WAEC - Physics (2006 - No. 12)
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
28.0Ns
20.0Ns
4.0Ns
0.8Ns
説明
Ft = I = MY - Mv
I = 16 - 12 = 4Ns
I = 16 - 12 = 4Ns