When a golf ball of mass m = 0.11 kg is dropped from a height h. It interacts with the floor for t = 0.195 s, and applies a force of F = 10.5 N to the floor when it elastically collides with it.  What is the expression for the golf ball's velocity v in terms of the variables m, t, and F just after it rebounds from the floor? From knowing this how can we know the ball's magnitude of it's velocity (v) in meters per squared second?

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