A net force of 15N acts upon a body of mass 3kg for 5s, calculate the change in the speed of the body?

A. 25.0ms-1
B. 9.0ms-1
C. 2.5ms-1
D. 1.0ms-1

Correct Answer: Option C

C. 2.5ms-1

Explanation

Ft = M(v – u)

v – u = 15×5/0.5 =10N