A 30 kg object is dropped from 30 meters high. a) How much potential energy does it initially have? b) How much kinetic energy does it initially have? c) How much total mechanical energy does it have at some arbitrary time later? d) What is the maximum velocity as the object falls? e) At what height does the object have 2/3 of this maximum velocity?
A 30 kg object is dropped from 30 meters high. a) How much potential energy does it initially have? b) How much kinetic energy does it initially have? c) How much total mechanical energy does it have at some arbitrary time later? d) What is the maximum velocity as the object falls? e) At what height does the object have 2/3 of this maximum velocity?
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Transcribed Image Text:A 30 kg object is dropped from 30 meters high.
a) How much potential energy does it initially have?
b) How much kinetic energy does it initially have?
c) How much total mechanical energy does it have at some arbitrary time later?
d) What is the maximum velocity as the object falls?
e) At what height does the object have 2/3 of this maximum velocity?
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