A ball is thrown from a rooftop with an initial downward velocity of magnitude v0=0.53m/s. The rooftop is a height h=37.2m above the ground. 1. Find the vertical component of the final velocity meters per second, with which the ball hits the ground.  2. If the height is fixed at 37.2m, but we wanted the ball's final speed to be 32.7m/s, what would the vertical component, in meters per second, of the initial velocity need to be?

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Projectile Motion