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Question
A ball is projected into the air with 900 J of kinetic energy that is transformed to potential energy at the top of its trajectory. When it returns to its original level after encountering air resistance, its kinetic energy isA) less than 900 J.
B) more than 900 J.
C) 900 J.
D) not enough information
Answer
This answer is hidden. It contains 1 characters.
Related questions
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