Asked by Justine
a ball is thrown vertically upward and reaches a height of 15 cm. Find, a.) The projection velocity b.) the time of flight c.) the speed with w/c the ball passes the starting point
Answers
Answered by
bobpursley
15cm? Wow.
at the top, vf=0
vf=vi-2g(.15) solve for vi
vf=vi-gt solve for time t at the top.
now time of flight is 2*t
vf=vi-g(2t)
at the top, vf=0
vf=vi-2g(.15) solve for vi
vf=vi-gt solve for time t at the top.
now time of flight is 2*t
vf=vi-g(2t)
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