- #1

jjg242

- 12

- 0

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?

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- Thread starter jjg242
- Start date

- #1

jjg242

- 12

- 0

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

neutrino

- 2,091

- 2

It is correct.

- #3

billiards

- 771

- 15

I concur...

- #4

asrafally

- 6

- 0

2 x 3.14 x 8.3 = 52.124jjg242 said:

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?

52 rad/s

i think so

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