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39.An object of mass M1 moving horizontally with speed I collided elastically with another object of mass M2 at rest select the correct statement (1) The momentum of system is conserved only in direction PQ (2) Momentum of M1 is conserved in direction perpendicular to SR (3) Momentum of M2 will change in direction normal to CR (4) All of these |
| Answer» 39.An object of mass M1 moving horizontally with speed I collided elastically with another object of mass M2 at rest select the correct statement (1) The momentum of system is conserved only in direction PQ (2) Momentum of M1 is conserved in direction perpendicular to SR (3) Momentum of M2 will change in direction normal to CR (4) All of these | |