Question

For how long should a force of 100 N act on a body of 20 kg so that it acquires a velocity of 100 m/s?​

Answer 1

Explanation:

the answer will be

f=ma

100=20 xa

a=5

v=u+at

100=0+5t

t=20 sec OK friend

Answer 2

Explanation:

for 5 sec

I hope it help you