Thursday
July 31, 2014

Homework Help: Introduction to Physical Science

Posted by Jason on Sunday, August 4, 2013 at 6:25pm.

When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)

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