Home
Class 11
PHYSICS
If a body is projected from the surface ...

If a body is projected from the surface of the earth. Find the value of escape velocity.

A

`7.98 kms^(-1)`

B

`8.92kms^(-1)`

C

`10.48 kms^(-1)`

D

`11.2 kms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion : If a particle is projected from the surface of earth with velocity equal to escape velocity, then total mechanical energy is zero Reason : Total mechanical energy of any closed system is always negative.

A particle is projected from the surface of earth with velocity equal to its escape velocity , at 45^(@) with horizontal . What is the angle of its velocity with horizontal at height h = R . (Here horizontal at some point means a line parallel to tangent on earth just below that point . )

if velocity given to an object from the surface of the earth is n times the escapes velocity then what will be the residual velocity at inifinity.

A body is projected vertically upwards from the surface of the earth with a velocity equal to half of escape velocity of the earth. If R is radius of the earth, maximum height attained by the body from the surface of the earth is

A body is projected vertically upward from the surface of the earth, then the velocity-time graph is:-

The value of escape speed from the surface of earth is

A body projected from the surface of the earth attains a height equal to the radius of the earth. The velocity with which the body was projected is

If upsilon_(e) is the escape velocity for earth when a projectile is fired from the surface of earth. Then, the escape velocity if the same projectile is fired from its centre is

A particle is given a velocity (v_(e ))/(sqrt(3)) in a vertically upward direction from the surface of the earth, where v_(e ) is the escape velocity from the surface of the earth. Let the radius of the earth be R. The height of the particle above the surface of the earth at the instant it comes to rest is :

An objects is projected vertically upwards from the surface of the earth with a velocity 3 times the escape velocity v_(e ) from earth's surface. What will be its final velocity after escape from the earth's gravitational pull ?