A block of mass m5 kg is released from rest from

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Unformatted text preview: done on the system, energy is transferred from the environment to the system –  If nega-ve work is done on the system, energy is transferred from the system to the environment A child of mass m starts from rest and slides with no fric-on from a height h along a curved waterslide. She is launched from a height h/5 into the pool. Is the mechanical energy conserved? 1.  Yes 2.  No Power •  OUen also interested in the rate at which the energy transfer takes place •  Power is defined as this rate of energy transfer –  •  SI units are Wams (W) –  Power Units •  US Customary units are generally hp –  Need a conversion factor –  Can define units of work or energy in...
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