A force acting on a body causes a change in the... - WAEC Physics 2006 Question
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 option: c
Ft = I = MY - Mv
I = 16 - 12 = 4Ns
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