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March 1, 2015

Homework Help: physics

Posted by andrea on Tuesday, February 22, 2011 at 1:26pm.

A 1.00 g grasshopper and a 0.100 g cricket leap vertically into the air with the same initial speed in the absence of air drag.

Which of the following statements must be true? (More than one statement may be true.)

A. The grasshopper goes 10 times as high as the cricket.
B. Both will reach the same height.
C. At the highest point, both will have the same amount of gravitational potential energy relative to the ground.
D. At the highest point, the gravitational potential energy for the grasshopper will be 10 times as great as that for the cricket.
E. The grasshopper and the cricket have the same initial kinetic energy.

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