Questions
A long spring is stretched by 2 cm. Its potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be
a
U/25
b
U/5
c
5U
d
25U
detailed solution
Correct option is D
We know that, Energy stored=12kx2 U=12k(2)2 and U1=12k(10)2=2512k(2)2 ∴ U1=25UTalk to our academic expert!
Similar Questions
A simple pendulum is swinging in a vertical plane. The ratio of its potential energies when it is making angles and with the vertical is,
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