A particle of mass m describes uniform circular motion in a horizontal plane. The quantity that is conserved is (a) linear velocity (b) linear momentum (c) angular momentum (d) linear acceleration.
Added by Iker C.
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(b) Linear momentum: This is also not conserved because the direction of the momentum (which is mass times velocity) is constantly changing. (c) Angular momentum: This is conserved. In uniform circular motion, the speed of the particle is constant, and so is the Show more…
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