What is the weight of a body of mass 100 kg at the south pole ? (g=9.832 m/s^2)

What is the weight of a body of mass 20kg at the equator ?(g=9.78 m/s^2)

How much energy will be needed for a body of mass 100kg to escape from the earth- (g = 10m//S^(2) and radius of earth = 6.4 xx 10^(6) m)

Calculate the work done to take an object of mass 20 kg to a height of 10 m. (g = 9.8 m/s2)

The kinetic energy of a body of mass 4 kg and momentum 6 N-s will be

Fill in the blanks with appropriate words and write the completed statements: The kinetic energy of a body of mass 2 kg moving with a velocity of 1m/s is ………J.

Solve the following examples: (numerical problems) A body of mass 1 kg, moving with a velocity of 4 m/s collides with a body of mass 0.5 kg moving with a velocity of 2 m/s . If the velocity of the first body after collision is 8/3 m/s , find the velocity of the second body after collision.

If the momentum of a body of mass 10 kg is 20 kg m//s , find its velocity.

A body is released from the top of a tower of height 50 m. Find the velocity with which the body hits the ground. (g=9.8 m/s^2)

What is the weight ( in g) of Na_(2) CO_(3) (molar mass = 106 ) present in 250 mL of its 0.2 M solution ?

A steel rod of 1 m is supported at its ends so that it remains horizontal. Three spheres of masses 4 kg, 6 kg, 8 kg, are suspended from 15 cm, 40 cm and 80 cm marks respectively . If weight of rod is 2 kg wt, calculate the reaction at each support. ( g= 9.8 m//s^2)