At t=10 s, the rope holding cargo on a hot-air balloon is cut and the cargo is in free fall (position is given in meters and time is given in seconds). What should the initial velocity of...At t=10 s, the rope holding cargo on a hot-air balloon is cut and the cargo is in free fall (position is given in meters and time is given in seconds). What should the initial velocity of the ball be (i.e., the velocity of the ball at the bottom of the hill)? If you want the red ball to return to the launcher at the same instant that the green ball hits the ground, what should the red tennis ball's initial velocity be?
