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- 1. Multiple Choice
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
- 2. Multiple ChoiceDetermine the momentum of 1000-kg car moving northward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s20000 kg * m/s north
- 3. Multiple ChoiceThe equation to calculate momentum isp=mvp=1/2mv2p=mghp=mg
- 4. Multiple Choice
In any collision (crash) the ______ is ALWAYS constantTotal Momentumtotal speedtotal VelocityEnergy - 5. Multiple Choice
A 2 kg cart moving at 4 m/s has how much momentum?
8 kg-m/s
1 kg-m/s
2 kg-m/s
6 kg-m/s
- 6. Multiple ChoiceWhen the speed of an object is doubled, its momentumremains unchanged in accord with the conservation of momentum.doublesquadruplesdecreases
- 7. 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.
- 8. Multiple Choice
A runner has a momentum of 100 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
20 kg
500 kg
150 kg
80 kg
- 9. Multiple ChoiceA 2 kg cart has a momentum of 16 kg m/s. What is its velocity?8 m/s32 m/s0.125 m/s18 m/s
- 10. Multiple ChoiceWhat are the units of Force?kg m/seckg mNN sec
- 11. Multiple ChoiceThe total momentum before a collision is _________ the total momentum after a collision.equal toless thanmore thanIt depends on the type of collision
- 12. Multiple ChoiceBoth mass and velocity are _______________ proportional to momentum.DirectlyInversely
- 13. Multiple ChoiceWhich of the following has the least amount of momentum?An ant walking along the groundAn ant at restAn elephant walkingAn elephant running
- 14. Multiple ChoiceIf two objects have the same mass, then the faster moving object has ____________ momentum.morelessthe same
- 15. Multiple ChoiceWhat is the unit for momentum?m/seckg/seckg/mkg m/sec
- 16. Multiple ChoiceWhat is the unit for velocity?m/seckg/seckg/mkg m/sec
- 17. Multiple ChoiceWhat is the unit for mass?m/seckg/seckgkg m/sec
- 18. Multiple ChoiceWhich has more momentum: a car at a stop light or a bike moving at 15 mph?carbikethey are equalcannot determine using the info provided
- 19. Multiple ChoiceIf the mass of an object doubles but the speed remains the same, what happens to momentum?half as muchdoublestriplescannot calculate from info given
- 20. Multiple ChoiceHow can a tennis ball and a bowling ball have the same momentum?have the same speedhave different speedsone is moving backwardsthey can't
- 21. Multiple ChoiceAn object with a mass of 2000 kg at rest has what momentum?2000 kg m/sec0 kg m/sec2000 kg2000 m/sec
- 22. Multiple Choice
Which has more momentum?
Elephant at rest
Ant walking at 1 m/s
- 23. Multiple Choice
If two 1 kg pucks speeding toward each other with the same speed, the total momentum is...
0 kg m/s
1 kg m/s
2 kg m/s
10 kg m/s
- 24. Multiple Choice
When two objects collide, what happens to their momentum?
their total momentum doesn’t change
their total momentum is greater
their total momentum is smaller
all of these
- Answer choicesTagsAnswer choicesTags