Question

what is the expression for kinetic energy of a satellite moving in a circular orbit having velocity v around the earth?​

Answer 1

Answer:

Satellites are launched from the earth's surface in order to orbit it.

Explanation:

• Many rockets are launched from the satellite at precisely the right time to place it in the intended orbit. The satellite will continue to move in an orbit under the gravitational attraction of the earth once it has been placed in the proper orbit at the correct speed.
• As a result, the energy required for a satellite to circle the planet is referred to as orbital energy.
• Because it spins around the planet, it has kinetic energy and is surrounded by a gravitational field, it has potential energy.
• Let's use the earth as an example of a planet.
• We can see the satellite orbiting around it from the top of the earth.
• To calculate the kinetic energy of a satellite, we would treat everything as a function.
• The radius of the earth is denoted by the letter 'r.'
• As a result, r equals the distance between the earth's centre and any point on its surface.
• Similarly, r represents the distance between the planet's core and any point on its orbit.
• We're looking at the top view of the planet and the front view of the satellite in this case.
• This T.E. is negative, indicating that the satellite cannot depart or just fly away into space and never return.
• It is tethered to the earth in the same way as the earth is tethered to the sun. We're in a tethered orbit.
• A bound orbit exists whenever the total energy is negative.
• It is not necessary that the two particles have the same mass; charged particles such as the proton and electron might be involved. Because the electron orbiting the proton possesses negative energy, it is tethered to the proton.
• We wouldn't have atoms if the electrons weren't bonded.
• Similarly, if a satellite were to fall out of the sky, we would lose GPS, the location of the next Starbucks, and so on.