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If the mass starts from rest at t = 1 s, the speed of the mass at t = 5 s is most nearly

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If the mass starts from rest at t = 1 s, the speed of the mass at t = 5 s is most nearly

(A) 20  m/s

(B) 16  m/s

(C) 12  m/s

(D) 8  m/s

(E) 4  m/s

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1 Answer

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Best answer

Correct Option :- (E) 4  m/s

Explanation :-

Impulse = 16 Ns = (4  kg)( vf − 0) f   gives vf = 4 m/s

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