force of an object is 20N and its acceleration is 5 meter per second 2 and velocity is 5M/S then what is its K.E.?
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Answer:
50J
Explanation:
F=ma
20=m×5
Therefore,
m=4kg
K.E=mv^2/2
=4×5^2/2
=4×25/2
=50J
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