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What is the wave speed if the period of a wave is 4 s and the wavelength is 1.8 m
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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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Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
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What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
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What is the wave speed if the period of a wave is 4 s and the wavelength is 1.8 m...
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