Asked by Sandy
A cannonball is hot straight up from the edge of a cliff with an initial velocity of 30m/s. A second cannonball is shot straight downward from the edge of the same cliff with an initial velocity of -30m/s. How do the speeds of the two cannonballs compare when they reach the ground?
Answers
Answered by
bobpursley
they are the same. same initial energy, same final energy
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