during a circus performance, a 64 kg human cannonball is shot out of a 22 m long cannon, if the himan cannonball spends 1.1 s in the cannon, determine the average net force on him in the barrek if the cannon

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the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000