Advertisements
Advertisements
Question
How will you prove that Earth itself is spinning?
Advertisements
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 time period of a satellite orbiting Earth in a circular orbit is independent of
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?
Define weight
Derive an expression for escape speed.
Derive an expression for the energy of satellite.
In the following, what are the quantities which that are conserved?
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.
