The angular velocity of a rotating turntable is given in rad/s by ω(t) = 4.5 + 0.64t - 2.7t2. What is its average angular acceleration between t = 1.0 s and t = 3.0 s?

A) 0.64 rad/s2 B) −5.4 rad/s2 C) −7.7 rad/s2 D) −10 rad/s2 E) −27 rad/s2 A) 0.64 rad/s2 B) −5.4 rad/s2 C) −7.7 rad/s2 D) −10 rad/s2 E) −27 rad/s2

Exam 10: Rotation

A wheel starts from rest and has an angular acceleration that is given by $\alpha$ (t) = (6.0 rad/s⁴)t². The time it takes to make 10 rev is:

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Question 101

The angular velocity of a rotating turntable is given in rad/s by ω(t) = 4.5 + 0.64t - 2.7t². What is its average angular acceleration between t = 1.0 s and t = 3.0 s?

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Question 102

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Exam 10: Rotation

A wheel starts from rest and has an angular acceleration that is given by α\alphaα (t) = (6.0 rad/s4)t2. The time it takes to make 10 rev is:

The angular velocity of a rotating turntable is given in rad/s by ω(t) = 4.5 + 0.64t - 2.7t2. What is its average angular acceleration between t = 1.0 s and t = 3.0 s?

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A wheel starts from rest and has an angular acceleration that is given by $\alpha$ (t) = (6.0 rad/s⁴)t². The time it takes to make 10 rev is:

The angular velocity of a rotating turntable is given in rad/s by ω(t) = 4.5 + 0.64t - 2.7t². What is its average angular acceleration between t = 1.0 s and t = 3.0 s?