Guest

A uniform disk of radius R and mass M is spinning with angular speed It is placed on a fiat horizontal surface; the coefficient of kinetic friction between disk and surface is (a) Find the frictional torque on the disk. (b) How long will it take for the disk to come to rest?

A uniform  disk of radius R and mass M is spinning with angular speed  It is placed on a fiat horizontal  surface;  the coefficient  of kinetic friction between  disk and surface is  (a) Find the frictional torque on the disk. (b) How long will it take for the disk to come to rest?

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago
232-899_1.PNG
Also, the frictional force on the ring is:
232-968_1.PNG
232-717_1.PNG
Integrate the above expression,
232-537_1.PNG
232-696_1.PNG

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free