Apoint on the rim of a wheel moves with a velocity of 60 feet per second. find the angular velocity of the point if the diameter of the wheel is 6 feet. 10 rad/sec 20 rad/sec 180 rad/sec 360 rad/sec

20 rad/sec

Step-by-step explanation:

The formula we are going to use is  

Where

v is the linear velocity (here given 60 ft/s)

 is the angular velocity (what we sought to find)

r is the radius (which is half of diameter, hence, 6/3 = 3 ft)

Plugging these numbers in, we find the angular velocity as:

Note: the units is radians per second (rad/s)

Correct answer 20 rad/sec

step-by-step explanation:

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