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A force acts on a body for 0.5s changing its momentum from 16.0kg ms-1 to...

Physics
WAEC 2003
A force acts on a body for 0.5s changing its momentum from 16.0kg ms-1 to 21.0kgms-1, calculate the magnitude of the force
  • A. 42.0N
  • B. 37.0N
  • C. 32.0N
  • D. 10.0N
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Correct Answer: Option D
Explanation
F = \(\frac{mv - mu}{1} = \frac{21 - 16}{0.5} = 10N\)
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