A
B
C
D
Text Solution
Verified by Experts
MODERN PUBLICATION-Unit Test - Gravitation-Example
- If the gravitational force between two objects were proportional to 1/...
Text Solution
|
- Calculate the average density of the earth terms of g, G and R.
Text Solution
|
- The acceleration due to gravity g and mean density of the earth p are ...
Text Solution
|
- Imagine a new planet having the same density as that of earth, but is ...
Text Solution
|
- The acceleration due to gravity on the planet A is 9 times the acclera...
Text Solution
|
- A body weighs 72 N on the surface of the earth. What is the gravitatio...
Text Solution
|
- The radius of earth is about 6400Km and that of mars is about 3200 km ...
Text Solution
|
- A ball is dropped from a high rise platform at t=0 starting from rest....
Text Solution
|
- A body of mass m is placed on earth surface, which is taken from earth...
Text Solution
|
- The potential energy between two atoms in a molecule is given by U(x)=...
Text Solution
|
- A particle of mass M is situated at the centre of a spherical shell of...
Text Solution
|
- The escape velocity of a particle of mass m varies directly as
Text Solution
|
- The escape velocity for a body projected vertically upwards from the s...
Text Solution
|
- The escape velocity of a body on the surface of the earth is 11.2kms^-...
Text Solution
|
- The escape velocity on the surface of earth is 11.2 km s^-1 . What wou...
Text Solution
|
- With what velocity should an object be projected from the surface of t...
Text Solution
|
- the earth is assumed to be a sphere of radius R. A platform is arrange...
Text Solution
|
- The radii of circular orbits of two satellites A and B of the earth ar...
Text Solution
|
- A satellite A of mass m is at a distance r from the centre of the eart...
Text Solution
|
- The mean radius of earth is R, its angular speed about its own axis is...
Text Solution
|