Momentum = (mass) x (velocity), in the same direction as the velocity.
Spaceship-1 . . . Momentum = (300) x (3) = 900 kg-m/sec, in some direction.
Spaceship-2 . . . Momentum = (300) x (2) = 600 kg-m/sec, in the same direction.
Their combined momentum = 1,500 kg-m/sec, in their common direction.
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2m/s
900kg-m/s
Momentum is mass multiplied by velocity. The momentum of the two ships would be 300 x 2 = 600 kgm/s and 300 x 1 = 300 kgm/s. So the combined momentum of the two ships would be 900 kgm/s.
600kg-m/s apex miles
Momentum = (mass) x (velocity), in the same direction as the velocity.Spaceship-1 . . . Momentum = (300) x (2) = 600 kg-m/sec, in some direction.Spaceship-2 . . . Momentum = (300) x (1) = 300 kg-m/sec, in the same direction.Their combined momentum = 900 kg-m/sec, in their common directionbut the answer is 1500 kg-ms