Homework Help: Physics

Posted by Brooke on Friday, September 14, 2012 at 6:02pm.

7. A cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of 0.20 m/s. How far from the base of the building does the ball land?
(Assume no air resistance and that ay= g = 9.81 m/s2.)

Physics - Elena, Saturday, September 15, 2012 at 5:23am
H=gt²/2
t=sqrt(2H/g) = sqrt(2•7/9.81)=1.2 s.
x=v(x) •t =0.2•1.2 =2.4 m

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