What is the amount of work done in bringing a mass from the surface of Earth on one side to a point diametrically opposite on the other side?

What is the work done in taking an object of mass 1kg from the surface of the earth to a height equal to the radius of the earth ? ( G = 6.67 xx 10^(-11) Nm^(2)//Kg^(2) , Radius of the earth = 6400 km, Mass of the earth = 6 xx 10^(24) kg .)

What is the amount of work done in moving a charge of 15 between two points kept at a potentia difference of 1.2 V?

The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is :

What is the work done in shifting a body of mass m=5okg slowly from the earth's surface to infinity?

The work that must be done in lifting a body of weight P from the surface of the earth to a height h is

A hollow hemisphere of mass 4m is placed as shown in figure . Two point masses m each are fixed to it at points P and Q on diametrically opposite points. The position of center of mass of the system is

Prove that in a triangle if the square of one side is equal to the sum of the squares of the other two side then the angle opposite to the first side is a right angle.

Prove that in a triangle, if the square of one side is equal to the sum of the squares of the other two sides, then the angles opposite to the first side is a right angle.

A particle is moving in a circle with uniform speed v . In moving from a point to another diametrically opposite point

The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T=surface tension of the solution)