/kg to calculate the potential energy. 1 Answer Michael Nov 9, 2016 #sf(41color(white)(x)"m/s")# Explanation: The potential energy of the roller coaster is converted into kinetic energy when it reaches the bottom. To maintain a constant speed, the force provided by a cars engine must equal the drag force plus the force of friction of the road (the rolling resistance). b=-4.9i^+4.4j^+3.8k^ It then drops 46 m before climbing 28 m to the top of the second hill. Only two significant figures were given in the text of the problem, so only two significant figures are included in the solution. direction. (b) Find the tension in the rope. Take D = 50.0 m, F = 110 N, L = 40.0 m, and = 50.0. acceleration = a = 4 m/s2 Just like each said, as long as you can fit into t Continue Reading 6 Sponsored by The Penny Hoarder (a) At point A. Assume Tarzan has a mass of 80.0 kg. How fast is the coaster moving? A freight train consists of two8.00105-kg8.00105-kgengines and 45 cars with average masses of5.50105kg.5.50105kg. JavaScript is disabled. (b) Calculatedr/dtdr/dtand then show that the speed of the particle is a constantA.A. (d) Calculate the centripetal force on the particle. The region and polygon don't match. Where must an object be placed in order, Q:A parallel-plate air capacitor with a capacitance of At a post office, a parcel that is a 20.0-kg box slides down a ramp inclined at30.030.0with the horizontal. If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a problem on icy mountain roads). As shown below, ifF=60.0NF=60.0NandM=4.00kg,M=4.00kg,what is the magnitude of the acceleration of the suspended object? Connect and share knowledge within a single location that is structured and easy to search. (The scale exerts an upward force on her equal to its reading.) What is the coefficient of kinetic friction between the child and the surface of the incline? K = Find the following. As you will learn in the course of this problem, The table and the pulley are frictionless. Jane, whose mass is 50.0 kg, needs to swing across a river (having width D) filled with person-eating crocodiles to save Tarzan from danger. Calculate the minimum forceFhe must exert to get the block moving. Note that the acceleration is independent of mass and reduces to the expression found in the previous problem when friction becomes negligibly small(k=0).(k=0). The kinetic energy of the roller coaster is 2*10^5 J The formula to calculate kinetic energy is, E_k=1/2mv^2 Here, The mass of the roller coaster is, m= 1000 kg The speed of the roller coaster is, v= 20 ms^-1 Therefore, E_k=1/2*1000*20^2 =2*10^5 J Shown below is a 10.0-kg block being pushed by a horizontal forceFFof magnitude 200.0 N. The coefficient of kinetic friction between the two surfaces is 0.50. This is an inertial force sensed and used by the riders to explain events in the rotating frame of reference of the barrel. (b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h? How much does an average roller coaster cart weigh? Suppose a child is riding on a merry-go-round at a distance about halfway between its center and edge. WebAs it is released, its velocity is 4.4 m/s. m above, for, A:work done W=4500W > coaster carriage weighs? Calculate the maximum acceleration of a car that is heading up a4.004.00slope (one that makes an angle of4.004.00with the horizontal) under the following road conditions. Describe this process in more detail, in particular, explaining how it is related to the fact that kinetic friction is less than static friction. The lunch box leaves a trail in the dust on the merry-go-round. Find (a) the value of the constantbin the equationv=mgb(1ebt/m),v=mgb(1ebt/m),and (b) the value of the resistive force when the bead reaches terminal speed. Wnc is any work done by non-conservative forces, such as friction or a push, which take energy in or out of the system of interest. Is it a bug? All are equivalent and refer to the same thing. About Us Dont I need to know the coefficient of friction to solve for stopping force? KE = 500kg 9.81 m s 30m. A massless rope to which a force can be applied parallel to the surface is attached to the crate and leads to the top of the incline. The safety features on a roller-coaster have a specific range of height and weight that passengers must be within. Asking for help, clarification, or responding to other answers. (d) How high has the elevator moved above its original starting point, and what is its final velocity? The value of 4200 N is about half the weight of the roller-coaster, so would require a coefficient of friction of about 0.5. Is that trail straight, curved to the left, or curved to the right? (b) What is its acceleration once it starts to move, if that force is maintained? (c) Does this acceleration seem large to you? A roller coaster car starts from rest at the top of a track 30.0 m long and inclined at20.020.0to the horizontal. Do new devs get fired if they can't solve a certain bug? Each car on The Beast weighs 2,300 pounds with the weight of a full train (without riders) 13,800 pounds. Drag forces acting on an object moving in a fluid oppose the motion. And what kind of steel coaster are you wanting? Angle of inclination for M1 is Another student pulls the In this case, the changing position of the roller-coaster reflected a change in the energy of the system, we are not asked to find time, and there are no significant unknown energy losses from the system. More than a bread box. (I'm bored today. Pardon.) roller coaster with weight requirement for a car, We've added a "Necessary cookies only" option to the cookie consent popup. Seriously, I would not trust rides like that. The coefficient of kinetic friction between the blocks and the surface is 0.25. :). Energy is almost always the most efficient way to approach these problems as long as enough information is given. A roller coaster cart starts from rest and accelerates, due to gavity, down a mass = 0.40 kg v = 4.0 m/s 0.80 m What is the magiitude Of the centripetal acceleration Of the stone? P7.81). Find the positionr(t)r(t)and velocityv(t)v(t)as functions of timet. A 2.0-kg object has a velocity of4.0im/s4.0i^m/satt=0.t=0. and find your body weight during a time when the acceleration was reading 2 G's. Draw the free body diagrams for the car going around a horizontal curve, the bottom of a vertical loop, and the top of a vertical loop in which the cart is upside down. TI Laboratory Report Is the total mechanical energy conserved in a system that's a simplifying approximation of an actual roller coaster? R = A constant resultant force of(2.0i+4.0j)N(2.0i^+4.0j^)Nthen acts on the object for 3.0 s. What is the magnitude of the objects velocity at the end of the 3.0-s interval? (c) Does the block actually reach the top of the track, or does it fall off before reaching the top? In that case. Particles in liquids achieve terminal velocity quickly. In its present state, the crate is just ready to slip and start to move down the plane. If we ASSUME U = 0 at (a) On dry concrete. = 5 9.81 * 5 Joules. (a) A 22.0-kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. WebThe weight of the roller coaster is pulled down by gravity, meaning that the cars are falling. (b) Calculate the force in the coupling between the dogs and the sled. J This makes physical sensestopping force takes energy out of the system and so The mass of the front barge is2.00103kg2.00103kgand the mass of the rear barge is3.00103kg.3.00103kg. Webto the floor of the roller coaster at all times, allowing the mass to move up and down in the tube freely.) (1/2) m v^2 = m g (45-5) The car is released from rest at a height h = 54.0 m above the U = potential energy = m g h Modern roller coasters have vertical loops like the one shown here. How would one calculate the lateral seat force experienced by a roller coaster rider if the turn were banked less than ideal? This form of the equation works equally well for the first part of the problem (where Wnc = 0) and for the second question (where you need to solve for Wnc.). Therefore, we are able to approach this question by tracking the energy. Some books use PE for potential energy. Always analyze the direction in which an object accelerates so that you can determine whether. Can any combination of forces be a centripetal force? (b) What must the force be in order to pull the sled at constant velocity? What's New the initial height 54.0 m is great enough so that the car never loses contact Express your answer numerically, in meters. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. A large rocket has a mass of2.00106kg2.00106kgat takeoff, and its engines produce a thrust of3.50107N.3.50107N. To be stable, the force exerted by the ground must be on a line going through the center of gravity. Find the net force on this object for any timet. A helicopter with mass2.35104kg2.35104kghas a position given byr(t)=(0.020t3)i+(2.2t)j(0.060t2)k.r(t)=(0.020t3)i^+(2.2t)j^(0.060t2)k^. Roller coasters mostly rely on two simple principles: conversion of Potential Energy to Kinetic Energy and vice versa, and conservation of energy. When a toilet is flushed or a sink is drained, the water (and other material) begins to rotate about the drain on the way down. Neglecting frictional losses, what is the expected speed of the coaster as it passes over the top of the Also use g = 10 m/s2. P If the top of the next hill is 13 meters, what is the kinetic energy of the roller coaster on this hill? (a) Calculate the tension in each of the two ropes supporting the swing under these conditions. Show that the acceleration of any object down an incline where friction behaves simply (that is, wherefk=kN)fk=kN)isa=g(sinkcos).a=g(sinkcos). Some problems contain multiple force vectors acting in different directions on an object. WebA roller-coaster car shown in the figure below is pulled up to point 1 where it is released from rest. What is the total mechanical energy of the roller coaster cart at point A? (The same slip-grab process occurs when tires screech on pavement.). The coefficient of static friction between the box and the surface on which it rests is 0.24. d M The force of b) How hard does it press against the track at point B. Ex=232 N/C Site Map Calculate the average acceleration of the potato in the tube as it goes from zero to the velocity found in (a). Railroad tracks follow a circular curve of radius 500.0 m and are banked at an angle of5.05.0. The radius of the loop is 20 m. What is the height of the car at point A? A roller coaster whose average speed is 32 ms is at the top of a 72m hill and weighs 966N. asked by Heylee Green November 30, 2020 1 answer Gravity applies a constant downward force on the roller coaster cars. Some problems contain several physical quantities, such as forces, acceleration, velocity, or position. If youve been on a roller coaster, youve experienced the slow climb up that first big hill on the tracks. When it is released, the block travels along a frictionless, horizontal surface to point , the bottom of a vertical circular track of radius R = 1.00 m, and continues to move up the track. If the order of the barges of the preceding exercise is reversed so that the tugboat pulls the3.00103-kg3.00103-kgbarge with a force of20.0103N,20.0103N,what are the acceleration of the barges and the tension in the coupling cable? F = 4200 N, In the second part of the problem, you are asked to find the force required to stop the roller-coaster between Points C and D. The energy chain for this motion is. Part of riding a bicycle involves leaning at the correct angle when making a turn, as seen below. The problem with trying to answer is that your questions are far to general. If the thrust of the motor is a constant force of 40.0 N in the direction of motion, and if the resistive force of the water is numerically equivalent to 2 times the speedvof the boat, set up and solve the differential equation to find: (a) the velocity of the boat at timet; (b) the limiting velocity (the velocity after a long time has passed). You may use the result of the previous problem. What is it? Given also is that initial velocity is towards the #x# axis only. (a) Show that the particle moves in a circle of radiusA. Find the required height h of the release point above the bottom of the loop in terms of R. (b) Now assume the release point is at or above the minimum required height. What bank angle is required? Use a free-body diagram in your answer. A time-dependent force ofF(t)F(t)is applied at timet=0t=0, and its components areFx(t)=ptFx(t)=ptandFy(t)=n+qtFy(t)=n+qtwherep,q, andnare constants. The path of the coaster from its initial point shown in the figure to point B involves only up-and-down motion (as seen by the riders), with no motion to the left or right. A. An elevator filled with passengers has a mass of1.70103kg1.70103kg. #=sqrt (18^2+v_y^2)# hmin= Its mass is1.50103kg1.50103kg. The car is released from rest at a height h = 54.0 m above the ground and point a= 30m point b= 0m point c= 25m point d= 12m 1. A 1.5-kg mass has an acceleration of(4.0i3.0j)m/s2.(4.0i^3.0j^)m/s2. The value of 30 m/s is reasonable for motion of a roller-coaster. By what factor does the drag force on a car increase as it goes from 65 to 110 km/h? The kinetic friction force between two materials moving relative to each other is determined using the coefficient of kinetic friction, which also depends on both materials and is always less than the coefficient of static friction. (Remember that friction always acts in the direction opposite that of motion or attempted motion between surfaces in contact. The car is released from rest at a height h = 54.0 m above the ground and slides along a frictionless track. But in both cases, if you initially recognize that you have the information to work the problem with energy, you can solve it in a single step. Find the potential energy of a particle subjected to this force when the particle is at a distance D from P, assuming the potential energy to be zero when the particle is at P. Check Your Understanding suppose the radius of the loop-the-loop in Example 7.9 is 15 cm and the toy car starts from rest at a height of 45 cm above the bottom. The values for Point can be put into the equation directly from your picture. After Collision Two friends are having a conversation. (Ignore rolling.) A students backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. Why is it not exactly an inertial frame? As shown below, the mass of block 1 ism1=4.0kg,m1=4.0kg,while the mass of block 2 ism2=8.0kg.m2=8.0kg. A flea jumps by exerting a force of1.20105N1.20105Nstraight down on the ground. (b) Show that the acceleration vector always points toward the center of the circle (and thus represents centripetal acceleration). Average Weight of a Roller Coaster Cart in Kg Pe_Emery.Brandt.286 April 26, 2022 A Roller Coaster Vehicle Has A Mass Of 500 Kg When Fully Loaded With Passengers A If The Vehicle Youtube A 1000 kg roller coaster begins on a 10 m tall hill with an initial velocity of 6m/s and travels down before traveling up a second hill. For trains of what speed are these tracks designed? Because you are given information about the motion of the roller-coaster, you can solve for force using energy (or Newtons Second Law) rather than plugging into the definition of friction. There would be a normal force pointing up and mg pointing down. (c) Which premise is unreasonable, or which premises are inconsistent? Suppose a steel ball bearing (density7.8103kg/m37.8103kg/m3, diameter 3.0 mm) is dropped in a container of motor oil. My kids went on a roller coaster type ride on the weekend. a lot. Including Wnc in some form is more general and gives an equation that is true in all situations, including those with non-conservative forces such as the second question in this problem. Formulate a list of pros and cons of such suits. Suppose the ride starts where the car is drawn at a height $h_1$ above a common reference line (like the horizon). Draw the side view of your roller coaster on graph paper. Once it begins to move, what is its acceleration and what reduced force is necessary to keep it moving upward at constant speed? (Drag area is0.70m20.70m2) (b) What is the drag force at 70 km/h and 100 km/h for a Hummer H2? (a) Calculate the minimum forceFhe must exert to get the block moving. A 30.0-kg girl in a swing is pushed to one side and held at rest by a horizontal forceFFso that the swing ropes are30.030.0with respect to the vertical. Express your answer numerically, in joules. It's going to vary from coaster to coaster, and car to car. I have to draw a short roller coaster on graph paper Directions: 1. Speed & Stopping Distance of a Roller-Coaster, no friction or air resistance between Points A and C. Can this problem be worked using kinematics and dynamics? Because it is released from rest, its starting velocity is zero. Assume the child is not holding on and does not wear a seat belt. 19962023 Ultimate Rollercoaster, LLC. (a) Assuming the frictional force on the diamond obeysf=bv,f=bv,what isb? Submit I couldn't say exactly as I wasn't at the ride at the time, but my wife (about 55 kg) had to go in the car with the smaller child (about 25 kg) and the larger child (about 35 kg) had to go in a car with another child about her size. What is the ideal speed to take a 100.0-m-radius curve banked at a20.020.0angle? A skydiver is at an altitude of 1520 m. After 10.0 seconds of free fall, he opens his parachute and finds that the air resistance,FDFD, is given by the formulaFD=bv,FD=bv,wherebis a constant andvis the velocity. Find the magnitude and direction of the total force on the Achilles tendon. Suppose a mass is moving in a circular path on a frictionless table as shown below. Who do you agree with and why? (b) What is the minimum coefficient of friction between her shoes and the cliff? What is the force on the electron? (Note that this is a small effect and in most toilets the rotation is caused by directional water jets.) What is the direction of the force exerted on you by the car seat? A 75.0-kg woman stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in 2.00 s. (a) Calculate the scale reading in newtons and compare it with her weight. Express your answer numerically, in meters. The best answers are voted up and rise to the top, Not the answer you're looking for? Free shipping for many products! Together, they have mass 200.0 kg. Before Collision Two muscles in the back of the leg pull upward on the Achilles tendon, as shown below. each. On average, these carts can weight between 600 and about 1000 pounds each. Anna says a satellite in orbit is in free fall because the satellite keeps falling toward Earth. Draw the free body diagrams for the car going around a horizontal curve, the bottom of a vertical loop, and the top of a vertical loop in which the cart is upside down. then at 5 meters up This player leaves the floor with a vertical velocity sufficient to carry him 0.900 m above the floor. A box is dropped onto a conveyor belt moving at 3.4 m/s. (d) Write an expression for the position as a function of time, fort>30.0s.t>30.0s. If the gravitational potential energy of the car-Earth system is taken to be zero at C, what is its value It depends which roller coater because each roller coaster has a different weight. (b) What is the force of the car seat on the child at point B? each. Learn more about Stack Overflow the company, and our products. It is equally fine to pick the lowest point considered in the problem (Point D) to be h = 0. A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the road and car is 0.70, what is the maximum speed at which the car traverse the curve without slipping? (Velocity and Acceleration of a Tennis Ball). a. The values for Point A can be put into the equation directly from your picture. If an object is to rest on an incline without slipping, then friction must equal the component of the weight of the object parallel to the incline. First week only $4.99! The cars have become heavier over the past 20 years Calculate the deceleration of a snow boarder going up a5.005.00slope, assuming the coefficient of friction for waxed wood on wet snow. Shown below are two carts connected by a cord that passes over a small frictionless pulley. Consider a particle on which several forces act, one of which is known to be constant in time: . (d) #41 m#. Explain, considering especially that tape can stick to vertical walls and even to ceilings. KE A + PE A = KE D + PE D - W nc 0 + mgh A = 0 + mgh D - W nc (850 kg)(9.8 m/s 2)(140 m) = (850 kg)(9.8 m/s For the sake of simplicity, assume that your roller coaster track, I have to draw a short roller coaster on graph paper Directions: 1. You can ask a new question or browse more Science questions. O+ 7.000 Find the value of the minimum speed for the cyclist to perform the stunt. (c) What minimum speed is required to keep the child in his seat at point A? 6. The, Q:, Problem 7: A computer disk starts from rest at time t = 0 and accelerates uniformly for 0.500 s, A:Given data- After a mishap, a 76.0-kg circus performer clings to a trapeze, which is being pulled to the side by another circus artist, as shown here. (a) What is the acceleration of the protons(m=1.671027kg)(m=1.671027kg)that move around the accelerator at5%5%of the speed of light? Assume the child is not holding on and does not wear a seat belt. Oct 19, 2015 at 23:13. #implies v_B^2=gh# WebA roller-coaster car (Fig. WebA child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 7.00 m. At point A the speed of the car is 10.0 m/s, and at point B, the speed is 10.5 m/s. WebSolution for (Figure 1) A roller-coaster car may be represented by a block of mass 50.0 kg. It takes 12 s to fall a distance of 0.60 m. Calculate the viscosity of the oil. 20 Calculate the tension in the two ropes if the person is momentarily motionless. One depended upon the speed, while the other was proportional to the square of the speed. A car is moving at high speed along a highway when the driver makes an emergency braking. The left end of the spring is fixed, but the right end, at the equilibrium position x=0 , is moving with speed v in the x-direction. We say that the car at that point has a Potential Energy $U$ according to: $U=mgh_1$, where $g=9.81\:\mathrm{ms^{-2}}$ the Earth's acceleration constant, $m$ is the mass of the car (and riders) and $h_1$ that height above the reference line. What is the total kinetic energy of the spring? A half-full recycling bin has mass 3.0 kg and is pushed up a40.040.0incline with constant speed under the action of a 26-N force acting up and parallel to the incline. (b) What is unreasonable about the result? Considering only the #y# component of velocity of the car. In this problem, you are first asked to find a speed of a roller-coaster when you are given information about how its height changes. (b) Once the rescue is complete, Tarzan and Jane must swing back across the river. To learn more, see our tips on writing great answers. WebStart Vo = 0 h = 20 m (B) (C h =-5 m d 30m d = 40m. What is its speed at the top of the loop? The coefficient of sliding friction is known to be 0.300 for this situation. (a) Find the acceleration of the system. (a) At point A #=18 m//s# A limit involving the quotient of two sums, Short story taking place on a toroidal planet or moon involving flying. The barrel is spun up and the floor drops away. What is the magnitude and direction. A 560-g squirrel with a surface area of930cm2930cm2falls from a 5.0-m tree to the ground. (b) If you continue to exert this force once the crate starts to slip, what will its acceleration then be? Its position at any time is given byx(t)=pt3+qt2x(t)=pt3+qt2wherepandqare constants. Two blocks are connected by a massless rope as shown below. WF = Fd cos. A PTC 2 bencher is going to weigh differently than a PTC 3 or 4 bencher. In this case, the non-conservative force is the stopping force. it is also assumed that there is no loss of energy due to air friction. What average force is required to bring the roller-coaster to a stop at Point D if the brakes are applied at Point C? Consider the 65.0-kg ice skater being pushed by two others shown below. There is however one complication: my ideal scenario doesn't account for any energy losses due to friction between car and track or air drag losses. Experts are tested by Chegg as specialists in their subject area. An Arrow looping train? A stunt cyclist rides on the interior of a cylinder 12 m in radius. The terminal velocity of a person falling in air depends upon the weight and the area of the person facing the fluid. D. What is the apparent weight of the car at the bottom of a 4.5 m radius loop at 25 m/s?! In which types of motion would each of these expressions be more applicable than the other one? Assume the child is not holding on and does not wear a seat belt. Assume there is no friction or air resistance between Points A and C. How fast is the roller-coaster moving at Point B? This means that as the car accelerates down the slope, $U$ is being converted to $K$. An airplane flies at 120.0 m/s and banks at a3030angle. These losses are fairly difficult to model mathematically, at least accurately. and ? As shown below, ifM=6.0kg,M=6.0kg,what is the tension in the connecting string? c=1.8i^+2.8j^+4.6k^ An observer on the ground concludes that the forces on the cart are the force of gravity and the support from the track. As a skater forms a circle, what force is responsible for making his turn? A basketball player jumps straight up for a ball. (b) Calculate his acceleration while he is straightening his legs. If the cart starts at a height h1 = 10m, how much must the. How long will it take for each skydiver to reach the ground (assuming the time to reach terminal velocity is small)? = 310-3m (a) Calculate his velocity when he leaves the floor. All surfaces are frictionless. The mass of the block on the table is 4.0 kg and the hanging mass is 1.0 kg. cart a distance of, Q:ed parallel-plate capacitor has plate area A = 30.0 cm, Using concepts related to centripetal force and Newtons third law, explain what force stretches the string, identifying its physical origin. (c) The elevator decelerates at a rate of0.600m/s20.600m/s2for 3.00 s. What is the tension in the cable during deceleration? A physics major is cooking breakfast when she notices that the frictional force between her steel spatula and Teflon frying pan is only 0.200 N. Knowing the coefficient of kinetic friction between the two materials, she quickly calculates the normal force. You will first need to note that the drag force is equal to the weight at terminal velocity. height h, Q:As shown below, a wire loop is immersed in a 0.8 T B-field (the direction of the field is shown in, Q:The 20-g bullet is travelling at 400 m/s when it becomes embedded in the 2.2 Coordinate Systems and Components of a Vector, 3.1 Position, Displacement, and Average Velocity, 3.3 Average and Instantaneous Acceleration, 3.6 Finding Velocity and Displacement from Acceleration, 4.5 Relative Motion in One and Two Dimensions, 8.2 Conservative and Non-Conservative Forces, 8.4 Potential Energy Diagrams and Stability, 10.2 Rotation with Constant Angular Acceleration, 10.3 Relating Angular and Translational Quantities, 10.4 Moment of Inertia and Rotational Kinetic Energy, 10.8 Work and Power for Rotational Motion, 13.1 Newtons Law of Universal Gravitation, 13.3 Gravitational Potential Energy and Total Energy, 15.3 Comparing Simple Harmonic Motion and Circular Motion, 17.4 Normal Modes of a Standing Sound Wave, 1.4 Heat Transfer, Specific Heat, and Calorimetry, 2.3 Heat Capacity and Equipartition of Energy, 4.1 Reversible and Irreversible Processes, 4.4 Statements of the Second Law of Thermodynamics.