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December 9, 2016

Homework Help: Physics(Please respond)

Posted by Hannah on Monday, May 28, 2012 at 8:07pm.

A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 17.4 m/s at an angle of 35.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air resistance, find the speed of the ball just before it lands.

I was going to do vx= 17.4 cos 35

vy=(17.4 sin 35) - 9.8(?)

and then do sqrt vx^2 + vy^2 but I wasn't sure if the vy equation was correct?

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