[填空题]
Two locomotives approach each kd77:pc llcmbylt+u sfc* 8i 9mi* :;gother on parallel tracks. Each has a sf b jli2)niyz9.9z3)fcq 7 yjjpeed of 95 km/h with respect to the ground. If they are initially 8.5 km af2nyz)z b9i)y 3 lj9 if.qjcj7part, how long will it be before they reach each other? (See Fig. 2–30). min
