Question

A body of mass 2kg starts from rest and moves with uniform acceleration. It acquires a velocity 20ms-1 in 4s. The power exerted on the body in 2s in Watt is ----
a) 50
b) 100
c) 150
d) 200 ​

Answer 1

Explanation:

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Answer 2

Answer:

b) 100 is the correct answer.