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

Correct Answer: C. 4.0Ns

Explanation

Ft = I = MY - Mv

I = 16 - 12 = 4Ns



Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *
Add Math
Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.