Question

a. Convert 450 RPM into radians/second

b. Convert 25.5 radians/second into RPM

Answer 1

How do I tackle these?

Answer 2

\[\frac{rad}{sec}=RPM * \frac{2\pi}{60}\]

Answer 3

Does my calculator need to be in radian mode for both of these questions?

Answer 4

No, as far as your calculator is concerned you are just multiplying numbers.

Answer 5

radians mode is for working angles.

Answer 6

Cheers for explaining that, I'll get to working it out then.

Answer 7

For a) I got 47.12 (2dp)

Answer 8

That is a correct answer. :)

Answer 9

Cool, and for b) I got 243.51 RPM

Answer 10

Same answer, nice work.

Answer 11

Cheers! :)