6. A yoyo is dropped as shown in the figure below. Neglect air friction. The mass of the yoyo is 0.160 kg, R = 10 cm and Ro = 2.0 cm. b. If the linear acceleration of the yo-yo is 2.0 m/s/s, determine the tension of the string. Ro c. Determine the rotational inertial of the yo-yo based on the acceleration indicated in b.
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- Rotational motion. I need help with #717An ice skater is spinning on the ice with her arms fully extended. When she pulls in her arms, she spins at a faster rate because a. Her moment of inertia decreases. b. Her moment of inertia increases. c. Her moment of inertia stays the same. d. Her mass stays the same. e. Her weight stays the same.
- 5. A disk of moment of inertia I₁ is rotating about a frictionless shaft with an angular speed wi. It is dropped onto another disk that is initially at rest. Because of friction, the two disks move as one with an angular speed wf. The moment of inertia of the second disk I2 is twice the value of I₁. If w₁ is 12 rpm, what is the final angular speed wf? A. 36 rpm B. 24 rpm C. 6 rpm D. 4 rpm 12 Frictionless shaft At rest 4 12a. How fast in revolutions per minute must a centrifuge rotate if a particle 7.0 cm from the axis of rotation is to experience an acceleration of 100000 g's? b. Moment of inertia of a long (one-dimensional) uniform rod of mass M and length L2 through the center of the rod is equal to :a. 1/3 ML2 b. 1/6 ML2 c. 3/8 ML2 d. 2/5 ML2 e. 1/12 ML26. A centrifuge in a lab rotates at an angular speed of 6500 rev/min. When switched off it rotates through 60 revolutions before coming to a rest. Find the constant angular acceleration of the centrifuge in rad/s².
- A pulley of mass 0.208 kilograms and radius 4.31 centimeters experiences an unbalanced torque of 0.00244 newton·meters. a. What is the pulley's angular acceleration? Include units in your answer. More information. b. If it started from rest, how much would the pulley have rotated after 2.35 seconds? Include units in your answer. More information.B. F. 2.480 cm C. 1.682 cm 1--1 IZKUK A grinding wheel 1.40 m in diameter rotates with angular speed 1340 rpm. What is the linear speed of a point on the edge of the grinding wheel? 13. A. 98.23 m/s D. 111.6 m/s B. 106.5 m/s E. 77.27 m/s 91.90 m/s C. 81.76 m/s F. 1--1 [carpet-3] IZKUO An object at the end of a 0.95 m string swings around in a circlA point object with a mass of 150 g can move around a circular track that has a radius of 25 cm. What is the moment of inertia of the object around the center of the track? a. 0.00017 kilogram. meter squared b. 0.00094 kilogram. meter squared c. 0.00038 kilogram. meter squared d. 0.00057 kilogram. meter squared
- A is correct need help with b6. A ball on a string has a moment of inertia of 14 kg · m². It experiences a torque of 21 m N. a. What is the angular acceleration of the ball? b. The ball starts from rest. What angular velocity does it have after 3.5 seconds? c. What angular momentum does the ball have after 3.5 seconds?V1