A body of mass 0.05 kg is observed to fall with an acceleration of 9.5 ms–2. The opposing force of air on the body is

Q: A body of mass 0.05 kg is observed to fall with an acceleration of 9.5 ms–2 . The opposing force of air on the body is (g = 9.8 ms–2 )

(a) 0.015 N

(b) 0.15 N

(c) 0.030 N

(d) zero

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Ans: (a)