Question

An 80 kg person is standing on the edge of a 50 kg disk whose radius...

An 80 kg person is standing on the edge of a 50 kg disk whose radius is 1.5 m that can rotate about a pivot in its center. The person starts walking clockwise around the disk and the disk acquires an angular velocity of 3.0 rad/s.

Q1) What is the speed (m/s) at which the person is walking on the disk?

Q2) What is the magnitude of the person’s angular velocity (rad/s) relative to the ground?

Q3) what is the direction of travel (clockwise or counter clockwise) of the person and disk

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 flat uniform circular disk (radius = 3.00 m, mass = 1.00 ✕ 102 kg) is...
A flat uniform circular disk (radius = 3.00 m, mass = 1.00 ✕ 102 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 50.0 kg person, standing 1.75 m from the axis, begins to run on the disk in a circular path and has a tangential speed of 2.60 m/s relative to the ground. Find the resulting angular speed of the disk (in...
A flat uniform circular disk (radius = 5.44 m, mass = 320 kg) is initially stationary....
A flat uniform circular disk (radius = 5.44 m, mass = 320 kg) is initially stationary. The disk is free to rotate in the horizontal plane about a frictionless axis perpendicular to the center of the disk. A 66.4-kg person, standing 2.40 m from the axis, begins to run on the disk in a circular path and has a tangential speed of 2.97 m/s relative to the ground. Find the magnitude of the resulting angular speed (in rad/s) of the...
A man of m = 60 kg is standing on the edge of a disc of...
A man of m = 60 kg is standing on the edge of a disc of m = 100 kg and R = 2m on the ice. A pole goes through the center of the disc about which the disc can rotate freely. He is throwing a ball of m = .5 kg at a speed of v = 3.5 m/s and an angle of theta. (Everything is measured in the rest frame. Assume frictionless ice surface for parts a...
A merry-goround (disk of mass m = 200 kg, radius R = 1.6m) is rotating clockwise...
A merry-goround (disk of mass m = 200 kg, radius R = 1.6m) is rotating clockwise at a an angular speed of w = 0.5 rad s . A kid of mass m = 50kg is riding on the edge of the merry-go-round. At a particular point in time, the kid jumps off the merry-go-round at a speed v = 5.0 m/s relative to the ground, at an angle of 53 degrees below the x-axis. Part 1: What is the...
A person of mass 0.240 kg is at rest on the edge of a solid cylindrical...
A person of mass 0.240 kg is at rest on the edge of a solid cylindrical disk (? = 0.40 kg, ? = 0.60 m) rotating in a horizontal plane around the vertical axis through its center. The disk is rotating at 12.0 rad/s. The person moves to a point 0.3m from the center of the disk. One) what is the moment of inertia of the disk including the person? Two) what is the initial angular momentum of the disk...
Ben and Jerry are standing at the center of a 134 kg merry-go-round of radius 1.30...
Ben and Jerry are standing at the center of a 134 kg merry-go-round of radius 1.30 m that is already spinning at 3.00 rad/s. They proceed to walk in opposite directions toward the edge of the merry-go-round. If Ben reaches the edge while Jerry is halfway between the center and the edge, what will be the new angular velocity (in rad/s) of the merry-go-round? Assume Ben and Jerry can be modeled as point masses of 32.0 kg and 21.0 kg,...
A uniform disk with mass m = 9.11 kg and radius R = 1.37 m lies...
A uniform disk with mass m = 9.11 kg and radius R = 1.37 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 319 N at the edge of the disk on the +x-axis, 2) a force 319 N at the edge of the disk on the –y-axis, and 3) a force 319 N acts at the edge of the disk at an angle θ =...
Disk A, with a mass of 2.0 kg and a radius of 90 cm , rotates...
Disk A, with a mass of 2.0 kg and a radius of 90 cm , rotates clockwise about a frictionless vertical axle at 40 rev/s . Disk B, also 2.0 kg but with a radius of 50 cm , rotates counterclockwise about that same axle, but at a greater height than disk A, at 40 rev/s . Disk B slides down the axle until it lands on top of disk A, after which they rotate together. After the collision, what...
A person with mass mp = 77 kg stands on a spinning platform disk with a...
A person with mass mp = 77 kg stands on a spinning platform disk with a radius of R = 2.22 m and mass md = 195 kg. The disk is initially spinning at ω = 1.9 rad/s. The person then walks 2/3 of the way toward the center of the disk (ending 0.74 m from the center). 1) What is the total moment of inertia of the system about the center of the disk when the person stands on...
Please show all work, thanks. A beetle with a mass of 30.0 g is initially at...
Please show all work, thanks. A beetle with a mass of 30.0 g is initially at rest on the outer edge of a horizontal turntable that is also initially at rest. The turntable, which is free to rotate with no friction about an axis through its center, has a mass of 95.0 g and can be treated as a uniform disk. The beetle then starts to walk around the edge of the turntable, traveling at an angular velocity of 0.0800...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT