Advertisements
Advertisements
प्रश्न
How will you prove that Earth itself is spinning?
Advertisements
उत्तर
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
संबंधित प्रश्न
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
What is meant by escape speed in the case of the Earth?
Why is the energy of a satellite (or any other planet) negative?
What are geostationary and polar satellites?
Explain in detail the idea of weightlessness using the lift as an example.
Derive an expression for escape speed.
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?
Four particles, each of mass M and equidistant from each other, move along a circle of radius R under the action of their mutual gravitational attraction. Calculate the speed of each particle.
