Aflywheel with a diameter of 1.63 m is rotating at an angular speed of 79.9 rev/min. (a) what is the angular speed of the flywheel in radians per second? (b) what is the linear speed of a point on the rim of the flywheel? (c) what constant angular acceleration (in revolutions per minute-squared) will increase the wheel's angular speed to 675 rev/min in 63.0 s? (d) how many revolutions does the wheel make during that 63.0 s?

(a) 8.362 rad/sec

(b) 6.815 m/sec

(c) 9.446

(d) 396.22 revolution

Explanation:

We have given that diameter d = 1.63 m

So radius

Angular speed N = 79.9 rev/min

(a) We know that angular speed in radian per sec

(b) We know that linear speed is given by

(c) We have given final angular velocity

And

Time t = 63 sec

Angular acceleration is given by

(d) Change in angle is given by

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