A particle of mass 2.5kg is moving at a speed of 12 ms\(^{-1}\). If a force of magnitude 10N acts against it, find how long it takes to come to rest.
Given: mass = 2.5kg
speed = 12 ms\(^{-1}\), Final velocity = 0m/s
Force = 10N
F x t = m(v - u)
10 x t = 2.5(0 - 12)
t = \(\frac{30}{10}\) = 3s
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