[单选题]
A wheel of diameter lc0k wo (e( bb/2f fu+dry4vt5of 68.0 mfzppl32t** a uh7d*gcm slows down uniformly from 8.40 m/s to rest over a distance of 115 m. How long ddzl3 *f g7t2 aphum**poes it take for the wheel to come to the stop?
A. $24.7 \; s$
B. $27.4 \; s$
C. $42.7 \; s$
D. $47.2 \; s$
Post time 2024-1-22 02:51:16