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QUIZ

SUPER

11th

grade

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CJ Schubert

4 years

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37 questions

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- 1. Multiple Choice3 minutes1 pt
Energy and work are measured in

kilograms

meters

Joules

m/s

- 2. Multiple Choice3 minutes1 ptAt which point is potential energy greatest?WXYZ
- 3. Multiple Choice3 minutes1 ptWhen a pendulum swings, at which point is kinetic energy highest?1234
- 4. Multiple Choice3 minutes1 ptWhen a pendulum swings, at which point is potential energy at its greatest?1234
- 5. Multiple Choice3 minutes1 ptWhich point has the most potential energy?Gfba
- 6. Multiple Choice3 minutes1 ptWhere would a person have to be located to have the minimum gravitational potential energy?up on the roofdown in the basementin the middleoutside
- 7. Multiple Choice3 minutes1 ptA 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?3.2 J4.2 J2.0 J12.8 J
- 8. Multiple Choice3 minutes1 pt
2. The diagram represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?

1234 - 9. Multiple Choice30 seconds1 pt
What is the total energy for the position of the ball indicated by the blue circle?

0 J

50 J

100 J

- 10. Multiple Choice30 seconds1 pt
How much kinetic energy would the ball have at the position indicated by the blue circle?

0 J

50 J

100 J

- 11. Multiple Choice30 seconds1 pt
What is the total energy that the ball would have when it is in the position indicated by the blue circle?

0 J

50 J

100 J

- 12. Multiple Choice3 minutes1 pt
A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building (gravity - 10m/s^2)

44880 J

63982.3 J43962.4 KJ

83942.4 J - 13. Multiple Choice3 minutes1 ptA pitcher throws a 0.145 kg baseball at a velocity of 30.0m/s. How much kinetic energy does the ball have?65.35 J87.25 J23.45 J65.25 J
- 14. Multiple Choice3 minutes1 ptHow can I gain potential energy? (choose the best answer)Run a mileWalk up the stairsClimb a mountainGo down the stairs
- 15. Multiple Choice3 minutes1 pt
This graph depicts what type of relationship between kinetic and potential energy?

Non-Linear

Linear

Inverse

Direct

- 16. Multiple Choice3 minutes1 pt
According to this graph, as kinetic energy decreases, potential energy must?

Increase

Decrease

Stay the same

- 17. Multiple Choice3 minutes1 pt
Based on the diagram of a roller coaster car on a roller coaster track, what statement is true?

The car at point A has more kinetic energy than the car at point C

The car at point C has less kinetic energy than the car at point B.

The car at point C has more kinetic energy than the car at point B.

The car at point D has less potential energy than the car at point B.

- 18. Multiple Choice3 minutes1 pt
How can we increase the gravitational potential energy of the car?

Strap a boulder to the car so that it weighs more.

Keep the length of the hill at 50 m but only 5 m tall.

Take the interior out of the car so that the car has less mass.

Keep the hill at 10 m tall but increase the length of the hill so that the car has farther to roll.

- 19. Multiple Choice3 minutes1 pt
Select all of the objects that have

__kinetic energy.__(You may click more than one object!) - 20. Multiple Choice1 minute5 pts
An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s? ( KE = 1/2mv

^{2})200Kg

20,000Kg

10Kg

200Kg

- 21. Multiple Choice30 seconds5 pts
A golf ball has a mass of 0.046 kg. It is dropped and has 1.1 J of gravitational potential energy (gravity = 9.8 m/s

^{2}). What height was it dropped from?2.4 meters

234 meters

0.41 meters

There isn't enough information to determine the height.

- 22. Multiple Choice1 minute5 ptsWhat are the two factors that affect kinetic energy?
time and energy

power and mass

mass and velocity

time and velocity

- 23. Multiple Choice5 minutes5 ptsAn 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?10 m/s5 m/s1 m/s100 m/s
- 24. Multiple Choice30 seconds5 ptsWood, batteries, gasoline, and food are all examples of ________________________.gravitational potential energyelastic potential energychemical potential energyNone of the above
- 25. Multiple Choice30 seconds5 ptsGravitational potential energy depends on the ________ and ________ of the object.Height and massFriction and movementMass and MovementHeight and Friction
- 26. Multiple Choice30 seconds5 pts
If these are all moving at the same speed, the vehicle with the greatest KE would be

- 27. Multiple Choice30 seconds5 pts
What is the unit of measurement for

*Force?*Newton

Watt

Joule

Metres

- 28. Multiple Choice30 seconds5 pts
**What is the formula for work?**Force = work × distance

Distance = force × work

Work = force × distance

Work = force × mass

- 29. Multiple Choice30 seconds5 pts
**If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?**8000 J

8000 N

4000 J

2000 J

- 30. Multiple Choice30 seconds1 ptThe amount of work done in a certain amount of time is known asworkeffort forceresistance forcepower
- 31. Multiple Choice30 seconds1 ptWork is done when a weightlifter holds a barbell still above his head.TrueFalse
- 32. Multiple Choice30 seconds1 pt
If you increase your work and decrease your time, you will have

more power

less power

same amount of power

power rating can not be determined

- 33. Multiple Choice30 seconds1 pt
Power always increases if work increases.

True

False

- 34. Multiple Choice30 seconds1 ptHow much time is needed to produce 720 Joules of work if 90 watts of power is used?0.125 s8 s64800 s80 s
- 35. Multiple Choice30 seconds1 ptIf 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?272 m17 m4.05 m272 cm
- 36. Multiple Choice2 minutes1 ptHow much time is needed to produce 720 Joules of work if 90 watts of power is used?
0.125 s

8 s

64800 s

80 s

- 37. Multiple Choice30 seconds5 pts
A 100 N force is applied to move an object a horizontal distance of 5 meters at constant speed in 10 seconds. How much power is done?

50J

50W

500J

500W

- Answer choicesTagsAnswer choicesTags
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