Question

A 3.0 kg mass is moving in a plane, with its x and y coordinates given by x = 5t^2 - 1 and y =3t^3 + 2, where x and y are in meters and t is in second. Find the magnitude of the net forceacting on this mass at t = 2 sec.(A) 112.08 N (B) 40N(C) 50N(D) 60N​

Answer 1

Answer:

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or u can also do it by

F = change in momentum / time taken