Calculate the time needed for a net force of 5 N to change the velcoity of a 10 kg mass by 2 m/s .

Calculate the change in energy for a body of mass 5 kg, change its velocity from 10 m/s to 16 m/s.

Calculate the net force acting on a body of mass 10 kg moving with a uniform velocity of 2 m/s ?

Calculate the net force acting on a body of mass 10 kg moving with a unifrom velocity of 2 ms^(-1) .

Calculate the gravitational force of attraction between two bodies of masses 40 kg and 80 kg separated by a distance 15 m. Take G= 6.7 xx 10^(-11) N m^2 kg^(-2)

A force applied by an engine of a train of mass 2.05xx10^6 kg changes its velocity from 5 m/s to 25 m/s in 5 minutes. The power of the engine is

A force applied by an engine of a train of mass 2.05xx10^6 kg changes its velocity from 5 m/s to 25 m/s in 5 minutes. The power of the engine is