A body of mass 60kg has the momentum 3000kgms−1. Calculate the speed of the body.
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Solution
Given;
Mass of the truck, m=60kg
Momentum, p=3000kgms−1
Momentum of a body of mass ′m′ moving with a velocity ′v′ is expressed as p=mv ∴3000=60×v ⇒v=300060=50ms−1