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A 2.80 kg mass is dropped from a height of 4.50 m. find its kinetic energy(KE) at the moment it is dropped PLEASE HELP ME
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5 votes
A 2.80 kg mass is dropped from a height of 4.50 m. find its kinetic energy(KE) at the moment it is dropped PLEASE HELP ME

User MBender
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5.5k points

1 Answer

6 votes

Answer:

0 J

Step-by-step explanation:

Kinetic energy is:

KE = ½ mv²

At the moment it is dropped, v = 0 m/s. Therefore, KE = 0 J.

User Makki
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5.3k points
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