Physics help please!!!?

Science & Mathematics by Anonymous 2018-06-13 15:33:37

Social Science

1 answer

A bus slows down from 8.22 m/s to a stop in 13.3 s. Its wheels have a radius of .530 m. Find the angular displacement of the wheels.

Anonymous

Easiest/quickest using average values: Slowing from8.22m/s to 0m/s means the average speed is: v_avg = (8.22+0)/2 = 4.11m/s ω_avg = v_avg/r = 4.11/0.532 = 7.726 rad/s θ = ω_avg x t = 7.726 x 13.3 = 103 rad