Question

A grindstone spinning at the rate of 8.3 rev/s has what approximate angular speed?

Answer 1

Answer: 52.12 rad/s

Step-by-step explanation:

Approx angular speed:

ω = 8.3( rev/s ) * 2(π)(1/rev)

= 8.3 * 2 * 3.14 = 52.12 rad/s