The restaurant in the Space Needle in Seattle rotates at the rate of one revolution per hour.

(a) Through how many radians does it turn in 100 minutes?
(b) How long does it take the restaurant to rotate through 4 radians?
(c) How far does a person sitting by the window move in 100 minutes if the radius of the restaurant is 21 meters?

2 answers

actually, i managed to figure it out! i no longer need help :)
(a) 2π * 100/60 = ____
(b) 4rad * 1hr/2πrad = 2/π hr
(c) s = rθ = 21 * (a)