1. An automobile with a mass of 1200 kg travels at a speed of 90 km/h. a) What is its kinetic energy? b) What is the net work that would be required to bring it to rest?

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter11: Energy And Its Conservation
Section: Chapter Questions
Problem 43A
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1. An automobile with a mass of 1200 kg travels at a speed of 90 km/h.

a) What is its kinetic energy?

b) What is the net work that would be required to bring it to rest?

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