Question #51493
A student project required the design of a projectile launcher to launch a cricket ball from the ground vertically upward as fast as possible. One particular test saw the ball launch with an initial velocity of 18.0 m/s. Determine the time (in seconds) it took for the ball to reach the teacher on its upward journey if she was standing on top of a 14.0 m high building.

Take gravitational acceleration to be 9.81 m/s2.
1
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2015-03-24T04:11:33-0400
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