The escape Velocity from the earth is 11...

The escape Velocity from the earth is `11.2 Km/s^-1`. The escape Velocity from a planet having twice the radius and the same mean density as the earth, is :

`22.4 km s^-1`

`11.2 km s^-1`

`5.8 km s^-1`

`15 km s^-1`

Text Solution

Verified by Experts

Topper's Solved these Questions

Transfer of heat
MODERN PUBLICATION|Exercise Exercise|27 Videos
Unit test - Properties of bulk matter
MODERN PUBLICATION|Exercise Example|130 Videos

Similar Questions

Explore conceptually related problems

The escape speed of a projectile on the earth’s surface is 11.2 km s^-1 . A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.

What is the value of escape velocity on a planet whose mass is 4 times and radius is half of earth? For earth escape velocity = 11.2 km s^-1 ?

Does the escape speed of a body from the earth depend on:- the height of the location from where the body is launched?

Does the escape speed of a body from the earth depend on:- the location from where it is projected,

MODERN PUBLICATION-Unit Test - Gravitation-Example

The escape velocity for a body projected vertically upwards from the s...
Text Solution
|
The mass of moon is 1/81 of earth's mass and its radius 1/4 of that of...
Text Solution
|
The escape Velocity from the earth is 11.2 Km/s^-1. The escape Velocit...
Text Solution
|
There is no atmosphere on the moon, because
Text Solution
|
A missile is launched with a velocity less than the escape velocity. T...
Text Solution
|
A satellite S is moving in an elliptical orbit around the earth. The m...
Text Solution
|
A satellite of the earth is revolving in a circular orbit with a unifo...
Text Solution
|
Two satellites of masses m1 and m2 (m1 gt m2) are revolving around ear...
Text Solution
|
If v be the orbital velocity of a satellite in a circular orbit close ...
Text Solution
|
A satellite is in an orbit around the earth. If its kinetic energy is ...
Text Solution
|
An 80 kg person is parachuting and is experiencing a downward accelera...
Text Solution
|
Assertion The stars twinkle, while the planets do not. Reason: The st...
Text Solution
|
Assertion: A planet is a heavenly body revolving round the sun. Reaso...
Text Solution
|
Assertion: The comets do not obey Kepler's laws of planetary motion R...
Text Solution
|
Assertion: The square of the period of revolution of a planet is propo...
Text Solution
|
Assertion: If the radius of the earth's orbit around the sun were twic...
Text Solution
|
Assertion: The earth is slowing down and as a result the moon is comin...
Text Solution
|
Assertion: The length of the day is slowly increasing Reason: The dom...
Text Solution
|
Assertion: The mass of the earth in terms of g, Rand G is given by M=g...
Text Solution
|
The change in the value of g at a height h h lt lt R above the surface...
Text Solution
|