Three particles `A,B` and `C` and situated at the vertices of an equilateral triangle `ABC` of side
Channel: Doubtnut
Date: 2020-08-30

Three particles `A,B` and `C` and situated at the vertices of an equilateral triangle `ABC` of side of length `l` at time `t=0`,Each of the particles move with constant speed `u`. A always has its velocity along `AB, B` along `BC` and `C` along `CA`.