Two students

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

Two students, each of mass 50 kg, stand facing each other on identical frictionless roller skates. They push each other so that they move apart. (i) For the system consisting of both students together, is the horizontal component of linear momentum conserved? Give a reason. (ii) For the system consisting of only one student, is the horizontal component of linear momentum conserved during the push? State why.

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