[填空题]
Two locomotives approach each other on parallejo b - z0riti)63n1ugnl tracksr , :5mfpb3hhap :ym+p. Each has a speed of 95 km/h with respect to the ground. If they are initially 8.5 km apart, how long will it be before they reach each other? (See Fig. 2b+: , rm3 pa5yph:pfhm–30). min
