Advertisements
Advertisements
Question
How will you prove that Earth itself is spinning?
Solution
The Earth’s spinning motion can be proved by observing the star’s position over a night. Due to Earth’s spinning motion, the stars in the sky appear to move m circular motion about the pole star.
APPEARS IN
RELATED QUESTIONS
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA, KB and KC respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then
The kinetic energy of the satellite orbiting around the Earth is __________.
Why is the energy of a satellite (or any other planet) negative?
What are geostationary and polar satellites?
Derive an expression for escape speed.
Derive the time period of the satellite orbiting the Earth.
Derive an expression for the energy of satellite.
Explain in detail the geostationary and polar satellites.
If the Earth has no tilt, what happens to the seasons of the Earth?
An unknown planet orbits the Sun with a distance twice the semi-major axis distance of the Earth’s orbit. If the Earth’s time period is T1, what is the time period of this unknown planet?