Question

a constant force of 10 N acts upon a body of mass 2.5 kg, initially at rest for 2s. the velocity of the body after 3 seconds will be​

Answer 1

Answer:

Given; F=10N, m=2.5kg

a=F/m

=10/2.5

a =4

body is initially at rest so , u=0

v =u +at

v=0 +4 ×3

v =12 m/s Ans.