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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 shapemass and speedmass and veloctiymass and energy
- Multiple ChoicePlease save your changes before editing any questions.The equation to calculate momentum isp=mvp=1/2mv
^{2}p=mghp=mg - Multiple ChoicePlease save your changes before editing any questions.Which 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
- Multiple ChoicePlease save your changes before editing any questions.Determine the momentum of 1000-kg car moving southward at 20 m/s.........20000 N20000 Joules20000 Kg * m/s south10000 kg * m/s south
- Multiple ChoicePlease save your changes before editing any questions.A 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
- Multiple ChoicePlease save your changes before editing any questions.A 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
- Multiple ChoicePlease save your changes before editing any questions.Momentum is a ____________________ quantitysciencescalarvectorenergy
- Multiple ChoicePlease save your changes before editing any questions.A 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 - Multiple ChoicePlease save your changes before editing any questions.The impulse is ______ the change in momentumGreater thanEqual toless thanalways double
- 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.When two objects collide, the P
_{before}is ____________ the P_{after.}more thanless thanequal tounrelated to - Multiple ChoicePlease save your changes before editing any questions.Which of the following has the greatest momentum?a scurrying cockroacha parked semi-truckmore information is needed
- 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.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.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.A 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
- 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