Question 1

A sphere of radius 16.0 cm rolls without slipping on a horizontal surface. If the angular speed of the sphere is 85.0 rad/s, what is the speed of its center of mass?

Accepted Answer

13.6 m/s

Question 2

The center of mass of a disk of radius 25 cm moves at 18 cm/s when the disk rolls without slipping on a horizontal surface. What is the angular speed of the disk?

Accepted Answer

0.72 rad/s

Question 3

Find the radius of a sphere whose center of mass has speed 4.8 m/s when it rolls without slipping at 15 rad/s.

Accepted Answer

0.32 m

NSMQ 2024 Physics Fundamentals Round Set 27

Question 1