Asked by Anne
A ball rolls off a platform that is 3 meters above the ground. The ball's horizontal velocity as it leaves the platform is 4.5 m/s.
(a) How much time does it take for the ball to hit the ground? (See the example box, use g = 10 m/s2.)
(b) How far from the base of the platform does the ball hit the ground?
(a) How much time does it take for the ball to hit the ground? (See the example box, use g = 10 m/s2.)
(b) How far from the base of the platform does the ball hit the ground?
Answers
Answered by
oobleck
(a) 5t^2 = 3
(b) since the horizontal speed is constant, and distance = speed * time, that would be 4.5t (with t from (a) above)
(b) since the horizontal speed is constant, and distance = speed * time, that would be 4.5t (with t from (a) above)
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