Answered

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What is the gravitational potential energy of a 3.0-kg rock that is 12.4 m above the ground?

Sagot :

Luv2Teach

Answer:

Explanation:

PE = mgh where m is mass, g is the pull of gravity, and h is the height to which the object can possibly fall.

PE = 3.0(-9.8)(-12.4) so

PE = 360 J, rounded to the correct number of sig figs.

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