trig
posted by ozzy .
ferris wheel one has a 40ft diameter, revolves once every 30 seconds and is 5ft above ground. Ferris wheel two has a diameter of 20feet, revolves once every 15seconds and is 2 feet above the ground.
each angular velocity??
each linear velocity??

trig 
Reiny
angular velocity:
1st wheel : 2π rad/30 sec
= π/15 rad/sec
2nd wheel : 2π radians/15 sec
= 2π/15 rad/sec
linear velocity
1st wheel:
circumference = 2π(20) = 40π ft
linear velocity = 40π/30 ft/sec
= 4π/3 ft/se
2nd wheel:
circumf = 20π
linear vel. = 20π/15 ft/sec = 4π/3 ft/sec
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