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Determine the mechanical energy of this object: a 1-kg ball rolls on the ground at 2m/s
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4 votes
Determine the mechanical energy of this object:

a 1-kg ball rolls on the ground at 2m/s

User Treast
by
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1 Answer

3 votes
Mechanical energy = potential energy + kinetic energy
The ball is on the ground so has no potential energy.

M.E = K.E
M.E = 1/2 mv²
M.E = 1/2 x 1 x 2²
M.E = 2 J
User JoakimE
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