Homework Help: PHYSICS

Posted by marco on Monday, December 20, 2010 at 6:30pm.

A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle?

PHYSICS - bobpursley, Monday, December 20, 2010 at 7:31pm
How long does it take to fall 40 m?

h=1/2 g t^2
solve for t.

then, velocity= 175/time
PHYSICS - marco, Tuesday, December 21, 2010 at 1:12pm
is g 9.8 or -9.8?
PHYSICS - Anonymous, Monday, October 22, 2012 at 2:21pm
-9.8

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