The wheel on an upside-down bicycle moves through 18.0 rad in 5.39 s. What is the wheel’s angular acceleration if its initial angular speed is 2.5 rad/s? Answer in units of rad/s 2 .

Explanation:

Formula to calculate angular acceleration is as follows.

or,      

Putting the given values into the above formula as follows.

                =    

                = 0.326

Thus, we can conclude that the wheel’s angular acceleration if its initial angular speed is 2.5 rad/s is 0.326 .

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