[单选题]
A 1.53-kg mass hangs0-w8m qzs7 axl on a rope k9-ub:;mtt++hys6zfib )tf x wrapped around a frictionless disk pulley of mass 7.07 kg and radius zb) ; tit-+tu:k96 yxsfh mf+b66.0 cm. What is the acceleration of the mass?
A. $9.26 \; m/s^2$
B. $2.96 \; m/s^2$
C. $6.29 \; m/s^2$
D. zero
Post time 2024-1-22 02:51:16