A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and ma

Question

A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.600 Nm that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 200 rev/min?

2. A disk 8.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis. Determine the tangential speed at a point 3.00 cm from its center.

3.A wheel starts from rest and rotates with constant angular acceleration to reach an angular speed of 12.0 rad/s in 3.00 s. Find the angle through which it rotates in this time .

4.A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and mass 2.00 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.600 Nm that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 200 rev/min?

5. A cylinder of mass 10.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of 10.0 m/s. Determine its total energy

6.A horizontal 800-N merry-go-round is a solid disk of radius 1.50 m, started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk. Find the kinetic energy of the disk after 3.00 s

Explanation / Answer

A grinding wheel is in the form of a uniform solid disk of radius 7.00 cm and ma

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