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April 24, 2014

Homework Help: physics (please help!)

Posted by meagan on Wednesday, September 21, 2011 at 9:42pm.

A projectile of mass 0.539 kg is shot from a
cannon. The end of the cannonís barrel is
at height 6.4 m, as shown in the figure. The
initial velocity of the projectile is 9 m/s .
How long does it take the projectile to hit the
ground?
Answer in units of s

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