A 4.0 kg block slides along a frictionless surface at 5 m/s until a variable force acts on it. The force magnitude is 6N for 6 seconds, then instantaneously changes to 3N for 2 additional seconds. What is the total impulse of the force on the block? A. 20 Ns B. 42 Ns C. 48 Ns D. 54 Ns E. 60 Ns

A 4.0 kg block slides along a frictionless surface at 5 m/s until a variable force acts on it. The force magnitude is 6N for 6 seconds, then instantaneously changes to 3N for 2 additional seconds. What is the total impulse of the force on the block? A. 20 Ns B. 42 Ns C. 48 Ns D. 54 Ns E. 60 Ns

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 46A

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