Question

Авто калона длиной 300 метро равномерно движение по мосту со скоростью 18 км час за какое время колона пройдёт мост если его длинна 400 метров ПЖ ПОМОЩЬ!!!!!!!!!!!!!!!!​

Answer 1

Ответ:

Объяснение:

(300+400): (18*1000/3600) = 140с=2мин  20 сек

Answer 2

Calculation of Time Taken for the Column to Cross the Bridge

To calculate the time taken for the column to cross the bridge, we need to determine the distance the column needs to cover and divide it by the speed at which it is moving.

Given: - Length of the column: 300 meters - Speed of the column: 18 km/h - Length of the bridge: 400 meters

To find the time taken, we can use the formula:

Time = Distance / Speed

Let's calculate the time taken for the column to cross the bridge.

Step 1: Convert the speed from km/h to m/s.

1 km/h = 1000 m / 3600 s = 5/18 m/s

Step 2: Calculate the time taken.

Distance = Length of the column + Length of the bridge = 300 meters + 400 meters = 700 meters

Speed = 18 km/h * (5/18 m/s) = 5 m/s

Time = Distance / Speed = 700 meters / 5 m/s = 140 seconds

Therefore, the column will take 140 seconds to cross the bridge.

Please note that the above calculation assumes that the column maintains a constant speed and there are no other factors affecting its movement.

I hope this helps! Let me know if you have any further questions.