WAEC - Further Mathematics (2019 - No. 25)
A 35 N force acts on a body of mass 5 kg for 2 seconds. Calculate the change in momentum of the body.
70 kg ms\(^{-1}\)
55 kg ms\(^{-1}\)
50 kg ms\(^{-1}\)
35 kg ms\(^{-1}\)
解释
Change in momentum
= F x t = 35N x 2
= 70kg ms\(^{-1}\)