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 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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