A body of mass 5kg movimg with a velocity of 30ms-1 due east is suddenly hit by another body and changes its velocity to 50ms-1 in the same direction. Calculate the magnitude of the impulse received.
-
A.
100Ns -
B.
150Ns -
C.
250Ns -
D.
400Ns
Correct Answer: Option A
Explanation
I = Ft = m(v – u)
= 5(50 – 30) = 100