Asked by marco

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?

Answered by bobpursley
How long does it take to fall 40 m?

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

then, velocity= 175/time
Answered by marco
is g 9.8 or -9.8?
Answered by Anonymous
-9.8
Answered by Hi
Actually g is 9.8 if it were to be acceleration then it would be -9.8
Answered by yo
9.80
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