Time period of second pendulum on a planet, whose mass and diameter are twice that of earth, is

The time period of a seconds pendulum on a planet, whose mass is twice that of the earth and radius is equal to the diameter of the earth, will be

The pendulum is acting as second pendulum on earth. Its time on a planet, whose mass and diameter are twice that of earth, is

A pendulum of time period 2 s'on earth is taken to another planet whose mass and diameter are twice that of earth.Then, its time period of the planet is (in second):

What will be the relation the acceleration due to gravity on the surface of the earth and on a planet respectively, whose mass and radius are twice that of the earth ?

What will be the relation the acceleration due to gravity on the surface of the earth and on a planet respectively, whose mass and radius are twice that of the earth ?

The escape velocity of a body from the earth is V_(e) . The escape velocity of a planet whose mass and radius are twice those of the earth is

What is the time period of the seconds pendulum, on a planet similar to earth, but mass and radius three times as that of the earth?

What is the time period of the seconds pendulum, on a planet similar to earth, but mass and radius three times as that of the earth?