f=μmg-->氏型敏am=μg=1m/s^2 aM=μg/租液3=1/3 m/s^2假设小物块不滑下当它们速度相等时,t=10/(1+1/3)=7.5s 此歼枝时物块与木板相对滑动:S木-S物=vt-1/2aMt^2-a/2amt^2=37.5>>1.6所以小物块必滑下设过t滑下,则v0t-1/2(am+aM)t^2=1.6 -->10t-2/3t^2=1.65t^2-75t+12=0 -->t=0.1617sv=at=0.161744m/s