calculus

(Use the fact that the kinetic energy of a particle of mass "m" moving at a speed "v" is (1/2)m(v^2). Slice object into pieces in such a way that the velocity is approximately constant on each piece.)

Q: Find the kinetic energy of a phonograph record of uniform density, mass 50gm and radius 10cm rotating at 33(1/3) revolutions per minute.

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asked by mike

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