February 21, 2017

Homework Help: physics

Posted by Tsion on Saturday, February 1, 2014 at 2:13pm.

A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system.
(a) How much time elapses before the projectile is at a point 8.9 m above the ground and heading downwards toward the ground?
(b) How far downrange (the horizontal distance from the origin) was the projectile when it reached the highest point in its flight?

My answer for part a) 3.29 s
How do I get part b?

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