Question

Супер срочно!!!! За час спортивного бега со скоростью 2,5 м/с подросток сжигает около 500 калорий. Как далеко надо убежать от кафе быстрого питания, после употребления молочного коктейля (240 000 калорий), чтобы эти калории израсходовать. И сколько времени на это необходимо? Ответ дайте в часах и километрах.

Answer 1

Ответ:

4320 км понадобится пробежать и 480 часов

Объяснение:

1) 240000:500=480 часов бега понадобится (если коктейль реально 240 000 и тут нет ошибки)

2) 2,5*60*60=9000 м/ч скорость бега

3) 9000:1000=9 км/ч скорость бега

4) 480*9=4320 км понадобится пробежать

Answer 2

Calculation of Distance and Time Required to Burn Calories

To calculate the distance and time required to burn the calories consumed from a milkshake at a fast-food restaurant, we need to consider the energy expenditure during running.

Given: - Speed of the teenager during running: 2.5 m/s - Calories burned per hour at this speed: 500 calories

To calculate the distance, we can use the formula:

Distance = Speed × Time

To calculate the time required, we can rearrange the formula:

Time = Distance / Speed

Let's calculate the distance and time required.

Using the given speed of 2.5 m/s and the calories burned per hour at this speed (500 calories), we can calculate the distance and time required.

First, let's convert the calories consumed from the milkshake (240,000 calories) to calories burned per hour:

Calories burned per hour = Calories consumed / Time

Given that the teenager burns 500 calories per hour, we can calculate the time required to burn the calories consumed from the milkshake:

Time = Calories consumed / Calories burned per hour

Let's calculate the time required:

Time = 240,000 calories / 500 calories per hour

Calculating the time:

Time = 480 hours

Now, let's calculate the distance required to burn these calories. We can use the formula:

Distance = Speed × Time

Substituting the values:

Distance = 2.5 m/s × 480 hours

To convert the time from hours to seconds, we multiply by 3600 (60 seconds × 60 minutes):

Distance = 2.5 m/s × 480 hours × 3600 seconds/hour

Calculating the distance:

Distance = 2.5 m/s × 480 hours × 3600 seconds/hour = 4,320,000 meters

Converting the distance from meters to kilometers:

Distance = 4,320,000 meters / 1000 = 4,320 kilometers

Therefore, to burn the calories consumed from the milkshake (240,000 calories), the teenager would need to run approximately 4,320 kilometers. This would take approximately 480 hours.

Please note that these calculations are approximate and may vary depending on individual factors such as metabolism and body composition.