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A bus and a freight car leave from ab at the same time and meet each other after 8 hours A passenger car and a freight car leave from ab at the same time. After 6 hours of meeting, both cars continue to move at the same speed. After 4 hours, the passenger car arrives at B. at this time, the freight car is 188 kilometers away from A. how many kilometers is the distance between a and B
188÷{1-【1/6-1/（6+4）】×（6+4）}
=188÷{1-1/15×10}
=188÷1/3
=564 km
A passenger car and a freight car leave from AB and meet each other five hours later. After meeting, the two cars continue to drive forward for three hours respectively. At this time, the passenger car-
——The car is 180km away from ground B, and the truck is 210km away from ground a km.AB How many kilometers is the distance between the two places
（180+210）÷（1-1/5×3）
=390÷2/5
=975km
It takes 12 hours for the bus and 15 hours for the truck to complete the whole journey. Two hours later, there is a distance of 672 km. What are the speeds of the bus and the truck?
The ghost is bound up with the devil,
The distance between a and B: 672 ÷ (1-2 × 1 / 12-2 × 1 / 15) = 960 (km)
The speed of the bus is: 960 △ 12 = 80 (km)
The speed of the truck is: 960 △ 15 = 64 (km)
RELATED INFORMATIONS
- 1. It takes 8 hours for the passenger car to complete the whole journey, and 12 hours for the freight car to complete the whole journey. When the two cars meet, they are separated from each other in the whole journey At 1:20 a.m., the bus was 260 meters long. How many kilometers are there between a and B?
- 2. It takes 6 hours for a bus to travel and 8 hours for a truck to complete the whole journey. When the two cars meet, it's just the distance between a and B Please write down the reason for the last step in detail. It's best to solve it in a few minutes
- 3. After the meeting, the two cars were still moving at the same speed. When they were 196 kilometers apart, the bus stopped running 3-5, 80% of the freight cars in the whole process How many hours does the complete journey take
- 4. In response to the school's "energy conservation and environmental protection" initiative, Xiao Lin changed to go to school by bike instead of by bus. The distance between Xiao Lin's home and school is 3km, and he can get to school by bike in 10min? (2) If the average resistance of the bicycle is 80N, how much work has he done to overcome the resistance during this period of riding?
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- 8. From place a to place B, it takes 3.6 hours for someone to walk more than by bus. It is known that the walking speed is 8 kilometers per hour, and the bus speed is 40 kilometers per hour. How many kilometers are there between place a and place B?
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