February 21, 2017

Homework Help: Physics

Posted by John on Monday, November 2, 2009 at 4:11pm.

A cannon fires a shell at an angle of 55.0 above the horizontal. The shell has a mass of 17.5kg, and its initial speed as it leaves the cannon is 289m/s. The cannon is not anchored to the ground. It is mounted on a base -a large block of wood- which is sittin go n a level roadway. If the road exerts a steady kinetic friction force of 430 N on the cannons sliding base, how much time does it take for the cannon to stop sliding after it fires the shell.

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