Questions
The potential energy of a spring when stretched through a distance x is 10 J. What is the amount of work done on the same spring to stretch it through an additional distance x?
detailed solution
Correct option is C
Potential energy of the spring when stretched through a distance x,U' = 12kx2 = 10 JWhen x becomes 2x, the potential energy will beU' = 12k(2x)2 = 4×12kx2 = 4×10 = 40 JWork done = U' -U = 40 - 10 = 30 JTalk to our academic expert!
Similar Questions
Two similar springs P and Q have spring constants such that Kp > . They are stretched first by the same amount (case a), then by the same force (case b). The work done by the springs are related as, in case (a) and case (b), respectively.
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