Dynamic Problem

  • Thread starter r1luher0
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  • #1
r1luher0
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SoRry But I Have An a PrOblem To start WIth this....

A boy is at a distance d = 6m from the base of a building attempts to throw a ball through a window size that H = 90cm at a height h = 8m.
if the ball's initial speed is v0 = 15m / s,
determine the range of initial angles Ø0 allowing the ball passes through the window. (acceleration of the ball is 9.81 m / s ^2 vertical down)

How Can I DetErmine the Angles??

http://img411.imageshack.us/img411/5928/123gs.jpg [Broken]

ThanKs For The help!!
 
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Answers and Replies

  • #2
berkeman
Mentor
63,238
14,189
SoRry But I Have An a PrOblem To start WIth this....

A boy is at a distance d = 6m from the base of a building attempts to throw a ball through a window size that H = 90cm at a height h = 8m.
if the ball's initial speed is v0 = 15m / s,
determine the range of initial angles Ø0 allowing the ball passes through the window. (acceleration of the ball is 9.81 m / s ^2 vertical down)

How Can I DetErmine the Angles??

http://img411.imageshack.us/img411/5928/123gs.jpg [Broken]

ThanKs For The help!!

Welcome to the PF. Please show us the kinematic equations that you will use to solve this type of problem. Is the horizontal velocity of the ball constant or varying? How about the vertical velocity of the ball?
 
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