Angular Velocity problem

  • Thread starter jjg242
  • Start date
  • #1
12
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just hoping to get this double checked:

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



a. 3.2 rad/s

b. 26 rad/s

c. 52 rad/s

d. 81 rad/s



answer: C, I simply did ; 2*π*8.3 rad/s = 52.1 rad/s. is this correct?
 

Answers and Replies

  • #2
2,063
2
It is correct.
 
  • #3
765
15
I concur...
 
  • #4
6
0
jjg242 said:
just hoping to get this double checked:

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



a. 3.2 rad/s

b. 26 rad/s

c. 52 rad/s

d. 81 rad/s



answer: C, I simply did ; 2*π*8.3 rad/s = 52.1 rad/s. is this correct?
2 x 3.14 x 8.3 = 52.124
52 rad/s
i think so
 

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