Ben and Chris are skiing on a smooth ice surface holding hand together along a linear direction. Their motion can be described by the (A) part of the displacement versus time graph shown below. At t= 10 s, Ben suddenly gives Chris a push and they start to move separately but still in the linear direction. Their motions afterwards are described by (B) (for Ben) and (C) (for Chris) parts in the graph, respectively. Ignore the effect of friction. x/mA 25.6 16 10 0 (A) 10 O (a) Find the initial velocity and final velocities of Ben and Chris. (b) If Ben has a mass of 70 kg, find the mass of Chris. (B) 20 t/s

Ben and Chris are skiing on a smooth ice surface holding hand together along a linear direction. Their motion can be described by the (A) part of the displacement versus time graph shown below. At t= 10 s, Ben suddenly gives Chris a push and they start to move separately but still in the linear direction. Their motions afterwards are described by (B) (for Ben) and (C) (for Chris) parts in the graph, respectively. Ignore the effect of friction. x/mA 25.6 16 10 0 (A) 10 O (a) Find the initial velocity and final velocities of Ben and Chris. (b) If Ben has a mass of 70 kg, find the mass of Chris. (B) 20 t/s

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Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter2: Representing Motion

Section: Chapter Questions

Problem 46A

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