Question-

A wheel of radius 2.0 m is rotating with a constant angular speed of 3.0 rad/s. What is the centripetal acceleration of a point on the wheel's rim?

a) 1.50 m/s^2

b) 2.0 m/s^2

c) 9.0 m/s^2

d) 18 m/s^2 

2. How many rad/s is 78 revolutions per minute equivalent to?

a) 4.4 rad/s

b) 8.2 rad/s

c) 9.4 rad/s

d) 8.8 rad/s 

3. A wheel of radius 2.0 m is rotating with a constant angular speed of 4.0 rad/s. What is the linear speed of a point on the wheel's rim?

a) 2.50 m/s

b) 7.0 m/s

c) 8.0 m/s

d) 2.0 m/s