angular velocity and displacement

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

Match the following terms with their corresponding units

• rad/s

• arc length

• rad/s²

• angular acceleration

• radians

• angular velocity

• meters

• angular displacement

Match the following terms with their corresponding variables

• ω

• angular velocity

• α

• angular displacement

• s

• arc length

• ΔΘ

• angular acceleration

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?

What is the arc length when the radius is 15 m?

• 1125 m

• 19.63 m

• .086 m

• 64457 m

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Convert the following to radians:   
720⁰

• 3π
• 4π
• 5π

Match the following

• 2π

• omega

• angular displacement

• rad/s²

• ω

• α

• 1 revolution

• arc length

• s