Question

Один автомобиль, двигаясь равномерно со скоростью 12м/с в течение 10 с совершил такое же перемещение что и другой, за 15 с. Какова скорость второго автомобиля?

Answer 1

Перемещения равны
S=v1t1
S=v2t2
v1t1=v2t2
v2=v1t1/t2 =12*10/15=8  м/с

Answer 2

Calculation of the Second Car's Speed

To calculate the speed of the second car, we can use the formula:

Speed = Distance / Time

We are given that the first car traveled the same distance as the second car in 10 seconds, and the first car's speed was 12 m/s. We need to find the speed of the second car.

Let's assume the distance traveled by both cars is d.

The first car's speed is given as 12 m/s, and it traveled for 10 seconds. Therefore, the distance traveled by the first car is:

Distance of the first car = Speed of the first car * Time = 12 m/s * 10 s = 120 meters.

The second car traveled the same distance, d, in 15 seconds. Therefore, the speed of the second car can be calculated as:

Speed of the second car = Distance of the second car / Time = d / 15 s.

Since both cars traveled the same distance, we can equate the distances:

Distance of the first car = Distance of the second car.

Substituting the values, we have:

120 meters = d.

Now we can calculate the speed of the second car:

Speed of the second car = 120 meters / 15 s = 8 meters per second.

Therefore, the speed of the second car is 8 m/s.