Homework Help: Physics

Posted by alex on Tuesday, October 26, 2010 at 11:24pm.

In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 16 m/s at an angle of 32° above the horizontal.

a) How long does it take for the ball to reach the wall if it is 5.2 m away?

(b) How high is the ball when it hits the wall?

Help me Please

Physics - Henry, Wednesday, October 27, 2010 at 6:34pm
a. X = hor. = 5.2 m,

d = 5.2 / cos32 = 6.13 m = distance ball must travel to reach wall.

d = V*t = 6.13 m,
16*t = 6.13,
t = 6.13 / 16 = 0.38 s.

b. h = ver. = 5.2 / sin32 = 9.8 m.

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