Suppose the kinetic energy of a body oscillating with amplitude A and at a distance

Suppose the kinetic energy of a body oscillating with amplitude A and at a distance x is given by KE = Bx / x² + A². The dimensions of B are the same as that of

Options

(a) work / time
(b) work x distnce
(c) work / distance
(d) work x time

Correct Answer:

work x distnce

Explanation:

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  • Given
    -->KINETIC ENERGY =Bx/(x^2+A^2)
    -->[ML^2T^-2]=[B][L]/[L^2]
    -->[ML^2T^-2][L]=[B]
    Kinetic energy is equal to work done.
    THEREFORE,
    -->[B]=WORK*DISTANCE

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