Question

At any angular speed, a certain uniform solid cylinder of diameter D has twice as much...

At any angular speed, a certain uniform solid cylinder of diameter D has twice as much rotational kinetic energy as a certain uniform thin-walled hollow cylinder of the same diameter when both are spinning about an axis through their centers. If the mass of the hollow cylinder is m, the mass of the solid cylinder is

A) 1/4 m. B) 1/2 m. C) m. D) 4 m. E) 8 m.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A uniform brass solid cylinder has a mass, m = 500 g, and a diameter, D...
A uniform brass solid cylinder has a mass, m = 500 g, and a diameter, D = 6 cm and a length L = 1 m. The cylinder rotates about its axis of rotational symmetry at an angular velocity of 60 radians/s on a frictionless bearing. (a) What is the angular momentum of the cylinder? (b) How much work was required to increase the angular momentum of the cylinder to this value if the cylinder was initially at rest? Once...
How much Kinetic energy would a 10.0 kg thin-walled hollow sphere with a diameter of 1.60...
How much Kinetic energy would a 10.0 kg thin-walled hollow sphere with a diameter of 1.60 m have if it was rotated at a speed of 45.0 rpm about an axis passing through its diameter?
QUESTION 1: We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass...
QUESTION 1: We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 75.0 kg and diameter 1.20 m . A) If this tumbler rolls forward at 0.450 rev/s, how much total kinetic energy does he have? K= B) What percent of his total kinetic energy is rotational? Krot/K= QUESTION 2: A 2.70-kg grinding wheel is in the form of a solid cylinder of radius 0.100 m. A) What constant torque will bring it from rest to...
A hollow sphere and a solid sphere, both of mass M and radius R, are each...
A hollow sphere and a solid sphere, both of mass M and radius R, are each spinning about an axis through their centers with the same angular speed. If the same braking torque is applied to each, which takes longer to come to a stop? A. hollow sphere B. solid sphere C. They both come to a stop in an equal amount of time.
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to...
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to rotate about its cylinder axis with an angular velocity of 60 rad/s. a. What is the angular momentum of the cylinder and how much work is required to reach this rate of rotation, starting from rest? b. After the cylinder has reached 60 rad/s, it is heated up from room temperature (20oC) to 100oC. The mean coefficient of linear expansion of brass is 2.0...
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to...
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to rotate about its cylinder axis with an angular velocity of 60 rad/s. a. What is the angular momentum of the cylinder and how much work is required to reach this rate of rotation, starting from rest? b. After the cylinder has reached 60 rad/s, it is heated up from room temperature (20oC) to 100oC. The mean coefficient of linear expansion of brass is 2.0...
Now your bicycle wheel is rotating with an angular speed of 46.4 rad/s. The wheel has...
Now your bicycle wheel is rotating with an angular speed of 46.4 rad/s. The wheel has a mass of 3.2 kg and a radius of 45.8 cm. Treat the wheel as a solid thin disc. (a)Calculate the rotational kinetic energy of the wheel in J. (b)Calculate the angular speed the wheel must have if its rotational kinetic energy is doubled, in rad/s.
A solid cylinder starts rolling without slipping from the top of an inclined plane. The cylinder...
A solid cylinder starts rolling without slipping from the top of an inclined plane. The cylinder starts moving from rest at a vertical height 10m. The mass of the cylinder is 1kg and its radius is .5m. The moment of inertia of the cylinder is 1/2 mr2 (where m is the mass of the cylinder and r is its radius). What is the speed of the center of mass of the cylinder when its vertical height is 4 mm ?...
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to...
A uniform solid brass cylinder of mass 0.50 kg and radius of 0.030 m starts to rotate about its cylinder axis with an angular velocity of 60 rad/s. a. What is the angular momentum of the cylinder and how much work is required to reach this rate of rotation, starting from rest? b. After the cylinder has reached 60 rad/s, it is heated up from room temperature (20oC) to 100oC. The mean coefficient of linear expansion of brass is 2.0...
A solid cylinder of mass 1.3 kg and radius 2.0 cm starts from rest at some...
A solid cylinder of mass 1.3 kg and radius 2.0 cm starts from rest at some height above the ground and rolls down an ncline without slipping. At the bottom of the incline, its linear speed is 2.5 m/s. (a) How much is its angular speed? (b) How much is its rotational kinetic energy? The moment of inertia of a solid cyllinder is 21mR2 (c) How much is its total energy at the bottom? (d) From what height did it...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT