Answers Physical ScienceWork, Power, and Energy

Work, Power, and Energy — Test Answers

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Which best describes what the observations have in common?

They involve nuclear energy.

They involve radiant energy.

They involve changes in waves.

They involve changes in energy.

Which statement is supported by the information in the chart?

Chiang has less kinetic energy than Lexy.

Lexy has more kinetic energy than Mohammed.

Mohammed has less kinetic energy than Autumn.

Autumn has more kinetic energy than Chiang.

Which descriptions best fit the labels?

X: mechanical energy Y: electrical energy

X: electrical energy Y: mechanical energy

X: potential energy Y: kinetic energy

X: kinetic energy Y: potential energy

Which statement best describes the skier?

The skier does not have potential or kinetic energy.

The skier has potential and kinetic energy.

The skier has only potential energy.

The skier has only kinetic energy.

Which best completes the chart?

nuclear energy transformed to electrical energy

radiant energy transformed to mechanical energy

kinetic energy transformed to mechanical energy

chemical energy transformed to electrical energy

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