A tennis ball (m = 0.23 kg) is thrown staight up in the air with a velocity of 4.8 m/s. How much potential energy will it have when it reaches it highest point?
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Answer:
Here, potential energy changes to kinetic energy..
K.E. = ½ mv²
= ½ x 0.23 x (4.8)²
= 2.6496 J(joule)
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