Question

5. Два літаки однакової маси рухаються на висотах 2 000 та 4 000 м з однаковими швидкостями. У якого з літаків кінетична енергія бiльша?​

Answer 1

Ответ:Однакова

Объяснение:

Отже, у літаків однакова маса та швидкість тому їх кінетична енергія буде однаковою.

Answer 2

The Relationship Between Kinetic Energy and Height

To determine which airplane has a greater kinetic energy, we need to understand the relationship between kinetic energy and height. Kinetic energy is the energy possessed by an object due to its motion. It is given by the equation:

Kinetic Energy = 1/2 * mass * velocity^2

Where: - mass is the mass of the object - velocity is the velocity of the object

The height of an object does not directly affect its kinetic energy. However, the potential energy of an object at a certain height can be converted into kinetic energy as the object falls. This is known as the principle of conservation of energy.

Comparing the Two Airplanes

In this scenario, we have two airplanes of equal mass moving at the same velocity but at different heights. One airplane is at a height of 2,000 meters, while the other is at a height of 4,000 meters.

Since the airplanes have the same mass and velocity, their kinetic energies will be the same. The difference in height does not affect their kinetic energy directly. However, the airplane at a higher height has more potential energy due to its greater distance from the ground.

When the airplane at a higher height starts to descend, its potential energy will be converted into kinetic energy. As it falls, its kinetic energy will increase, but this does not mean that its initial kinetic energy was greater than the other airplane.

Therefore, the kinetic energy of both airplanes is the same. The difference in potential energy due to their different heights does not affect their initial kinetic energy.

Conclusion

In summary, the two airplanes have the same kinetic energy because they have the same mass and velocity. The difference in height between the airplanes does not directly affect their kinetic energy. However, the airplane at a higher height has more potential energy, which can be converted into kinetic energy as it falls.