What is used to turn the pointer of a galvanometer?
a.
a crank
b.
an electric cur...
Answers: 2
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What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green
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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?
Answers: 2
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