A metal ball weighing 0.2 lb is dropped from rest in a fluid. If the magnitude of the resi...

A metal ball weighing 0.2 lb is dropped from rest in a fluid. If the magnitude of the resistance due to the fluid is given by Cdυ, where Cd = 0.5 lb·s/ft is a drag coefficient and υ is the ball’s speed, determine the work done by the drag force during the first 2 s of the ball’s motion.

Figure P4.85