MTG NEET Physics
A ball is thrown vertically upwards with a velocity equal to half the escape velocity from the surface of the earth. The ball rises to a height h above the surface of the earth. If radius of the earth is R, then ratio h/R is
22
Sep
A ball is thrown vertically upwards with a velocity equal to half the escape velocity from the surface of the earth. The ball rises to a height h above the surface of the earth. If radius of the earth is R, then ratio h/R is Mass remaining constant the radius of the earth shrinks by [...]
The work done in shifting a particle of mass m from the centre of earth to the surface of the earth is (where R is the radius of the earth )
22
Sep
The work done in shifting a particle of mass m from the centre of earth to the surface of the earth is (where R is the radius of the earth ) The work done in shifting a particle of mass m from the centre of earth to the surface of the earth is (where R [...]
A body of mass m rises to a height h 5/R from the earth’s surface where R is the earth’s radius. If g is acceleration due to gravity at the earth’s surface, the increase in potential energy is
22
Sep
A body of mass m rises to a height h 5/R from the earth’s surface where R is the earth’s radius. If g is acceleration due to gravity at the earth’s surface, the increase in potential energy is A body of mass m rises to a height h 5/R from the earth's surface where R [...]
A particle of mass M is placed at the centre of a uniform spherical shell of mass 3M and radius R . The gravitational potential on the surface of the shell is:
22
Sep
A particle of mass M is placed at the centre of a uniform spherical shell of mass 3M and radius R . The gravitational potential on the surface of the shell is: A particle of mass M is placed at the centre of a uniform spherical shell of mass 3M and radius R . The [...]
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 [...]