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April 19, 2014

Homework Help: Physics

Posted by Priscilla on Monday, January 4, 2010 at 4:22pm.

The speed of an automobile of mass 1600 kg increases uniformly from 20 m/s to 30 m/s. What is the increase in its kinetic potential?

Given:
m = 1600 kg
V = 10 m/s

KE = 1/2 m v^2
KE = 1/2 (1600)(10)^2
KE = 80,000 J

Is this right?

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