A satellite is in a low, circular orbit around Earth. A small, impulsive retro-rocket burn is executed, reducing the satellite's speed by a small amount . Which of the following best describes the resulting orbit immediately after the burn?
A smaller, circular orbit.
A larger, circular orbit.
An elliptical orbit with the apogee at the burn point and the perigee diametrically opposite.
An elliptical orbit with the perigee at the burn point and the apogee diametrically opposite.
Related Questions
Statement-1: A planet is moving around the sun in an elliptical orbit. Then from aphelion point to perihelion point the speed of the planet continuously increases.Statement-2: According to Kepler's second law, the areal velocity of the line joining planet to the sun is constant.
Statement-1 is true, Statement-2 is true
Statement-1 is true, Statement-2 is false
Statement-1 is false, Statement-2 is true
Statement-1 is false, Statement-2 is false
(A): The angular velocity of a planets orbiting around the sun increases when they are nearest to the sun. (R): The angular momentum of body is proportional to angular velocity.
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false
The planet Venus orbits the Sun with a mean orbital radius of . The mass of the Sun is . Using Newton's version of Kepler's third law, calculate the orbital period of Venus.
sugar have maximum mass
At poles
At equator
In India
Mass will be same everywhere
One planet is orbiting around the sun, At a point it is at minimum distance from the sun and at that time speed is . If at a another point it is at maximum distance from the sun then at this point the speed of planet will be
A satellite orbits just above Earth's surface with period . If Earth's density is and is the gravitational constant, what does represent?
The planet Saturn revolves around the sun with a time period of 27 years. The ratio of orbital radii of Saturn to that of earth is (orbital radius of earth )
The planet Neptune travels around the sun with a period of 165 years. Show that the radius of its orbit is approximately 30 times that of earth's orbit, both being considered as circular.
Assertion: Gravitational force between two masses in air is If they are immersed in water, force will remain Reason: Gravitational force does not depend on the medium between the masses.
If both Assertion and Reason are correct and Reason is the correct explanation of Assertion
If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
If Assertion is correct but Reason is correct
If Assertion is incorrect but Reason is correct