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What needs to be known about an object in order to determine its kinetic energy. P. S Please help I need to answer this question for my pendulum experiment.
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Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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At which temperature would a reaction with ah= -220 kj/mol and as=-0.05 kj/(mol-k) be spontaneous?
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What needs to be known about an object in order to determine its kinetic energy.
P. S Please help I...
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