A problem by Sara Hassan
Q.a raindrop of mass m is falling vertically through the air with a steady speed v.the raindrop experiences a retarding force kv due to air, where k is constant.the acceleration of free fall is g.which expression gives the kinetic energy of the raindrop? A.mg/k B.mg^2/2k^2 C.m^3g^2/2k^2 D.m^2g/k
The answer is 3.
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