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An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
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An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. how...
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