[" A person weighing "60kg" in a "],[" small boat of mass "140kg],[" which is at rest,throws a "5kg],[" stone in the horizontal "],[" direction with a velocity of "14],[" ms "^(-1)" .The velocity of the boat "],[" immediately after the throw is "],[" (in "m/s)]

A person weighing 60kg In a small boat of mass 140 kg which is at rest, throws a 5 kg stone in the horizontal direction with a velocity of 14m//s^(-1) . The velocity of the boat immediately after the throw is (in m//s )

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 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 body of mass 2 kg, travelling at 4 m/s makes a head-on collision with a body of mass 1 kg travelling in the opposite direction with a velocity of 2 m/s, the velocities of the two bodies after collision are

[" A block of mass "5kg" is at rest on a "],[" smooth horizontal surface.Water "],[" coming out of a pipe horizontally at "],[" the rate of "2kgs^(-1)," hits the block "],[" with a velocity of "6ms^(-1)" .The initial "],[" acceleration of the block is "]

The momentum of a person weighing 60kg walking with a velocity of 2m//s is

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)