Question

Двигаясь равномерно прямолинейно тело за 10 с прошло 200 см. За сколько часов это тело двигаясь с той же скоростью и в то же направление пройдет путь 36 км.

Answer 1

Двигаясь равномерно прямолинейно тело за 10 с прошло 200 см. Скорость V=2/10=0,2 м/с
36 км=36000 м t=36000/0,2=180000с=180000/3600=1800/36=50 ч

Answer 2

Problem Analysis

We are given that a body moves uniformly and rectilinearly and covers a distance of 200 cm in 10 seconds. We need to find the time it will take for the body to cover a distance of 36 km at the same speed and in the same direction.

Solution

To solve this problem, we can use the formula for speed:

Speed (v) = Distance (s) / Time (t)

We are given the distance covered (200 cm) and the time taken (10 seconds) for the first scenario. We can use this information to calculate the speed of the body.

Let's calculate the speed:

Speed (v) = 200 cm / 10 s = 20 cm/s Now, we need to find the time it will take for the body to cover a distance of 36 km (36,000 m) at the same speed. We can rearrange the formula for speed to solve for time:

Time (t) = Distance (s) / Speed (v)

Let's substitute the values into the formula:

Time (t) = 36,000 m / 20 cm/s

To perform the calculation, we need to convert the distance from centimeters to meters:

36,000 m = 36,000,000 cm

Now, let's calculate the time:

Time (t) = 36,000,000 cm / 20 cm/s = 1,800,000 s

However, the answer is requested in hours. To convert seconds to hours, we divide the time by 3600 (the number of seconds in an hour):

Time (t) = 1,800,000 s / 3600 s/h = 500 hours

Therefore, it will take the body 500 hours to cover a distance of 36 km at the same speed and in the same direction.

Answer

The body, moving uniformly and rectilinearly, will take 500 hours to cover a distance of 36 km at the same speed and in the same direction.

References

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