A body is accelerated from rest by applying a force of 30N. The momentum of the body after 2 seconds isA.7.5 kg-m/sB.30 kg-m/sC.120 kg-m/sD.60 kg-m/s
Question
Solution 1
To solve this problem, we need to use the second law of motion, which states that the force applied on an object is equal to the change in its momentum over time. Mathematically, this is represented as F = Δp/Δt, where F is the force, Δp is the change in momentum, and Δt is the change in time.
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