Question

21.
A force of 3t Newton acts on a body of mass 10 kg in the forward direction where t is time and a constant
frictional force of 32 Newton is present. If the initial speed of the body is 10 m/s, the velocity of the body after
5 second is
(1) 2.5 m/s
(2)
3.5 m/s
(3) 5.0 m/s
(4) 6.5 m/s

Answer 1

Answer is provided in the attached image