# Conceptual physics chapter 8 test answers

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Answers: -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448966) > -1}">An exterior force

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An internal force

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All are necessary

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An interior impulse

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Velocity

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They have equal and also oppowebsite velocities

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They have actually the exact same velocity

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They have equal and oppowebsite momenta

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They have equal and also opposite masses

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They have the very same mass

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Impulse

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Velocity

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Speed

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Momentum

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Mass at rest

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Velocity times weight

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Force times velocity

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Mass times velocity

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Force times mass

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Tright here is no change for the individual components

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The change is negligible

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Tright here is no net change

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Tright here is an equal amount of change

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None are correct

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It decreases the velocity

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It decreases the time of impact

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It decreases the amount of force

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It rises the amount of force

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It boosts the velocity

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None are correct

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Long time interval

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Large mass

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Short time interval

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Large force

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A change in an object"s velocity

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A adjust in an object"s momentum

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A readjust in the time it takes an object to pertained to rest

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A adjust in an object"s mass

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A change in the force an item experiences

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mass in motion

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A change in force * time

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pressure * time

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adjust in mass * velocity

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a adjust in velocity

Concern 10 10.If you are falling, which scenario will cause the greatest readjust in momentum once you land?
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More indevelopment is needed

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Small force

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Long time interval

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Brief time interval

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Your change in momentum is the exact same no matter what

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One had actually more mass and a higher velocity

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The situation is not possible

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One had less mass and much less velocity

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One had actually much less mass yet a higher velocity

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It will change by twice the amount of an additional variable

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It will certainly change by the very same amount as an additional variable

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It will triple

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It will certainly adjust by 1/2 the amount of one more variable

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It will certainly quadruple

Inquiry 13 13.Jeff"s auto weighs 2000 lbs and also is relocating east at 20 km/hour. Jordan"s automobile is twice as hefty, and also is moving east at 10 km/hour. Whose car has actually more momentum?
Answers: -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448898) > -1}">Jordan"s vehicle has more momentum because it weighs more. -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448900) > -1}">Jordan"s vehicle has more momentum because it"s going sreduced -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448901) > -1}">Jeff"s vehicle has even more momentum bereason it weighs much less -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448902) > -1}">Neither. Both cars have actually the same momentum. -1, "correct-answer" : practiceExamCtrl.correctOptionIds.indexOf(448899) > -1}">Jeff"s auto has more momentum bereason it is going much faster.
Question 14 14.If an item has a mass of 10 kg and also a velocity of 6 m/s to the left, what is its momentum?
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60 kg*m/s

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6 kg*m/s to the right

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60 kg*m/s to the left

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600 kg*m/s to the left

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0.6 kg*m/s to the left

Question 15 15.A sphere is relocating at 5 m/s through a momentum of 12 kg m/s. What is the mass of the ball?
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30 kg

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60 kg

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0.4 kg

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2.4 kg

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More indevelopment is needed

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It counts on just how much heat is generated

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Inelastic

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It counts on how much momentum is generated

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Elastic

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No heat is generated

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Some irreversible deformation constantly occurs

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Momentum deserve to never before really be conserved

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None are correct

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Some warm is generally generated

Question 18 18.How is it feasible for momentum to be conserved in a mechanism if the momentum of the individual components experience a change?
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The individual masses are equal and opposite

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The individual velocities are equal and opposite

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The exterior forces are equal and opposite

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All are correct

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The readjust in individual momenta are equal and opposite

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Two inner forces developing movement of an object

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Two objects traveling ameans from each other

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Two exterior forces creating motion of an object

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Two objects warding off each other

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Two objects coming in contact through each other

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Permanent damage occurs

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Heat is generated

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No long-term damages occurs

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Two objects have the exact same momentum

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Two objects have actually the same velocity

Chapter 8: Momentum Chapter Exam Instructions

Choose your answers to the questions and also click "Next" to watch the following collection of questions. You deserve to skip questions if you would certainly like and come earlier to them later via the "Go To First Skipped Question" button. When you have actually completed the practice exam, a green submit button will show up. Click it to view your results. Good luck!

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