Medal. (:

The angular velocity of a point on a circle with a diameter of 24 feet is 15π radians per second. Find the approximate speed of the point on the circle.

2.5 ft/sec

3.9 ft/sec

565 ft/sec

1,131 ft/sec

Question

Medal. (:

The angular velocity of a point on a circle with a diameter of 24 feet is 15π radians per second. Find the approximate speed of the point on the circle.



2.5 ft/sec

3.9 ft/sec

565 ft/sec

1,131 ft/sec

anonymous · Answer

@damonte212

damonte212 · Answer

@jaceykilla  help me on this one

damonte212 · Answer

its not D

damonte212 · Answer

1.) angular speed = (24*pi)*(15 pi/2pi) ft/sec = 565 ft/sec approx. 

2.) angle is 45 degrees. cosine of 45 is √2/2. 

3.) 3600 seconds is 360 degrees, so 10 secs is 1 degree.




A clue

jaceykilla · Answer

what ^^

damonte212 · Answer

so its B @mudwagaman9  @jaceykilla