COLLEGE PHYSICS, VOL.1-W/ACCESS
4th Edition
ISBN: 9780135160800
Author: Knight
Publisher: PEARSON
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Chapter 10, Problem 57P
To determine
To find: The fraction that the initial kinetic energy transformed into the thermal energy in the collision.
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Chapter 10 Solutions
COLLEGE PHYSICS, VOL.1-W/ACCESS
Ch. 10 - The brake shoes of your car are made of a material...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - For Questions 3 through 10, give a specific...Ch. 10 - For Questions 3 through 10, give a specific...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - For Questions 3 through 1 0, give a specific...Ch. 10 - A ball of putty is dropped from a height of 2 m...
Ch. 10 - Puck B has twice the mass of puck A. Starting from...Ch. 10 - To change a tire, you need to use a jack to raise...Ch. 10 - Prob. 15CQCh. 10 - A roller coaster car rolls down a frictionless...Ch. 10 - A spring gun shoots out a plastic ball at speed v....Ch. 10 - Prob. 19CQCh. 10 - Sandy and Chris stand on the edge of a cliff and...Ch. 10 - Prob. 21CQCh. 10 - Prob. 24CQCh. 10 - A roller coaster starts from rest at its highest...Ch. 10 - A woman uses a pulley and a rope to raise a 20 kg...Ch. 10 - A hockey puck sliding along frictionless ice with...Ch. 10 - A block slides down a smooth ramp, starting from...Ch. 10 - A wrecking ball is suspended from a 5.0-m-long...Ch. 10 - Prob. 30MCQCh. 10 - Prob. 31MCQCh. 10 - Prob. 1PCh. 10 - The two ropes seen in Figure P10.2 are used to...Ch. 10 - The two ropes shown in the bird's-eye view of...Ch. 10 - Prob. 4PCh. 10 - A boy flies a kite with the string at a 30 angle...Ch. 10 - Prob. 6PCh. 10 - A crate slides down a ramp that makes a 20 angle...Ch. 10 - Prob. 8PCh. 10 - At what speed does a 1000 kg compact car have the...Ch. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - How fast would an 80 kg man need to run in order...Ch. 10 - Prob. 14PCh. 10 - Sams job at the amusement park is to slow down and...Ch. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - An energy storage system based on a flywheel (a...Ch. 10 - The lowest point in death Valley is 85.0 m below...Ch. 10 - The world's fastest humans can reach speeds of...Ch. 10 - A 72 kg bike racer climbs a 1200-m-long section of...Ch. 10 - A 1000 kg wrecking ball hangs from a 15-m-long...Ch. 10 - How far must you stretch a spring with k = 1000...Ch. 10 - How much energy can be stored in a spring with a...Ch. 10 - Prob. 26PCh. 10 - The elastic energy stored in your tendons can...Ch. 10 - Prob. 28PCh. 10 - Mark pushes his broken car 150 m down the block to...Ch. 10 - Prob. 30PCh. 10 - A 900 N crate slides 12m down a ramp that makes an...Ch. 10 - Prob. 32PCh. 10 - A 25 kg child slides down a playground slide at a...Ch. 10 - Prob. 34PCh. 10 - A boy reaches out of a window and tosses a ball...Ch. 10 - Prob. 36PCh. 10 - What minimum speed does a 100 g puck need to make...Ch. 10 - Prob. 38PCh. 10 - Prob. 39PCh. 10 - Prob. 40PCh. 10 - A fireman of mass 80 kg slides down a pole. When...Ch. 10 - Prob. 42PCh. 10 - Prob. 43PCh. 10 - Prob. 44PCh. 10 - In the winter activity of tubing, riders slide...Ch. 10 - Prob. 46PCh. 10 - A cyclist is coasting at 12 m/s when she starts...Ch. 10 - Prob. 48PCh. 10 - Prob. 49PCh. 10 - Prob. 51PCh. 10 - Prob. 52PCh. 10 - Prob. 53PCh. 10 - Prob. 54PCh. 10 - A 50 g marble moving at 2.0 m/s strikes a 20 g...Ch. 10 - Ball 1, with a mass of 100 g and traveling at 10...Ch. 10 - Prob. 57PCh. 10 - Two balls undergo a perfectly elastic head-on...Ch. 10 - Prob. 59PCh. 10 - Prob. 61PCh. 10 - Prob. 62PCh. 10 - A 1000 kg sports car accelerates from 0 to 30m/sin...Ch. 10 - Prob. 64PCh. 10 - An elite Tour de France cyclist can maintain an...Ch. 10 - Prob. 66PCh. 10 - A 710 kg car drives at a constant speed of 23 m/s....Ch. 10 - Prob. 68PCh. 10 - An elevator weighing 2500 N ascends at a constant...Ch. 10 - Prob. 70PCh. 10 - A 550 kg elevator accelerates upward at 1.2 m/s2...Ch. 10 - Prob. 73GPCh. 10 - Prob. 74GPCh. 10 - Prob. 75GPCh. 10 - You are driving your 1500 kg car at 20 m/s down a...Ch. 10 - Prob. 77GPCh. 10 - Prob. 78GPCh. 10 - Prob. 79GPCh. 10 - Prob. 80GPCh. 10 - The maximum energy a bone can absorb without...Ch. 10 - In an amusement park water slide, people slide...Ch. 10 - Prob. 83GPCh. 10 - Prob. 84GPCh. 10 - Two coupled boxcars are rolling along at 2.5 m/s...Ch. 10 - A 50 g ball of clay traveling at 6.5 m/s hits and...Ch. 10 - Prob. 87GPCh. 10 - Prob. 88GPCh. 10 - The mass of an elevator and its occupants is 1200...Ch. 10 - Tennis Ball Testing A tennis ball bouncing on a...Ch. 10 - Tennis Ball Testing A tennis ball bouncing on a...Ch. 10 - Tennis Ball Testing A tennis ball bouncing on a...Ch. 10 - Prob. 93MSPPCh. 10 - Tennis Ball Testing A tennis ball bouncing on a...Ch. 10 - Work and Power in Cycling When you ride a bicycle...Ch. 10 - Work and Power in Cycling When you ride a bicycle...Ch. 10 - Work and Power in Cycling When you ride a bicycle...Ch. 10 - Work and Power in Cycling When you ride a bicycle...Ch. 10 - Work and Power in Cycling When you ride a bicycle...
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- At the start of a basketball game, a referee tosses a basketball straight into the air by giving it some initial speed. After being given that speed, the ball reaches a maximum height of 4.25 m above where it started. Using conservation of energy, find a. the balls initial speed and b. the height of the ball when it has a speed of 2.5 m/s.arrow_forwardCheck Your Understanding There is a second solution to the system of equations solved in this example (because the energy equation is quadratic): v1.f=-2.5m/s , v2.f=0 . This solution is unacceptable on physical grounds; what’s with it?arrow_forwardFind the kinetic energy of the stone in the preceding example when it has fallen 5.0 m.arrow_forward
- Two blocks of masses m and 3m are placed on a frictionless, horizontal surface. A light spring is attached to the more massive block, and the blocks are pushed together with the spring between them (Fig. P8.7). A cord initially holding the blocks together is burned; after that happens, the block of mass 3m moves to the right with a speed of 2.00 m/s. (a) What is the velocity of the block of mass m? (b) Find the systems original elastic potential energy, taking m = 0.350 kg. (c) Is the original energy in the spring or in the cord? (d) Explain your answer to part (c). (e) Is the momentum of the system conserved in the bursting-apart process? Explain how that is possible considering (f) there are large forces acting and (g) there is no motion beforehand and plenty of motion afterward? Figure P8.7arrow_forwardConsider the following scenario. A car for which friction is not negligible accelerates from rest down a hill, running out of gasoline after a short distance (see below). The driver lets the car coast farther down the hill, then up and over a small crest. He then coasts down that hill into a gas station, where he brakes to a stop and fills that tank with gasoline. Identify the forms of energy the car has, and how they are changed and transferred in this series of events.arrow_forwardCalculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg runner sprinting at 10. m/s; and (c) a 9.11031 -kg electron moving at 2.0107m/s .arrow_forward
- A 5.0-kg body has three times the kinetic energy of an 8.0-kg body. Calculate the ratio of the speeds of these bodies.arrow_forwardA child of mass m starts from rest and slides without friction from a height h along a curved waterslide (Fig. P5.46). She is launched from a height h/5 into the pool. (a) Is mechanical energy conserved? Why? (b) Give the gravitational potential energy associated with the child and her kinetic energy in terms of mgh at the following positions: the top of the waterslide, the launching point, and the point where she lands in the pool. (c) Determine her initial speed V0 at the launch point in terms of g and h. (d) Determine her maximum airborne height ymax in terms of h, g, and the horizontal speed at that height, v0x. (e) Use the x-component of the answer to part (c) to eliminate from the answer to part (d), giving the height ymax in terms of g, h, and the launch angle . (f) Would your answers be the same if the waterslide were not frictionless? Explain. Figure P5.46arrow_forwardA 20.0-kg cannonball is fired from a cannon with muzzle speed of 1 000 m/s at an angle of 37.0 with the horizontal. A second ball is fired at an angle of 90.0. Use the isolated system model to find (a) the maximum height reached by each ball and (b) the total mechanical energy of the ballEarth system at the maximum height for each ball. Let y = 0 at the cannon.arrow_forward
- A dropped ball bounces to one-half its original height. Discuss the energy transformations that take place.arrow_forwardA ball of clay falls freely to the hard floor. It does not bounce noticeably, and it very quickly comes to rest. What, then, has happened to the energy the ball had while it was falling? (a) It has been used up in producing the downward motion. (b) It has been transformed back into potential energy. (c) It has been transferred into the ball by heat. (d) It is in the ball and floor (and walls) as energy of invisible molecular motion. (e) Most of it went into sound.arrow_forwardConsider the following scenario. A car for which friction is not negligible accelerates from rest down a hill, running out of gasoline after a short distance. The driver lets the car coast farther down the hill, then up and over a small crest. He then coasts down that hill into a gas station, where he brakes to a stop and fills the tank with gasoline. Identify the forms of energy the car has, and how they are changed and transferred in this series of events. (See Figure 7.34.) Figure 7.34 A car experiencing non-negligible friction coasts down a hill, over a small crest then dill again, and comes to a stop at a gas station.arrow_forward
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