Afan has blades that spin at 50 revolutions per minute. the blades are 20 inches long. what is the angular velocity of the
blades, in radians per minute? round your answer to the nearest hundredth.
rad/min

314.16 rad//min

Step-by-step explanation:

We'been given the angular velocity of the blade in revolutions per minute (50 rpm) but, we now want it in radians per minute.

To achieve that, lets remember that if we want to convert radians to revolutions, its just matter of dividing by 2pi, but if we want convert revolutions to radians, then we apply the opposite> multiplying by 2 pi.

Hence

50 rpm *2pi= 314.159 rad/min

Lets round that to nearest hundredth: 314.16 rad/min

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points