Asked by Emmanuel
A stone is thrown with a velocity of 15 m/s at an angle of 60° to the horizontal . calculate
(a) the time it takes before the stone hits the ground
(a) the time it takes before the stone hits the ground
Answers
Answered by
oobleck
v = 15 sin60° - 9.8t
find t when v=0
that is when it is at the top of its arc, so double that time for it to fall back down.
find t when v=0
that is when it is at the top of its arc, so double that time for it to fall back down.
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