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Physics, 22.06.2019 05:00, caguil00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesnât, as machines are inefficient. d) no, it doesnât, as machines cannot create energy.
Answers: 1
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Physics, 22.06.2019 07:20, swkgp3cevk
What is the magnitude of the acceleration vector which causes a particle to move from velocity â5iâ2j m/s to â6i+ 7j m/s in 8 seconds. answer in m/s.
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