Question

Ледокол массой 6000т идущий с выключенным двигателем со скоростью 8м/с ,наталкивается на неподвижную льдину и двигает ее впереди себя ,Скорость ледокола уменьшилась при этом до 3 м/с ,Определить массу льдины?

Answer 1

M1*V1=(m1 m2)*V2 — закон сохранения импульса при неупругом ударе.
Выводим m2:
m2=((m1*V1)/V2) -m1=((6000000кг*8м/с)/3м/с)-6000000кг=10000000кг
Ответ: 10 000 тонн.

Answer 2

Calculation of the Mass of the Iceberg

To determine the mass of the iceberg, we can use the principle of conservation of momentum. According to this principle, the total momentum before the collision is equal to the total momentum after the collision.

The momentum of an object is given by the product of its mass and velocity. Therefore, we can write the equation:

Initial momentum of the icebreaker = Final momentum of the icebreaker + Final momentum of the iceberg

The initial momentum of the icebreaker is given by the product of its mass (6000 tons) and velocity (8 m/s). The final momentum of the icebreaker is given by the product of its mass (6000 tons) and final velocity (3 m/s). Let's denote the mass of the iceberg as 'm'.

Using the equation above, we can solve for the mass of the iceberg:

6000 tons * 8 m/s = 6000 tons * 3 m/s + m * 3 m/s

Simplifying the equation:

48000 tons m/s = 18000 tons m/s + 3 m/s * m

Subtracting 18000 tons m/s from both sides:

30000 tons m/s = 3 m/s * m

Dividing both sides by 3 m/s:

10000 tons = m

Therefore, the mass of the iceberg is 10000 tons.

Please note that the search results provided by You.com did not directly answer the question. However, the calculation is based on the principle of conservation of momentum, which is a fundamental concept in physics.