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QUESTION
If no friction acts on a diver during a dive, then which of the following statements is true?
If no friction acts on a diver during a dive, then which of the following statements is true?A. The total mechanical energy of the system increasesB. Potential energy can be converted into kinetic energy but not vice versa.C. (KE + PE)beginning = (KE + PE)endD. all of the above
