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April 24, 2014

Homework Help: Physics - check this work for horizontal displacem

Posted by Farah on Sunday, December 5, 2010 at 5:18pm.

A 1.5kg melon is placed on top of the post. A girl lying on the ground fires a 500g arrow at ground level with velocity of 20m/s, 60deg above the horizontal, and hits the melon when the arrow is at its highest point. The melon, with the arrow embedded, falls to the ground. Find the horizontal displacement of the melon on the ground.

Ans: I tried the range formula - (Vi)^2* sin2theeta/(9.81), however i do not get the answer of 4.4m. i get 35.3m, where am i going wrong?

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