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ME ASAP 1. Angular momentum is conserved when: a. Angular momentum is always conserved b. Angular momentum is conserved only in the absence of external
ME ASAP 1. Angular momentum is conserved when: a. Angular momentum is always conserved b. Angular momentum is conserved only in the absence of external torques. c. Angular momentum is conserved only for linear motion. d. Angular momentum is conserved only for objects in circular motion. 2. A skater is spinning with an initial angular velocity of 6 rad/s with her arms stretched out. When she pulls her arms inwards, her mom inertia becomes 1/4 of the initial value. What will be her final angular velocity? a. 12 rad/s b. 24 rad/s c. 36 rad/s d. 48 rad/s e. 60 rad/s 3. The moment of inertia of an object depends on: a. Mass b. Shape and Distributon of mass c. Axis of rotation d. All of the above e. None of the above 4. ifthe net torque acting on an object is zero, which of the following statements is true? a. The object is in translational equilibrium. b. The object is rotating with constant angular velocity. c. The object is rotating with constant angular acceleration d. The object is rotating in the opposite direction. 5. A wheel of mass 1Kg and a radius of 0.5 meters is initially at rest. A constant torque of 6 Nm is applied to the wheel for 4 seconds. What is the angular velocity of the wheel after this time? Moment of inertia of wheel is 1/2*M* 2 24 rad/s 48 rad/s 192 rad/s 240 rad/s 96 rad/s
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