Advertisements
Advertisements
Question
A planet moving along an elliptical orbit is closest to the Sun at distance r1 and farthest away at a distance of r2. If v1 and v2 are linear speeds at these points respectively. Then the ratio `"v"_1/"v"_2` is
Options
`"r"_2/"r"_1`
`("r"_2/"r"_1)^2`
`"r"_1/"r"_2`
`("r"_1/"r"_2)^2`
Advertisements
Solution
`"r"_2/"r"_1`
APPEARS IN
RELATED QUESTIONS
If the masses of the Earth and Sun suddenly double, the gravitational force between them will ___________.
If the mass and radius of the Earth are both doubled, then the acceleration due to gravity g'
The magnitude of the Sun’s gravitational field as experienced by Earth is
An object of mass 10 kg is hanging on a spring scale which is attached to the roof of a lift. If the lift is in free fall, the reading in the spring scale is ___________.
Define the gravitational field.
Write unit of the gravitational field.
Define gravitational potential energy.
Is potential energy the property of a single object? Justify.
If the Earth’s pull on the Moon suddenly disappears, what will happen to the Moon?
If the ratio of the orbital distance of two planets `"d"_1/"d"_2` = 2, what is the ratio of gravitational field experienced by these two planets?
