Question

A wheel made of brass has a moment of inertia I = 1.42 kg·m2. If the...

A wheel made of brass has a moment of inertia I = 1.42 kg·m2. If the temperature of the wheel increases by 115.0°C, approximately how much does the moment of inertia of the wheel increase?

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
An electric motor can accelerate a Ferris wheel of moment of inertia I = 21000 kg·m2...
An electric motor can accelerate a Ferris wheel of moment of inertia I = 21000 kg·m2 from rest to 11.0 rev/min in 12.0 s. When the motor is turned off, friction causes the wheel to slow down from 11.0 to 9.0 rev/min in 10.0 s. (b) Determine the power that would be needed to maintain this rotational speed.
A wheel has a horizontal axis and a moment of inertia I = 220.0 kg۰m2. A...
A wheel has a horizontal axis and a moment of inertia I = 220.0 kg۰m2. A rope is wrapped around the rim of the wheel, R = 0.230 m, and the free end of the rope has a 4.00 kg mass attached to it. The system is released from rest. Draw free-body diagrams for both the wheel and the 4.00 kg mass. Determine the angular acceleration α of the wheel.
A turntable has a moment of inertia of 3.0 × 10−2 kg·m2 and spins freely on...
A turntable has a moment of inertia of 3.0 × 10−2 kg·m2 and spins freely on a frictionless bearing at 25 rev/min. A 0.60-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.10 m from the center. By what factor does the kinetic energy of the system change after the putty is dropped onto the turntable? a. 1.0 b. 0.83 c. 1.5 d. 0.91
A wheel stars at rest, has a radius of 0.1m and has a moment of inertia...
A wheel stars at rest, has a radius of 0.1m and has a moment of inertia I=10kg*m^2. A constant torque of 3 N*m is applied to the wheel to cause counter-clockwise angular acceleration 1) what will the angular velocity of the wheel be when the angular displacement is 20*pi radians? 2) what will the tangentail speed of a point on the outer edge of the wheel be when the angular velocirt of the wheel is your answer to part 2?...
A 10.0 kg wheel has a diameter of 50.0 cm. How much is the moment of...
A 10.0 kg wheel has a diameter of 50.0 cm. How much is the moment of inertia of the wheel? If the wheel is pressed by an axe with a normal force of 10.0 N, the coefficient of kinetic friction between the axe and the wheel is 0.200. How much torque is the wheel experiencing from the axe (in Nm)? If the wheel was spinning with 300 rpm before the axe touches it, how long does it take for the...
The angular momentum of a flywheel having a rotational inertia of 0.161 kg·m2 about its central...
The angular momentum of a flywheel having a rotational inertia of 0.161 kg·m2 about its central axis decreases from 8.60 to 0.820 kg·m2/s in 4.00 s. (a) What is the magnitude of the average torque acting on the flywheel about its central axis during this period? (b) Assuming a constant angular acceleration, through what angle does the flywheel turn? (c) How much work is done on the wheel? (d) What is the magnitude of the average power done on the...
A boy stands at the center of a turntable, which has a moment of inertia of...
A boy stands at the center of a turntable, which has a moment of inertia of 1.50 kg·m2 about an axis through its center. The boy's moment of inertia about the same axis, when he holds his arms in, is 1.10 kg·m2; when he sticks his arms straight out, his moment of inertia is 1.80 kg·m2. He and the turntable are initially rotating at a rate of 2.00 rad/s, with his arms extended.             a.         He pulls in his arms. What is...
A playground merry-go-round of radius R = 1.60 m has a moment of inertia I =...
A playground merry-go-round of radius R = 1.60 m has a moment of inertia I = 255 kg·m2 and is rotating at 11.0 rev/min about a frictionless vertical axle. Facing the axle, a 25.0 kg child hops onto the merry-go-round and manages to sit down on its edge. What is the new angular speed of the merry-go-round?​
Answer the following questions about moment of inertia: 1) What is the physical significance of the...
Answer the following questions about moment of inertia: 1) What is the physical significance of the y-intercept (I0)? (MOMENT OF INERTIA (I) VS RADIUS (r^2) graph) 2) How might the friction influence the calculations of moment of inertia? 3) When a figure skater does a spin and then pulls in his/her arms, the spin rate increases. Why is this?
A hollow sphere of radius 0.120 m, with rotational inertia I = 0.0612 kg·m2 about a...
A hollow sphere of radius 0.120 m, with rotational inertia I = 0.0612 kg·m2 about a line through its center of mass, rolls without slipping up a surface inclined at 33.8° to the horizontal. At a certain initial position, the sphere's total kinetic energy is 42.0 J. (a) How much of this initial kinetic energy is rotational? (b) What is the speed of the center of mass of the sphere at the initial position? When the sphere has moved 0.610...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT