Monday
September 1, 2014

Homework Help: Physics

Posted by lian on Thursday, September 19, 2013 at 10:34pm.

while at the shooting range, jonathan shoots a bullet traveling horizontally with speed of 35 m/s. the bullet hits a board, perpendicular to the surface, passes through it and emerges on the other side with speed of 21 m/s. if the board is 4.00cm thick, how long does the bullet take to pass through the board?

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