Question

the velocity of a body of mass 10 kg increases from 4 metre per second to 8 metre per second when a force acts on it for 2 seconds what is the momentum before the force at what is the momentum after the force at what is the value of force​

Answer 1

Answer:

There are 3 answers

1st = 40 kg ms-1

2nd = 80 kg ms-1

3rd = 40 N