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A force acting on a body causes a change in the momentum of a body...

Physics
WAEC 2006
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
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Correct Answer: Option C
Explanation
Ft = I = MY - Mv

I = 16 - 12 = 4Ns
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