(3) 490 mJ
19.
A constant force F is applied to a body of mass
m moving with initial velocity u. If after the body
undergoes a displacement S, its velocity becomes
v, then the total work done is :-
(2) 5 lu² + v?]
(1) m[v2 + u?
(mv2 - U²]
131 V2 - 12]
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Answer:Derive an expression for kinetic energy possessed by an object of mass m moving with velocity v. also state si unit of kinetic energy.
Explanation:
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