This Graph Shows the Angular Velocity of a Turntable as a Function

question 45

Multiple Choice

This graph shows the angular velocity of a turntable as a function of time. What is its average angular acceleration between t = 2 s and t = 4 s?

• A) −10 rad/s²
• B) −5 rad/s²
• C) 0 rad/s²
• D) 5 rad/s²
• E) 10 rad/s²

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