An open water tight railway wagon of mass `5xx10^(3)` kg coasts at initial velocity of `1.2 m//s`
Channel: Doubtnut
Date: 2020-08-30

An open water tight railway wagon of mass `5xx10^(3)` kg coasts at initial velocity of `1.2 m//s` without friction on a railway track. Rain falls vertically downwards into the wagon. What change then occurred in the kinetic energy of the wagon, when it has collected `10^(3)` kg of water