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PHYS 204 Week 5 Quiz

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PHYS 204 Week 5 Quiz

Rotation and Simple Machines

(TCO 5) A motorcycle wheel turns 3,600 times while being ridden for 6.40 min. What is the angular velocity? (Points : 5)

(TCO 5) A wheel of 1.00 m radius turns at 1.00 *103  rpm. Express the angular speed in rad/s. (Points : 5)

(TCO 5) How many watts of power are developed by a mechanic tightening bolts using 50.0 Nm of torque at a rate of 2.50 rad/s? (Points : 5)

(TCO 6) A bar is used to raise a 1.20* 103 N stone. The pivot is placed 30.0 cm from the stone. The worker pushes 2.50 m from the pivot. What force is exerted? (Points : 5)