24 Rotational Kinetic Energy and Moment of Inertia

24 Rotational Kinetic Energy and Moment of Inertia -...

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A 1,000kg vehicle is traveling counterclockwise in a circle (r=40m) at a constant speed of 10m/s. What is the vehicle’s moment of inertia?
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Three more cars are added and the radius of the track is doubled. What happens to the total moment of inertia?
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Two objects of equal mass rotate at the same rate. If object A is solid and object B is a shell: a) which has the most rotational kinetic energy? b) how much more?
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The rod below has negligible mass. The blue balls are each 2kg. The green ball is 1kg. What is the moment of inertia of the system when it rotates about the center? (Ignore the size of the balls.) 4 m 2 m
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The rod below is 2kg. The blue balls are each 2kg. The green ball is 1kg. What is the moment of inertia of the system when it rotates about the center? (Ignore the size of the balls.) 4 m 2 m
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The rod below is 2kg. The blue balls are each 2kg. The green ball is 1 kg. What is the
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Unformatted text preview: rotational kinetic energy of the system when it rotates 0.5 times per second about the center? (Ignore the size of the balls.) 4 m 2 m A top (r=0.5m) spins around 10 times every second. If most of the mass is concentrated in the disk, what is the moment of inertia of the top? A top (r=0.5m) spins around 10 times every second. If most of the mass is concentrated in the disk, what is the rotational kinetic energy of the top? A top (r=0.5m) spins around 10 times every second. If most of the mass is concentrated in the disk, what is the rotational kinetic energy of the top? A 4kg ball rotates around the green post below 3 times per minute. The ball has a radius of 2m and the center of the ball is 5m away from the post. What is the rotational kinetic energy of the ball....
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24 Rotational Kinetic Energy and Moment of Inertia -...

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