Question

Электропоезд отправился из города в 9 ч 15 мин и прибыл на конечную станцию в 10 ч 12 мин.По пути он делал остановку на каждой из 12 промежуточных станций в среднем на 35 с.Сколько времени электропоезд находился в движении от города до конечной станции ?С какой средней скоростью он двигался ,если известно что расстояние от города до конечной станции 48 км?(Вырази расстояние в метрах ,а время в минутах.)

Answer 1

10ч12мин -9ч 15мин=57мин все затраченное время
12*35=420с=7мин время на остановки
57-7=50мин время движения
48км=48000м
48000:50=960м/мин скорость

Answer 2

Calculating the Total Travel Time

The total travel time of the electric train from the city to the terminal station can be calculated by adding the time spent at the intermediate stations to the actual travel time.

The electric train departed from the city at 9:15 and arrived at the terminal station at 10:12. It made stops at each of the 12 intermediate stations, with an average stop time of 35 seconds at each station.

The total time spent in motion can be calculated as follows: - Time of departure: 9:15 - Time of arrival: 10:12 - Number of intermediate stations: 12 - Average stop time at each station: 35 seconds

The total time in motion can be calculated using the given information.

The electric train was in motion for approximately 57 minutes and 45 seconds.

Calculating the Average Speed

To calculate the average speed of the electric train, we can use the formula: \[ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \]

Given that the distance from the city to the terminal station is 48 km, and the total time in motion is approximately 57 minutes and 45 seconds, we can calculate the average speed.

Converting the distance to meters and the time to minutes: - Distance: 48 km = 48,000 meters - Time: 57 minutes and 45 seconds = 57.75 minutes

Using the formula: \[ \text{Average Speed} = \frac{48,000}{57.75} \]

The average speed of the electric train was approximately 830.43 meters per minute.

Therefore, the electric train traveled at an average speed of approximately 830.43 meters per minute from the city to the terminal station.

I hope this helps! If you have further questions or need additional assistance, feel free to ask.