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QUESTION
Three vehicles on a 1 Km segment of a road travel at constant speeds of 120 Km/hr, 60 Km/hr and 40 Km/hr respectively. If it takes them 0.5 minutes,...
Three vehicles on a 1 Km segment of a road travel at constant speeds of 120 Km/hr, 60 Km/hr and 40 Km/hr respectively. If it takes them 0.5 minutes, 1.0 minutes and 1.5 minutes to complete the journeys, calculate their time and space mean speeds
