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3 cards from this section. Quick, good the night before a test.
What is the unit of angular velocity?
Think of how angles in circles are measured.
Convert 120 rpm into rad/s.
Use the conversion factor of 2π/60.
What is the formula for angular velocity?
Refer back to how angular displacement relates to time.
Is angular velocity a scalar quantity?
Think about what a vector represents compared to a scalar.
A car's wheels rotate at an angular velocity of 6 rad/s. If the radius of the wheel is 0.3 meters, calculate the speed of the car in m/s.
Use the relationship between angular and linear velocity.
A vinyl record spins at 33.3 rpm. Determine its angular velocity in rad/s.
Remember to convert rpm to rad/s using the conversion factor.
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