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8. What is the total mechanical energy of a penny dropped off of the top of the Empire

State Building if it has a potential energy of 47 J, and a kinetic energy of 23 J?
A.18J
B.24 J
C.70 J
D.667 J

User Syl
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1 Answer

6 votes

Answer:

C 70 Joules because all of the energy of converted to potential energy.

User Automatic
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