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4 cards from this section. Quick, good the night before a test.
Calculate the angular velocity if a wheel rotates 30 radians in 5 seconds.
Use the formula ω = θ/t.
Convert 120 rpm to rad/s.
Remember the conversion factor from rpm to rad/s.
What is the formula for angular velocity?
Think of how fast the angle changes.
Angular velocity is a scalar quantity. (True/False)
Remember that it indicates the rotation direction.
A wheel accelerates from rest to 15 rad/s in 5 seconds. Calculate the angular displacement and the average angular velocity during this time.
Use both the formula for angular acceleration and average angular velocity.
A rotating object has an angular displacement of 10 radians and takes 4 seconds to complete this. Calculate the angular velocity and then convert to radians per minute.
Remember to convert rad/s to rpm using the conversion factor.
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