ow much kinetic energy does the 7.2-kg dog need to jump this high?

Science
Tutor: None Selected Time limit: 1 Day

A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work. 

Aug 27th, 2014

Kinetic Energy =mgh = 7.2 kg * 1.2 m * 9.8 m/s^2 = 84.672 J = 85 J 

Aug 27th, 2014

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Aug 27th, 2014
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Aug 27th, 2014
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