angular velocity and displacement

A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second?

• 6.67 rad/s

• 2500 rad/s

• 41.9 rad/s

• 20.9 rad/s

A grindstone spinning at the rate of 8.3 rev/s has what approximate angular speed?

• 3.2 rad/s

• 26 rad/s

• 52 rad/s

• 81 rad/s

There are 2π ___________ in one revolution of a circle.

• Gradiens

• Radians

• Degrees

• None of the Above

As an object rotates, the change in the angle is called _______ ____ and represented by ________

• angular displacement AND s

• angular displacement AND θ

• rotational displacement AND θ

• rotational displacement AND s

• angular displacement

• angular velocity

• angular acceleration

Match the following terms with their corresponding units

• rad/s

• angular velocity

• meters

• angular acceleration

• radians

• arc length

• rad/s²

• angular displacement

Match the following terms with their corresponding variables

• ω

• angular acceleration

• α

• angular velocity

• ΔΘ

• angular displacement

• s

• arc length

A bicycle wheel has a radius of .5 meters and covers an arc length of 3 meters with an angular displacement of .16 rad in 2 seconds. Click on the part of the circle that represents the 3 meters?

A bicycle wheel has a radius of .5 meters and covers an arc length of 3 meters with an angular displacement of .16 rad in 2 seconds. Click on the part of the circle that represents the .16 rad?

A Ferris Wheel has a radius of​ (a)   and spins ​with an angular displacement of ​​ (b)   ​ in ​ (c)  

• 50 meters
• 20 seconds
• 2Π rad