Asked by Anonymous
A 57-kg lead ball is dropped from the leaning tower of Pisa. The tower is 56 m high.
(b) What is the speed of the ball after it has traveled 2.5 m downward?
(b) What is the speed of the ball after it has traveled 2.5 m downward?
Answers
Answered by
Damon
change in potential energy = (1/2) m v^2 = m g (2.5)
v^2 = 2 (9.8)(2.5)
v = 7 m/s
mass does not matter
v^2 = 2 (9.8)(2.5)
v = 7 m/s
mass does not matter
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