[填空题]
A cyclist is coasting at a steady szme rf:no e+mx,wzt+78+q ;pwpeed of 12m/s be5 pof-7bl9ijx ux* ;la1rp:xut enters a muddy stretch where the effective coefficient of friction is 0.60. Will the cyclist xpllu p5 1x9;-be*fri xo:j7aemerge from the muddy stretch without having to pedal if the mud lasts for 11 m? If so, what will be the speed upon emerging?
