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April 20, 2014

Homework Help: physics

Posted by Bob on Friday, June 14, 2013 at 2:09am.

According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy “Dizzy” Carlyle in a minor league game. The ball traveled 188 {\rm m} (618 {\rm ft}) before landing on the ground outside the ballpark

part a
Assuming the ball's initial velocity was 44^\circ above the horizontal and ignoring air resistance, what did the initial speed of the ball need to be to produce such a home run if the ball was hit at a point 0.9 {\rm m} (3.0 {\rm ft}) above ground level? Assume that the ground was perfectly flat.

Part B

How far would the ball be above a fence 3.0 {\rm m} (10 {\rm ft}) high if the fence was 116 {\rm m} (380 {\rm ft}) from home plate?

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