Posted by **Anonymous** on Thursday, February 9, 2012 at 7:51pm.

An object is to be thrown through a window 3.5 m high a distance 7.5 m away. It is launched at an angle 70 degreesabove the horizontal.

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**Anonymous**, Thursday, February 9, 2012 at 7:52pm
An object is to be thrown through a window 3.5 m high a distance 7.5 m away. It is launched at an angle 70 degrees above the horizontal.

a. The initial launch speed at the specified angle which will allow the projectile to pass through the window is ?

b.The final speed of the object (that is, the speed at which it flies through the window) is

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