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- 1. Multiple ChoiceThe momentum of an object depends upon the object's ___________&_____________.size and shapemass and speedmass and veloctiymass and energy
- 2. Multiple ChoiceThe equation to calculate momentum isp=mvp=1/2mv2p=mghp=mg
- 3. Multiple ChoiceWhich has more momentum: a car stopped at a red light or a bike moving at 15 mph?carbikethey are equalcannot determine using the info provided
- 4. Multiple ChoiceDetermine the momentum of 1000-kg car moving southward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s south10000 kg * m/s south
- 5. Multiple ChoiceA 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?5 m/s2.5 m/s10 m/s7.5 m/s
- 6. Multiple ChoiceA 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?18.6 m/s9.3 m/s7.5 m/s1.86 m/s
- 7. Multiple ChoiceMomentum is a ____________________ quantitysciencescalarvectorenergy
- 8. Multiple ChoiceA boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.1 N*s6 N*s33.3 N*sNone of these - 9. Multiple ChoiceThe impulse is ______ the change in momentumGreater thanEqual toless thanalways double
- 10. Multiple Choice
In any collision (crash) the ______ is ALWAYS constantTotal Momentumtotal speedtotal VelocityEnergy - 11. Multiple ChoiceWhen two objects collide, the Pbefore is ____________ the Pafter.more thanless thanequal tounrelated to
- 12. Multiple ChoiceWhich of the following has the greatest momentum?a scurrying cockroacha parked semi-truckmore information is needed
- 13. Multiple ChoiceWhen the speed of an object is doubled, its momentumremains unchanged in accord with the conservation of momentum.doublesquadruplesdecreases
- 14. Multiple ChoiceWhich 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.
- 15. Multiple ChoiceWhich of the following has the least amount of momentum?An ant walking along the groundAn ant at restAn elephant walkingAn elephant running
- 16. Multiple ChoiceWhat is the unit for momentum?m/seckg/seckg/mkg m/sec
- 17. Multiple ChoiceWhat is the unit for velocity?m/seckg/seckg/mkg m/sec
- 18. Multiple ChoiceWhat is the unit for mass?m/seckg/seckgkg m/sec
- 19. Multiple ChoiceA 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
- 20. Multiple ChoiceDetermine the momentum of 1000-kg car moving northward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s20000 kg * m/s north
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