What will be the formula of the mass in terms of g, R and G? (R = radius of earth)

A second pendulum is mounted in a rocket. Its period of oscillation decreases when the rocket

For a satellite escape velocity is 11 km/s. If the satellite is launched at an angle of 60^o with the vertical, then escape velocity will be

The density of newly discovered planet is twice that of earth.The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the radius of the earth is R, the radius of the planet would be

A satellite A of mass m is at a distance r from the surface of the earth. Another satellite B of mass 2m is at a distance of 2r from the earth's surface. Their time periods are in the ratio of

If the gravitational force between two object were proportional to ¹/R (and not as ¹/R²), where R is separation between them, then a particle in circular orbit under such a force would have its orbital speed v proportional to

The escape velocity from earth is 11.2 km/s. If a body is to be projected in a direction making an angle 45^o to the vertical, then the escape velocity is

The largest and the shortest distance of the earth from the sun are r₁ and r₂. Its distance from the sun when it is perpendicular to the major axis of the orbit drawn from the sun is

A body of mass m is placed on earth's surface. It is then taken from earth's surface to a height h = 3R, then the change in gravitational potential energy is

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2m on the surface of A. What is the height of jump by the same person on the planet B?