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- 1. Multiple-choice30 seconds1 ptIf two objects have the same mass, then the faster moving object has ____________ momentum.morelessthe same
- 2. Multiple-choice30 seconds1 ptMomentum is a ____________________ quantitysciencescalarvectorenergy
- 3. Multiple-choice15 minutes1 ptWhich object listed below has the greatest momentum?A 0.05 kg object rolling at 0.2 m/s.A 0.15 kg object rolling at 2 m/s.A 0.15 kg object rolling at 1 m/sA 0.4 kg object rolling at 2 m/s.
- 4. Multiple-choice5 minutes1 ptThe total momentum before a collision is _________ the total momentum after a collision.equal toless thanmore thanIt depends on the type of collision
- 5. Multiple-choice30 seconds1 ptWhat is the unit for momentum?m/skg/skg/mkg m/s
- 6. Multiple-choice30 seconds1 ptWhat is the unit for velocity?m/skg/skg/mkg m/s
- 7. Multiple-choice30 seconds1 ptWhat is the unit for mass?m/skg/skgkg m/s
- 8. Multiple-choice30 seconds1 ptA(n) _________________ causes and is equal to a change in momentumimpulseforcejoulewatt
- 9. Multiple-choice2 minutes1 pt
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
- 10. Multiple-choice1 minute1 ptThe equation to calculate momentum isp=mvp=1/2mv2p=mghp=mg
- 11. Multiple-choice1 minute1 ptWhat are the units of Force?kg m/seckg mNN sec
- 12. Multiple-choice1 minute1 ptA 0.250 kg cart moving at 0.400 m/s has how much momentum?0.1 kg-m/s1 kg-m/s10 kg-m/s100 kg-m/s
- 13. Multiple-choice30 seconds1 ptA 10kg toy truck moves at 5m/s East. It collides head-on with a 5kg toy car moving 10 m/s moving west. What is the total momentum of the system?0 kgm/s30 kgm/s50 kgm/s10 kgm/s
- 14. Multiple-choice30 seconds1 ptRahim observed a collision in lab where the kinetic energy after the collision was equal to the kinetic energy before the collision. This type of collision isCompletely InelasticElasticInelastic
- 15. Multiple-choice30 seconds1 ptA 1.6 kg mass moving at +5.5 m/s strikes a 2.4 kg mass moving at +2.5 m/s. If the 1.6 kg object's velocity is 1.9 m/s after the crash, what is the velocity of the 2.4 kg object?+5.5 m/s+3.6 m/s-1.1+4.9 m/s
- 16. Multiple-choice15 minutes1 ptA 2.5 kg ball moving at 4.2 m/s collides with a 2.5 kg stationary ball. If the first ball is at rest after the collision, what is the velocity of the second ball?2.1 m/s2.5 m/s4.2 m/s8.4 m/s
- 17. Multiple-choice5 minutes1 ptA 120 kg lineman moving at -2 m/s tackles an 80 kg fullback moving at +8 m/s. Both players are intertwined as they fall to the ground. If the fullback's velocity after they collide is +2 m/s, what is the lineman's velocity?2 m/s8.7 m/s4.7 m/s6 m/s
- 18. Multiple-choice5 minutes1 ptA 3,000 kg truck moving at +10 m/s hits a 1,000 kg parked car which moves off at +15 m/s. What is the velocity of the truck?10 m/s0 m/s5 m/s2 m/s
- 19. Multiple-choice5 minutes1 ptA 25 kg object moving at +15 m/s strikes a 15 kg mass moving at -10 m/s. If the 25 kg object moves off at -2 m/s, what is the velocity of the 15 kg object?-18.3 m/s+18.3 m/s-27 m/s+7 m/s
- 20. Multiple-choice30 seconds1 ptIf you double the velocity of an object, then its momentum will ______________.will doublewill halfwill quadruple (x4)will be quartered (x 1/4)
- 21. Multiple-choice30 seconds1 ptA 2kg box is moving at 2m/s when it get pushed with 10N of force over a period of 3 seconds. What will be its velocity after the push?13m/s17m/s58m/s62m/s
