A man of 80 kg attempts to jump from the small boat of mass 40 kg on to the shore. He can generate a relative velocity of 6 m/s between him and boat. His velocity towards shore is

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 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 man of mass m runs without sliding from rest from one end of a boat of mass M and length l with an acceleration a relative to the boat. If the friction between water and boat is neglected find the a. acceleration of CM of the system (M+m) b. acceleration of the man and boat c. position of man at the time when he reaches to other end of the boat d. frictional force e. work done by friction on boat. f. total work done by friction. g. velocities of man and boat when the man reaches other end of the boat. h. work down by man

A man of mass m runs without sliding from rest from one end of a boat of mass M and length l with an acceleration a relative to the boat. If the friction between water and boat is neglected find the a. acceleration of CM of the system (M+m) b. acceleration of the man and boat c. position of man at the time when he reaches to other end of the boat d. frictional force e. work done by friction on boat. f. total work done by friction. g. velocities of man and boat when the man reaches other end of the boat. h. work down by man