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A rotating wheel obeys the equation theta(t)= 8.9t-14.0t^2+1.84t^4 where theta is in radians and t is...

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Physics

A rotating wheel obeys the equation theta(t)=8.9t-14.0t^2+1.84t^4 where theta is in radians and t is inseconds.

What is ω at t = 4.0 s? Use 'rad/s' for your units.

What is α at t = 4.0 s? Use 'rad/s^2' for your units.

What is the average angular velocity between t = 1.0 s and 2.0s? Use 'rad/s' for your units.

What is the average angular acceleration between t = 1.0 s and2.0 s? Use 'rad/s^2' for your units.

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