5th Edition

ISBN: 9780136782490

Author: Walker

Publisher: PEARSON CO

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Chapter 5, Problem 86GP

An air-track cart of mass m₁ = 0.14 kg is moving with a speed v₀ = 1.3 m/s to the right when it collides with a cart of mass m₂ = 0.25 kg that is at rest. Each cart has a wad of putty on its bumper, and hence they stick together as a result of their collision Suppose the average contact force between the carts is F = 1.5 N during the collision. (a) What is the acceleration of cart 1? Give direction and magnitude. (b) What is the acceleration of cart 2? Give direction and magnitude. (c) How much time does it take for both carts to have the same speed? (Once the carts have the same speed the collision is over and the contact force vanishes.) (d) What is the final speed of the carts, U_f? (e) Show that m₁U₀ is equal to (m₁ + m₂)U_f. (We shall investigate the significance of this result in Chapter 9.)

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Chapter 5, Problem 85GP

Chapter 5, Problem 87PP

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Chapter 5 Solutions

EP PHYSICS -MOD.MASTERING (18W)

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