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23 Nov 2019
A smooth circular hoop with a radius of .5m is placed flat onthe floor. A .4kg particle slides around the inside edge of thehoop. The particle is given an initial speed of 8m/s. After onerevolution, its speed has dropped to 6m/s because of the frictionwith the floor. A) find the energy transformed from mechanical to internal inthe particle-hoop-floor system as a result of friction in onerevolution. B) what is the total number of revolutions the particle makesbefore stopping? Assume the friction force remains constant duringthe entire motion.
A smooth circular hoop with a radius of .5m is placed flat onthe floor. A .4kg particle slides around the inside edge of thehoop. The particle is given an initial speed of 8m/s. After onerevolution, its speed has dropped to 6m/s because of the frictionwith the floor.
A) find the energy transformed from mechanical to internal inthe particle-hoop-floor system as a result of friction in onerevolution.
B) what is the total number of revolutions the particle makesbefore stopping? Assume the friction force remains constant duringthe entire motion.
