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November 28, 2014

Homework Help: pre-cal

Posted by jhon avendano on Wednesday, October 24, 2012 at 10:08am.

aj uses a lingshot to launch a rock straight up from the a point of 6 ft. above ground level with an initial velocity of 170 ft per second.

A) find an equation that models the height of the rock t seconds after it is launched.

b) what is the maximum height of the rock and when will it reach it. explain how you found this answer or show work.

c)when will the rock hit the ground? explain how you found this answer or show work.

d) what is the rock's vertical velocity when it hits the ground? show work

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