A force acting on a body causes a change in the momentum of a body from 12 kg ms-1 to 16kg ms-1 in 0.25. Calculate the magnitude of the impulse
-
A.
28.0Ns -
B.
20.0Ns -
C.
4.0Ns -
D.
0.8Ns
Correct Answer: Option C
Explanation
Ft = I = MY – Mv
I = 16 – 12 = 4Ns