Homework Help: physics

Posted by Meghan on Wednesday, September 14, 2011 at 11:27pm.

A man stands on the roof of a 19.0 m tall building and throws a rock with a velocity of magnitude 30.0 m/s at an angle of 30.0 degrees above the horizontal. Ignore air resistance. Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground.

physics - Conor, Monday, September 19, 2011 at 3:34pm
105 meters
find seconds to reach maximum height which is 1.53 s. Then find time it takes for object to drop 30.5 meters, 2.49 seconds. Add them together then multiply by initial x velocity and you get 105 meters.

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