Questions
If L, m denote the angular momentum and mass of the particle a:rd p is linear momentum, which of the following can represent the kinetic energy of the particle moving in a circle of radius .R ?
detailed solution
Correct option is C
In terms of linear momentum, the K.E. is given by K.E. =p22mNow we consider the K.E in terms of angular momentum L L=mvR or V=L/(mR) K.E. =12mv2 Substituting the value of v from eq. (1) in eq. (2), we get K.E. =12m(L/mR)2=L22mR2Talk to our academic expert!
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A particle of mass m = 5 units is moving with a uniform speed , units in the XOY plane along the line y = x + 4. The magnitude of the angular momentum of the Particle about the origin is
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