[" 15.A girl of mass "5" Okg jumps out of a rowing boat of mass "300kg" on to the bank with a "],[" horizontally velocity of "3m/s" .With what velocity does the boat begin to move "],[" backwards? "]

A girl of mass 50 kg jumps out of a rowing boat of mass 300 kg on to the bank, with a horizontal velocity of 3 m/s. With what velocity does the boat begin to move backwards ?

A girl of mass 50 kg jumps out of a boat of mass 300 kg with horizonal velocity of 3ms^-1 . With what velocity does the boat begin to move backwards?

A boat of mass 40kg is at rest. A dog of mass 4kg moves in the boat with a velocity of 10m//s . What is the velocity of boat (nearly)?

A boat of mass 50kg is at rest. A dog of mass 5kg moves in the boat with a velocity of 20m//s . What is the velocity of boat?

A man of mass 60kg jumps from a trolley of mass 20kg standing on smooth surface with absolute velocity 3m//s . Find velocity of trolley and total energy produced by man.

A man of mass 60kg jumps from a trolley of mass 20kg standing on smooth surface with absolute velocity 3m//s . Find velocity of trolley and total energy produced by man.

A man of mass 62 kg is standing on a stationary boat of mass 238 kg. The man is carrying a sphere of mass 0.5 kg in his hands. If the man throws the sphere horizontally with a velocity of 12 ms^(-1) , find the velocity with which the boat will move (in magnitude)