[单选题]
A 1.53-kg mass hangs on c( yogsq,n)nl ;9z 6tia rope wrappejjto40f n+n7ou,jj- )pn wz:dd around a frictionless disk pulley of mass 7.07 kg and radius 66.0 cm. ,oo4pzf 7unjj j)n:n+0t-wj d 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