A ball is launched upward from ground level with an initial velocity of 20m/s. (a) how long is the ball in the air? (b) what is the height of the ball at its peak? (c) How many seconds after launch is the ball 15m above the release point?

A ball is launched upward from ground level with an initial velocity of 20m/s.
(a) how long is the ball in the air?
(b) what is the height of the ball at its peak?
(c) How many seconds after launch is the ball 15m above the release point?
 
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The post A ball is launched upward from ground level with an initial velocity of 20m/s. (a) how long is the ball in the air? (b) what is the height of the ball at its peak? (c) How many seconds after launch is the ball 15m above the release point? appeared first on Superb Professors.

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