A book with a mass of 3.3 kg sits on a bookshelf. If it has a gravitational
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Select the word from the list that best fits the definition classification of most stars on the h-r diagram
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Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k
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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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