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# A bus slows down from 8.22 m/s to a stop in 13.3s. Its wheels have a radius of 0.530m. Find the angular acceleration of the wheels.?

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- JimLv 71 month ago
It travels 13.3s (8.22m/s) = 109.326m

Rev is Distance/circumphrence

109.326m/(2πr)= 109.326/(2π0.530)

= 32.82976 revs

v=at

a = v/t = (32.82976 revs/13.3s) /13.3s

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