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August 27, 2014

Homework Help: Physics

Posted by Lindsay on Tuesday, November 6, 2007 at 3:46pm.

A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H = 35.0 m above sea level, directed at an angle theta = 46.7 above the horizontal, and with a speed v = 28.4 m/s. Assuming that air friction can be neglected, calculate the horizontal distance D traveled by the projectile.

Could someone give me the first step? I know that I will eventually use delta x = vx x t, but what do I need to do before that?

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