Question

It’s a cold night in Gotham city. A criminal (of mass 60Kg) is now fleeing on a boat (mass 500Kg) with important research material stolen from UGotham’s Physics Department,. Batman, the caped crusader (mass 100Kg) waits on a bridge until he can jump into the boat. If the velocity of the boat is initially 11 m/s due West and assuming Batman had no horizontal velocity during the jump, what is the velocity of the boat after the superhero’s landing?

Answer 1