A body is executing Simple Harmonic Motion. At a displacement $x$ its potential energy is ${E_1}$ and at a displacement y its potential energy is ${E_2}$. The potential energy $E$ at displacement $(x + y)$ is
  • A$\sqrt E = \sqrt {{E_1}} - \sqrt {{E_2}} $
  • B$\sqrt E = \sqrt {{E_1}} + \sqrt {{E_2}} $
  • C$E = {E_1} - {E_2}$
  • D$E = {E_1} + {E_2}$
Diffcult
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