Solve the following examples:
A body of mass 1 kg has kinetic energy 2 J. Find the velocity of the body.

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.

Solve the following examples: (numerical problems) A body of mass 10 kg moves with a velocity of 5 m/s. Find its momentum.

Solve the following examples: A body of mass 0.1 kg thrown upward reaches a maximum height of 10 m. Calculate the work done by the force of gravity during this vertical displacement.

Solve the following example : A body of volume 100 cm^3 is immersed completely in water. Find the weight of the water displaced by the body. [g = 9.8 m//s^2, rho(water) = 10^3 kg//m^3]

1 kg mass has a kinetic energy of 2 joule. Calculate its velocity

Solve the following examples / numerical problems: A body of mass 20 kg is at rest on the earth's surface. (i) Find its gravitational potential energy. (ii) Find the kinetic energy to be provided to the body to make it free from the gravitational influence of the earth. (g=9.8 m/s^2, R=6400km)

Solve the following examples: (numerical problems) A body of mass 5 kg moves in a straight line with an acceleration of 2 m//s^2 ?. Find the change in the momentum of the body in 2 seconds.

Solve the following examples: (numerical problems) A body moves along a straight line at a velocity of 10 m/s for 10 s and then at a velocity of 15 m/s for 15 s. Find the average velocity of the body.

Solve the following examples / numerical problems: Find the escape velocity of a body from the earth. [M_(earth)= 6xx10^24 kg, R_(earth)=6.4xx10^6m,G=6.67xx10^-11 N-m^2/kg^2]

Solve the following examples / numerical problems: Find the escape velocity of a body from the earth. [R_(earth)= 6.4xx10^6 m, rho_(earth)= 5.52xx10^3 kg/m^3,G=6.67xx10^-11 N-m^2/kg^2]