Questions
The PE stored in a long spring stretched by 1 cm is U. If the spring is stretched by 3 cm instead, its PE will be :
detailed solution
Correct option is A
U=12k(1)2⇒U′=12k(3)2=92k=9UTalk 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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