counterweight of mass m = 5.50 kg is attached to a light cord that is wound around a pulley as shown in the figure below. The pulley is a thin hoop of radius R = 6.00 cm and mass M = 2.80 kg. The spokes have negligible mass. M (a) What is the net torque on the system about the axle of the pulley? magnitude N.m direction Select- (b) When the counterweight has a speed v, the pulley has an angular speed w - v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley. kg • m)v (c) Using your result from (b) and 7 = dL/dt, calculate the acceleration of the counterweight. (Enter the magnitude of the acceleration.) m/s?

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A counterweight of mass m = 5.50 kg is attached to a light cord that is wound around a pulley as shown in the figure below. The pulley is a thin hoop of radius R = 6.00 cm and mass M = 2.80 kg. The spokes have negligible mass.
M
(a) What is the net torque on the system about the axle of the pulley?
magnitude
N. m
direction
---Select---
(b) When the counterweight has a speed v, the pulley has an angular speed w = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley.
kg • m)v
(c) Using your result from (b) and 7 = dL/dt, calculate the acceleration of the counterweight. (Enter the magnitude of the acceleration.)
m/s2
Transcribed Image Text:A counterweight of mass m = 5.50 kg is attached to a light cord that is wound around a pulley as shown in the figure below. The pulley is a thin hoop of radius R = 6.00 cm and mass M = 2.80 kg. The spokes have negligible mass. M (a) What is the net torque on the system about the axle of the pulley? magnitude N. m direction ---Select--- (b) When the counterweight has a speed v, the pulley has an angular speed w = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley. kg • m)v (c) Using your result from (b) and 7 = dL/dt, calculate the acceleration of the counterweight. (Enter the magnitude of the acceleration.) m/s2
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