Potential energy of a 3kg body at the su...

Potential energy of a 3kg body at the surface of a planet is `-54 J`, then escape velocity will be :

`18ms^(-1)`

`162 ms^(-1)`

`36ms^(-1)`

`6ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEET MOCK TEST 20
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NEET MOCK TEST 3
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The magnitude of potential energy per unit mass of the object at the surface of earth is E . Then escape velocity of the object is

The mass and diameter of a planet are half of thast of the earth. The ratio of gravitational potential energy of a body on the surface of the planet to that on the surface of the earth is

What is the gravitational potential energy (MJ) of a body of mass 3 kg on a planet where escape velocity is 4 km s^(-1) ?

If the gravitational potential energy of a body on a planet is numerically equal to . U and the escape velocity of the same body is V_(e') then

The escape velocity of a body from the surface of the earth is V_e and the escape velocity of the body from a satellite orbiting at a height 'h' above the surface of the earth is v_e ' then

The escape velocity of a body on the surface of the earth is V_(e) . What is the escape velocity on a planet whose radius is thrice the radius of the earth and whose mass is double the mass of the earth?

The escape velocity of a body from the surface of earth is

Define escape velocity obtain an expression for escape velocity of a body from the surface of earth? Does the escape velocity depend on The height of the location from where the body is launched.

Define escape velocity obtain an expression for escape velocity of a body from the surface of earth? Does the escape velocity depend on Location from where it is projected.

NTA MOCK TESTS-NEET MOCK TEST 21-PHYSICS

A ring consisting of two parts ADB and ACB of same conductivity k carr...
Text Solution
|
The period of oscillation of a simple pendulum of length (L) suspended...
Text Solution
|
Potential energy of a 3kg body at the surface of a planet is -54 J, th...
Text Solution
|
A projectile is fired vertically upwards from the surface of the earth...
Text Solution
|
A uniform bar of length 6a and mass 8 m lies on a smooth horizontal ta...
Text Solution
|
When induced emf in inductor coil is 50% of its maximum value then sto...
Text Solution
|
The magnetic flux through a coil varies with time as phi=5t-6t+9. The...
Text Solution
|
Specific resistance of a wire depends on its
Text Solution
|
What is the ratio of the electrostatic potential at the corner and the...
Text Solution
|
The work done by all the forces (external and internal) on a system eq...
Text Solution
|
The potential energy of a body mass m is U=ax+by the magnitude of acce...
Text Solution
|
A ball of mass 1 kg moving with a velocity of "0.4 ms"^(-1) collides w...
Text Solution
|
An inteference is observed due to two coherent sources A and B separat...
Text Solution
|
A convex lens A of focal length 20cm and a concave lens G of focal le...
Text Solution
|
A variable force F acts along the x - axis given by F=(3x^2)-2x+1N. Th...
Text Solution
|
Two blocks of masses m and 2 m are placed one over the other as shown ...
Text Solution
|
According to Bohr's theory, the time averaged magnetic field at the ce...
Text Solution
|
The half - life of a radioactive substance is 50 days. The substance w...
Text Solution
|
Which of the following curves is correct?
Text Solution
|
A simple telescope, consisting of an objective of focal length 60 cm a...
Text Solution
|