Question

Путь по дороге между деревнями Крюково и Которово равен s = 9 км. Велосипедист проехал этот путь за время t = 30 мин. Чему равна скорость велосипедиста? Запишите ответ в метрах в секунду.​

Answer 1

Ответ:

9 км=9000м

30м=1800сек

9000/1800=5 м/с

Answer 2

V=S:t
30=0.3ч
9:0.3= 30км/ч

Answer 3

Calculation of the Bicyclist's Speed

To calculate the speed of the bicyclist, we need to use the formula:

Speed = Distance / Time

Given that the distance (s) is 9 km and the time (t) is 30 minutes, we can substitute these values into the formula to find the speed.

Speed = 9 km / 30 min

To convert the time from minutes to hours, we divide by 60:

Speed = 9 km / (30 min / 60 min/hour)

Simplifying the expression:

Speed = 9 km / 0.5 hour

Now, let's calculate the speed:

Speed = 18 km/h

However, the question asks for the answer in meters per second. To convert kilometers per hour to meters per second, we need to multiply by a conversion factor.

1 kilometer = 1000 meters 1 hour = 3600 seconds

Speed = 18 km/h * (1000 m/km) / (3600 s/h)

Simplifying the expression:

Speed = 5 m/s

Therefore, the speed of the bicyclist is 5 meters per second.