AP EAMCET · PHYSICS · Oscillations
A block of mass is fastened to a spring of spring constant of . The block is pulled to a distance from its equilibrium position on a frictionless surface, from rest at . The kinetic energy and the potential energy of the block when it is away from the mean position is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Angular frequency of SHM, ω=km=1001=10 Velocity, v=ωa2-x2=100.12-0.052 ⇒v=0.866 m/s Kinetic energy, K.E=12mv2=12×1×0.8662 ⇒K.E=0.375 J Potential energy, P.E=12kx2=12×100×0.052 ⇒P.E=0.125 J
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