Question

3. What is the kinetic energy (KE) of the spin motion of the Moon? The spin...

3. What is the kinetic energy (KE) of the spin motion of the Moon? The spin period of moon is 27.3 days.

a) about 3.15 E23 J

b) about 7.07 E-12

c) about 3.15 E23 N

d) about 8.91 E34 J

e) none

5. What mass for linear motion, a moment of inertia does for angular motion.

a) true

b) false

6. In slow driving, a truck tire's diameter 42 inches rotate through a 180-degree angle in 1.5 minutes. What is the angular velocity?

a) 0.035 rad/s

b) 120 rad/s

c) none

d) 2.09 rad/s

e) 0.035

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An ice skater with a moment of inertia of 0.390 kg*m2 is spinning at 6.00 rev/s...
An ice skater with a moment of inertia of 0.390 kg*m2 is spinning at 6.00 rev/s a. What is the angular velocity of the ice skater in rad/s? b. What is the angular momentum of the ice skater at this angular velocity c. He reduces his rate of spin (angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia if his angular velocity drops to 1.70 rev/s d. Suppose instead...
A 55.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia...
A 55.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 420 kg · m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.50 m/s relative to the Earth. (a) In what direction does the turntable rotate?...
A 50 kg woman stands at the rim of a horizontal turntable having a moment of...
A 50 kg woman stands at the rim of a horizontal turntable having a moment of inertia of 560 kg·m2 and a radius of 2.0 m. The turntable is initially at rest and is free to rotate about a frictionless vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.5 m/s relative to the Earth. (a) In what direction and with what angular speed...
A 65.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia...
A 65.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 460 kg · m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless vertical axle through its center. The woman then starts walking around the rim clockwise (as viewed from above the system) at a constant speed of 1.50 m/s relative to the Earth. (a) In what direction does the turntable rotate?...
A very thin 2.0-kg disk with a diameter of 80 cm is mounted horizontally to rotate...
A very thin 2.0-kg disk with a diameter of 80 cm is mounted horizontally to rotate freely about a central vertical axis. On the edge of the disk, sticking out a little, is a small, essentially massless, tab or "catcher." A 2.0-g wad of clay is fired at a speed of 14.0 m/s directly at the tab perpendicular to it and tangent to the disk. The clay sticks to the tab, which is initially at rest, at a distance of...
Please show work, I'm having trouble answering these :( 1)A bicycle with 0.3 m radius wheels,...
Please show work, I'm having trouble answering these :( 1)A bicycle with 0.3 m radius wheels, is moving such that the angular speed of each wheel is 75 rad/s. If the bicyclist then applies the brakes and the wheels slow with an angular acceleration of -15 rad/s2, how many revolutions will each wheel make before the bike stops? A. 188 revolutions B. 1.07e4 revolutions 1C.14.7 revolutions D. 62.7 revolutions E.29.8 revolutions 2)You tie the loose end of a 0.1 kg...
A horizontal turntable is made from a uniform solid disk and is initially rotating with angular...
A horizontal turntable is made from a uniform solid disk and is initially rotating with angular velocity of 7.1 rad/s about a fixed vertical axis through its center. The turntable has a radius of 0.23 m and a moment of inertia of 0.04761 kg m2 about the rotation axis. A piece of clay, initially at rest, is dropped onto the turntable and sticks to it at a distance d= 0.16 m from its center as shown in the figure. The...
3.) What is the most accurate statement concerning the spring constant (k)?          A. The spring...
3.) What is the most accurate statement concerning the spring constant (k)?          A. The spring constant is the ratio of the displacement of the spring from its equilibrium position divided by the force applied to the spring          B. When the displacement of the spring from its equilibrium position is plotted (y-axis) against the force applied to the spring that caused             C. Spring constant is a unitless number related to the “stiffness” or strength of the spring.            ...
1. Review your notes from 02-28 and your calculation of the moment of inertia of the...
1. Review your notes from 02-28 and your calculation of the moment of inertia of the "rigid rotator," two masses, 7 kg each attached to a light titanium bar (neglect this weight) separation 4.20 m rotation axis halfway between the two masses, perpendicular to the bar. Our calculation of moment of inertia Iwas I = ∑ left, right ( m r 2 ) = ( 7 k g ) ( 2.10 m ) 2 + ( 7 k g )...
Rigid rods of negligible mass lying along the y axis connect three particles. The system rotates...
Rigid rods of negligible mass lying along the y axis connect three particles. The system rotates about the x axis with an angular speed of 3.20 rad/s. An x y plane is shown. Three particles are all connected to each other by two rigid rods that are along the y-axis. The 4.00 kg particle is located at y = 3.00 m. The 2.00 kg particle is located at y = −2.00 m. The 3.00 kg mass is located at y...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT