Question

Собака в 400 метрах от себя увидела зайца и погналась за ним со скоростью 300 м/мин, а заяц стал убегать от нее со скоростью 200 м/мин. Собака гналась 1 минуту, затем остановилась передохнуть на полминуты и, снова бросившись в погоню, поймала зайца. Сколько минут после отдыха собака гнaлaсь за зайцем? ​

Answer 1

ошвлаллашввщ#+#+₽-_--₽₽-_-₽+₽(+₽₽!+₽+₽+₽

Answer 2

Ответ:

5сек

Пошаговое объяснение:

300:60=5сек

60=1мин

Answer 3

Problem Analysis

The problem involves a dog chasing a rabbit, with different speeds and rest intervals. We need to determine how many minutes the dog chased the rabbit after resting for half a minute.

Solution

To solve this problem, we can use the formula: distance = speed × time. We'll calculate the distance covered by the dog and the rabbit during different time intervals to find the answer.

1. Distance Covered by the Dog in 1st Minute: - Speed of the dog = 300 m/min - Time = 1 minute - Distance = 300 m/min × 1 min = 300 meters.

2. Distance Covered by the Rabbit in 1st Minute: - Speed of the rabbit = 200 m/min - Time = 1 minute - Distance = 200 m/min × 1 min = 200 meters.

3. Distance Covered by the Dog in Rest Time (0.5 minute): - The dog is resting, so it covers no distance.

4. Distance Covered by the Dog in 2nd Minute: - Speed of the dog = 300 m/min - Time = 0.5 minute - Distance = 300 m/min × 0.5 min = 150 meters.

5. Total Distance Covered by the Dog: - Total distance = Distance in 1st minute + Distance in 2nd minute = 300 meters + 150 meters = 450 meters.

6. Time Taken by the Dog to Catch the Rabbit: - Since the dog caught the rabbit after resting, the total time taken is 1 minute + 0.5 minute = 1.5 minutes.

Conclusion

After resting for half a minute, the dog chased the rabbit for 1.5 minutes before catching it.

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