Question

Машина шла до остановки 5 часов со скоростью 72км/ч.После этого ей осталось проехать вдвое меньший путь,на который она потратила 3 часа. С какой скоростью ехала машина после остановки?

Answer 1

72×5=360(км)- проехала сначала
360:2=180(км)- осталось проехать
180:3=60(км/ч)- скорость после остановки

Answer 2

Calculation of the Speed of the Car After Stopping

To determine the speed of the car after it stopped, we can use the information provided. Let's break down the problem step by step:

1. The car traveled for 5 hours at a speed of 72 km/h before stopping. 2. After stopping, the car had to travel a distance that was half the distance it had already traveled. 3. The car took 3 hours to cover this remaining distance.

To find the speed of the car after stopping, we can use the formula:

Speed = Distance / Time

Let's calculate the distance traveled before stopping:

Distance before stopping = Speed * Time = 72 km/h * 5 hours = 360 km

Now, let's calculate the remaining distance:

Remaining distance = Distance before stopping / 2 = 360 km / 2 = 180 km

Finally, we can calculate the speed of the car after stopping:

Speed after stopping = Remaining distance / Time = 180 km / 3 hours = 60 km/h

Therefore, the car was traveling at a speed of 60 km/h after stopping.