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- Multiple ChoicePlease save your changes before editing any questions.
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
- Multiple ChoicePlease save your changes before editing any questions.Determine the momentum of 1000-kg car moving northward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s20000 kg * m/s north
- Multiple ChoicePlease save your changes before editing any questions.The equation to calculate momentum isp=mvp=1/2mv2p=mghp=mg
- Multiple ChoicePlease save your changes before editing any questions.
In any collision (crash) the ______ is ALWAYS constantTotal Momentumtotal speedtotal VelocityEnergy - Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.When the speed of an object is doubled, its momentumremains unchanged in accord with the conservation of momentum.doublesquadruplesdecreases
- Multiple ChoicePlease save your changes before editing any questions.Which 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.
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.A 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
- Multiple ChoicePlease save your changes before editing any questions.What are the units of Force?kg m/seckg mNN sec
- Multiple ChoicePlease save your changes before editing any questions.The total momentum before a collision is _________ the total momentum after a collision.equal toless thanmore thanIt depends on the type of collision
- Multiple ChoicePlease save your changes before editing any questions.Both mass and velocity are _______________ proportional to momentum.DirectlyInversely
- Multiple ChoicePlease save your changes before editing any questions.Which of the following has the least amount of momentum?An ant walking along the groundAn ant at restAn elephant walkingAn elephant running
- Multiple ChoicePlease save your changes before editing any questions.If two objects have the same mass, then the faster moving object has ____________ momentum.morelessthe same
- Multiple ChoicePlease save your changes before editing any questions.What is the unit for momentum?m/seckg/seckg/mkg m/sec
- Multiple ChoicePlease save your changes before editing any questions.What is the unit for velocity?m/seckg/seckg/mkg m/sec
- Multiple ChoicePlease save your changes before editing any questions.What is the unit for mass?m/seckg/seckgkg m/sec
- Multiple ChoicePlease save your changes before editing any questions.Which has more momentum: a car at a stop light or a bike moving at 15 mph?carbikethey are equalcannot determine using the info provided
- Multiple ChoicePlease save your changes before editing any questions.If the mass of an object doubles but the speed remains the same, what happens to momentum?half as muchdoublestriplescannot calculate from info given
- Multiple ChoicePlease save your changes before editing any questions.How can a tennis ball and a bowling ball have the same momentum?have the same speedhave different speedsone is moving backwardsthey can't
- Multiple ChoicePlease save your changes before editing any questions.An object with a mass of 2000 kg at rest has what momentum?2000 kg m/sec0 kg m/sec2000 kg2000 m/sec
- Multiple ChoicePlease save your changes before editing any questions.
Which has more momentum?
Elephant at rest
Ant walking at 1 m/s
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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