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Which would have the greatest gravitational potential energy?
45 kg dog on a 5 foot high rock
20 kg dog on a 2 foot high rock
20 kg dog on 2 foot high log
45 kg dog on 2 foot high log

Respuesta :

Bladerunner1976

Answer:

45 kg dog on a 5 foot high rock

Step-by-step explanation:

The equation for potential energy is PE = mgh, which is mass x 9.81 x height

You increase either the height or the mass you will increase the PE.  Since the 45 kg was the most and 5 foot was the highest thus it would have the highest PE.

ale2335
The answer would be A I just took the quiz.

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