Tuesday

October 21, 2014

October 21, 2014

Posted by **Sierra** on Wednesday, June 20, 2012 at 11:34pm.

A) find the maximum height reached by the ball.

B) find the speed of the ball when it is at the highest point on its trajectory.

C) where does the ball land? That is what is the range of the ball?

- Physics -
**Henry**, Thursday, June 21, 2012 at 8:57pmVo = 27m/s @ 20 Deg.

Xo = 27*cos20 = 25.4 m/s = Hor. comp.

Yo = 27*sin20 = 9.2 m/s. = Ver. comp.

A. h = (Y^2-Yo^2)/ 2g.

h = (0-(9.2)^2 / -19.6 = 4.35 m.

B. V = 0 @ max. ht.

C. R = Vo^2*sin(2A)/g.

R = (27)^2*sin40 / 9.8 = 47.8 m.

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