Question

от двух пристаней,расстояние между которыми 350 км,в 11 ч отправились навстречу друг другу два теплохода. средняя скорость первого-32км/ч средняя скорость второго 38км/ч.в какое время теплоходы встретятся

Answer 1

1) 32+38=70км-общая U сближения 

 

2) 350-70=280км 

 

3) 280-11=169ч 

 

ответ 169 часiв

Answer 2

1).38+32=70(км)-проехали вместе поезда за 1 час.
2).350:70=5(ч)- они  плыли всего.
3).11+5=16(ч)

Answer 3

Problem Analysis

We have two steamboats that are traveling towards each other from two different ports. The distance between the ports is 350 km. The first steamboat has an average speed of 32 km/h, while the second steamboat has an average speed of 38 km/h. We need to calculate the time it will take for the steamboats to meet.

Calculation

To calculate the time it will take for the steamboats to meet, we can use the formula:

Time = Distance / Speed

Let's calculate the time it will take for each steamboat to reach the meeting point.

For the first steamboat: - Distance = 350 km - Speed = 32 km/h

Time for the first steamboat = 350 km / 32 km/h

For the second steamboat: - Distance = 350 km - Speed = 38 km/h

Time for the second steamboat = 350 km / 38 km/h

Solution

Now, let's calculate the time it will take for the steamboats to meet.

Time for the first steamboat = 350 km / 32 km/h = 10.9375 hours

Time for the second steamboat = 350 km / 38 km/h = 9.2105 hours

Since both steamboats started at the same time, the time it will take for them to meet is the maximum of the two times.

Time for the steamboats to meet = max(10.9375 hours, 9.2105 hours) = 10.9375 hours

Therefore, the steamboats will meet in approximately 10.9375 hours.

Answer

The steamboats will meet in approximately 10.9375 hours.