The Earth’s density increases with depth. If the Earth had the same mass and radius, and  rotated with same angular velocity, but it had a density that decreased with depth instead -- how would its rotational kinetic energy compare to the actual value? To be clear: The actual Earth is densest at the core; the one you are being asked about would be densest at the crust. a.) It would be the same as the actual value. b.) It would be less than the actual value. c.) It would be greater than the actual value. d.) More information is needed to find the answer. Please choose the correct answer.

Q: D: What is the angular velocity at the center of the disk?  E: If the disk took 3.2 sec to spin up…

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Q: An ice skater begins a spin in the middle of a large rink but then starts to spin faster by pulling…

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A: Given data: The velocity rim is v=300 m/s. The radius of rim is r=3000 m.

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Q: 1.Calculate its translational speed when it reaches the bottom. 2.Calculate its rotational speed…

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A: It is given that, T=27 days=2332800 secM=1.98×1030 kgR=696340×103 m

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Q: A solid ball has a radius of 0.110 m, and a mass of 1.88 kg. How much force must be applied to the…

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A: a) Apply the first angular kinematic equation to determine the angular acceleration.

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.