Question

a ball mass m is thrown vertically upward with the initial speed v0, it comes down at the same point with the speed other than vo because of the air drag which is equal to Kv2 where K is constant and v is speed of the ball at any instant. the work done by air drag during the entire journey is

Answer 1

Answer:

using the formula 1/2mu2=mghFh=h(mg+F)