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When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
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The gun from the crime scene shows tool marks where the serial numbers are ground off. there are also tool marks on the bullets left behind. what information can the tool marks on the bullets and gun provide about the crime? what type of evidence does this information provide, individual or class?
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James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference
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Cereal plants gain chemical potential energy as they grow. which form of energy is converted to create the chemical potential energy?
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When an object moves in uniform circular motion, the direction of its acceleration is?...
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