1.

A particle of mass m is moving in a horizontal circle of radius r under the action of centripetal force expressed as \(-\frac{C}{r^2}\), where C is constant. The total energy of the particle is:

A. \(\frac{C}{2r}\)
B. \(-\frac{C}{2r}\)
C. \(\frac{2C}{r}\)
D. \(\frac{C}{r}\)
Answer» C. \(\frac{2C}{r}\)


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