A 35 N force acts on a body of mass 5 kg for 2 seconds.
FURTHER MATHEMATICS
WAEC 2019
A 35 N force acts on a body of mass 5 kg for 2 seconds. Calculate the change in momentum of the body.
- A. 70 kg ms\(^{-1}\)
- B. 55 kg ms\(^{-1}\)
- C. 50 kg ms\(^{-1}\)
- D. 35 kg ms\(^{-1}\)
Correct Answer: A. 70 kg ms\(^{-1}\)
Explanation
Change in momentum
= F x t = 35N x 2
= 70kg ms\(^{-1}\)
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