Kinetic Energy Questions

A ____kg ball is thrown at a speed of 5m/s and has 25j of kinetic energy; what is the mass of the ball?

• 10kg

• 1250J

• 100J

• 2kg

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How much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?

• 27 J

• 18 J

• 9 J

• 2 J

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NGSS.MS-PS3-1

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s.

• 80 J

• 3.2 J

• 160 J

• 40 J

Tags

NGSS.MS-PS3-1

Energy of motion is called...

• Kinetic Energy

• Electrical Energy

• Potential Energy

• Thermal Energy

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Students conducted an experiment by stretching the same rubber band to various lengths, releasing it, and measuring how far it traveled. Based on the chart, what conclusion can be drawn?

• The more mass that a rubber band has, the more difficult it is to move.

• The shorter the length of a rubber band, the less energy can be stored in it.

• The more potential energy put into a rubber band, the more kinetic energy released.

• The farther a rubber band travels, the less it can be stretched later on.

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All of the potential and kinetic energy within a specific system.

• Total Energy

• Net Force

• Work

• Speed

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Investigating which of the following questions would involve kinetic energy?

• What is the effect of a boat’s shape on its speed?

• Do boats float higher in salt or fresh water?

• How does the color of a boat affect heat absorption?

• What material makes the strongest boat?

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A diagram of a pendulum is shown above. The pendulum is released from Position 1. At which two positions will the pendulum’s potential equal its kinetic energy?

• 1 and 2

• 2 and 4

• 3 and 4

• 4 and 5

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Which of the objects pictured have Kinetic Energy? Choose ALL that apply.

• Soccer Ball Flying Through the Air

• Soccer Ball Not moving

• Fan Spinning

• Fan not spinning

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When something is moving it has_______________ energy

• kinetic

• potential

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