Chapter 10 – Gravitation
The mass of the earth is 6 x 10^24 kg. The potential energy of a body of mass 50 kg at a distance of 6.3 x 10^9 m from the centre of the earth is
22
Sep
The mass of the earth is 6 x 10^24 kg. The potential energy of a body of mass 50 kg at a distance of 6.3 x 10^9 m from the centre of the earth is The mass of the earth is 6 x 10^24 kg. The potential energy of a body of mass 50 kg [...]
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g’ then
22
Sep
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g’ then Mass remaining constant the radius of the [...]
How high can a man be able to jump on a surface of a planet of radius 320 km, but having density same as that of the earth, if he jumps 5 metre on the surface of the earth (radius of the earth= 6400 km).
22
Sep
How high can a man be able to jump on a surface of a planet of radius 320 km, but having density same as that of the earth, if he jumps 5 metre on the surface of the earth (radius of the earth= 6400 km). but having density same as that of the earth How [...]
Mass remaining constant, the radius of the earth shrinks by 1%. The acceleration due to gravity on the earth’s surface would
22
Sep
Mass remaining constant, the radius of the earth shrinks by 1%. The acceleration due to gravity on the earth’s surface would Mass remaining constant the radius of the earth shrinks by 1%. The acceleration due to gravity on the earth's surface would September 22, 2020 Category: Chapter 10 - Gravitation , MTG NEET Physics , [...]
The ratio of radii of earth to another planet is 2/3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a maximum height of 1.5m on the earth, with the same effort, the maximum height he can jump on the planet is
22
Sep
The ratio of radii of earth to another planet is 2/3 and the ratio of their mean densities is 4/5. If an astronaut can jump to a maximum height of 1.5m on the earth, with the same effort, the maximum height he can jump on the planet is the maximum height he can jump on [...]
Taking the radius of the earth to be 6400 km, by what percentage will the acceleration due to gravity at a height of 100 km from the surface of the earth differ from that on the surface of the earth ?
22
Sep
Taking the radius of the earth to be 6400 km, by what percentage will the acceleration due to gravity at a height of 100 km from the surface of the earth differ from that on the surface of the earth ? by what percentage will the acceleration due to gravity at a height of 100 [...]
The height at which, the acceleration due to gravity decreases by 36% of its value on the surface of the earth is, ( the radius of the earth is R)
22
Sep
The height at which, the acceleration due to gravity decreases by 36% of its value on the surface of the earth is, ( the radius of the earth is R) ( the radius of the earth is R) the acceleration due to gravity decreases by 36% of its value on the surface of the earth [...]
A body weighs 72 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth from the surface ?
22
Sep
A body weighs 72 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth from the surface ? A body weighs 72 N on the surface of the earth. What is the gravitational force on it [...]
At what height h above the earth’s surface the value of g becomes g/2 ? ( where R is the radius of the earth )
22
Sep
At what height h above the earth’s surface the value of g becomes g/2 ? ( where R is the radius of the earth ) At what height h above the earth's surface the value of g becomes g/2 ? ( where R is the radius of the earth ) September 22, 2020 Category: Chapter [...]
Two point masses A and B having masses in the ratio 4 : 3 are separated by a distance of 1 m. When another point mass c of mass M is placed in between A and B the forces A and C is (1 / 3rd) of the force between B and C, Then the distance C from A is
22
Sep
Two point masses A and B having masses in the ratio 4 : 3 are separated by a distance of 1 m. When another point mass c of mass M is placed in between A and B the forces A and C is (1 / 3rd) of the force between B and C, Then the [...]