Advertisements
Advertisements
Question
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be ___________.
Options
64.5
1032
182.5
730
Solution
If the distance between the Earth and Sun were to be doubled from its present value, the number of days in a year would be 1032.
APPEARS IN
RELATED QUESTIONS
The work done by the Sun’s gravitational force on the Earth is __________.
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
Write unit of the gravitational field.
Define gravitational potential energy.
Define gravitational potential.
Derive the expression for gravitational potential energy.
Prove that at points near the surface of the Earth, the gravitational potential energy of the object is U = mgh.
The work done by Sun on Earth at any finite interval of time is
If a comet suddenly hits the Moon and imparts energy which is more than the total energy of the Moon, what will happen?
Earth revolves around the Sun at 30 km s−1. Calculate the kinetic energy of the Earth. In the previous example, you calculated the potential energy of the Earth. What is the total energy of the Earth in that case? Is the total energy positive? Give reasons.
