What is the equivalent resistance of the light string

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Q. A string of 22 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 76 W. What is the equivalent resistance of the light string?

Q. if a 2.5 kg ball puts 118 joules of energy in a spring with a 614 n/m constant, how far is the spring compressed?

Reference no: EM1355072

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