[单选题]
A wheel starts from rest and reaches an angular speed of 4 j4,(wn uox fwr adh,qh, i5u c1(obk7nwsc.66.0 -i,de8s ;. k w/sjoxzrc.cer/rad/s while turning through 2.0 revolutions. What is the avera,.; sz-wxeokre8j/rdc / ic.sge angular acceleration of the wheel?
A. $0.24 \; rad/s^2$
B. $1.4 \; rad/s^2$
C. $3.0 \; rad/s^2$
D. $9.0 \; rad/s^2$
Post time 2024-1-22 02:51:16