Answered: 1. A 38-kg boy is rollerskating at a…

1. A 38-kg boy is rollerskating at a speed of 1.8 m/s when he bumps against a box. The box slows the boy's speed to 1.2 m/s in 0.40 s. What is the force of the boy against the box?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter8: Linear Momentum And Collisions

Section: Chapter Questions

Problem 17CQ: Mixed-pair ice skaters performing in a show are standing motionless at arms length just before...

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Math Practice
On a separate sheet of paper, solve the following problems.
1. A 38-kg boy is rollerskating at a speed of 1.8 m/s when he bumps
against a box. The box slows the boy's speed to 1.2 m/s in 0.40 s. What is
the force of the boy against the box?
2. An 18-kg ball rolls across a smooth floor and strikes a wall with a force
of 9.0 N. What is the recoil acceleration of the ball?
Conceptual Physics Reading and Study Workbook
■
Chapter 7

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