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The efficency of a practical machine is less than 100% why?
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If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply
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How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
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Physics, 22.06.2019 21:30
The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d
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The efficency of a practical machine is less than 100% why?...
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