Question

a force of 100 Newton acts on a mass initially at rest for 4seconds to give velocity of 20m/s find the mass of the body​

Answer 1

Answer:

your answer is 20kg

Explanation:

here F=100N ,t=4s v=20m/s

thrrefore acceleration a= v/t

a=20/4

a=5m/s^2

Therefore

F=ma

100=m*5

m=20 KG

Answer 2

here is your answer ...

hope it helps..

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