Question

A wheel of radius 1.20m begins to rotate from rest with an acceleration of 3.00rad/sec^2 a,...

A wheel of radius 1.20m begins to rotate from rest with an acceleration of 3.00rad/sec^2

a, how long does it take the wheel to reach a linear velocity of 12.0m/s at the outer rim?

b, what is the wheel's angular speed at the time found in Part (a)?

c, What is the total distance (in meters) the wheel has turned through during this time?

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Answer #1

Find the tangential acceleration using value of angular acceleration and radius. Use equation of kinematics where acceleration is equal to tangential acceleration to find the time taken to reach the given velocity

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