momentum must be conserved
momentum = mass*velocity
initially momentum = 150*6 +150*0 = 900 kgms-1
final momentum = 300*combinedvelocity = 900
so the final velocity must be 3 ms-1
2,000 kg-m/s "Apex"
1800 kg-m/sec 600 kg x 3 meters/sec (in the direction spaceship 2 was headed). Since the first spaceship had all the initial momentum, only the velocity of the combined mass will change.
6m/s
6m/s
6 m/s 30 m/s
3 m/s
2 m/s
3 m/s
2 m/s*heather :)*
2 m/sec in the direction of travel of Spaceship 2, assuming they are both in frictionless outer space.
The new speed for the combined masses will be one-half the original velocity of the moving spaceship, since the momentum is applied to a mass twice as large.
2m/s
900kg-m/s
2,000 kg-m/s "Apex"
1800 kg-m/sec 600 kg x 3 meters/sec (in the direction spaceship 2 was headed). Since the first spaceship had all the initial momentum, only the velocity of the combined mass will change.
600kg-m/s apex miles
1,500 kg-m/s900 kg-m/s apex