# pre-calculus

posted by Keira

A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)?

B.) A Ferris wheel has a radius of 39 feet and travels 5.6 feet every second. What is the speed of the Ferris wheel (in radians per second)?

C.) A Ferris wheel has a radius of 31 feet and travels 0.9 radians every 3 seconds. What is the speed of the Ferris wheel (in radians per second)?

1. Henry

B. Circumference = pi*2r = 3.14 * 78 = 245.0 feet.

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