Answer:
do u have a photo that comes w/ this? so i could help more :) ?
Explanation:
The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.
The people in the ship will see light travelling toward them at speed of light.
<u>Explanation:</u>
As the spaceship is moving away from the space station with one half speed of light. The light travelling from the space station with velocity c which is also termed as speed of light will be moving relative to the people in spaceship. So the relative velocities can be found as
In this case, u’ is the speed of light seen by the people in spaceship and u is the velocity of light while v is the velocity of moving spaceship.So u =c and v = . Then
Thus, the light travelling towards the people in the ship will view that light with the speed of light itself.
Answer:
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Explanation:
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Answer:
Galaxy > The solar system > The sun > The earth
Explanation:
A galaxy is usually defined as a large accumulation of interstellar dust and gas particles, and also includes many solar systems, the sun, the planets, and other rocky planets. The name of the galaxy comprising the earth and the sun is the Milky way galaxy. The milky way galaxy has a diameter ranging between 150,000 and 200,000 light-years.
The solar system is composed of the nine planets including the asteroid belt, that goes around the sun in different orbits. The size of the Solar System is about 287.46 billion km in terms of diameter.
The sun is located at the central portion of the solar system that is the main source of energy. Its size is roughly 695,510 km in terms of diameter.
The earth is the only planet where life exists and is the 3rd planet that is closer to the sun, having a diameter of approximately 12,742 km.