Questions
In a S.H.M. when the displacement is one half the amplitude, what fraction of the total energy is kinetic ?
detailed solution
Correct option is D
In case of S.H.M. K.E.=12mω2a2−x2 ∴ K.E. =12mω2a2−(a/2)2 ,( when x=a/2) =3412mω2a2 total energy =12mω2a2 raction of total energy = K.E. Total energy =3412mω2a212mωa2=34Talk to our academic expert!
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One end of an ideal spring is connected with a smooth block with the other end with rear wall of driving cabin of a truck as shown in figure. Initially, the system is at rest. If truck starts to accelerate with a constant acceleration ‘a’ , then the block (relative to truck ):
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