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If it takes 50n of force to lift a 450n what is the ma of the machine
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Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
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If it takes 50n of force to lift a 450n what is the ma of the machine...
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