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Physics, 20.03.2020 02:58 daniellealex

A toy cannon launches a 46-g golf ball straight up into the air with a kinetic energy of 6.8 J. What must the
ball's velocity be as it leaves the cannon?
A. 0.54 m/s
B. 0.79 m/s
C. 17 m/s
D. 80 m/s

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