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How can energy not be useful?

Updated: 8/11/2023
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15y ago

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The energy that cannot be used to do useful work is called free energy.

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10y ago
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14y ago

Not at all. A large concentration of energy can be quite destructive. Examples:

  • A meteor impact caused the extinction of dinosaurs, 65 million years ago.
  • You can die from an accidental contact with electricity.
  • Lightning has a lot of destructive power.
  • An atomic bomb can destroy the largest of cities.


Not at all. A large concentration of energy can be quite destructive. Examples:
  • A meteor impact caused the extinction of dinosaurs, 65 million years ago.
  • You can die from an accidental contact with electricity.
  • Lightning has a lot of destructive power.
  • An atomic bomb can destroy the largest of cities.


Not at all. A large concentration of energy can be quite destructive. Examples:
  • A meteor impact caused the extinction of dinosaurs, 65 million years ago.
  • You can die from an accidental contact with electricity.
  • Lightning has a lot of destructive power.
  • An atomic bomb can destroy the largest of cities.


Not at all. A large concentration of energy can be quite destructive. Examples:
  • A meteor impact caused the extinction of dinosaurs, 65 million years ago.
  • You can die from an accidental contact with electricity.
  • Lightning has a lot of destructive power.
  • An atomic bomb can destroy the largest of cities.
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14y ago

Heat may be useful in some cases... But once you have heat, you can no longer convert it to other forms of energy. At least, not all of it.

Heat may be useful in some cases... But once you have heat, you can no longer convert it to other forms of energy. At least, not all of it.

Heat may be useful in some cases... But once you have heat, you can no longer convert it to other forms of energy. At least, not all of it.

Heat may be useful in some cases... But once you have heat, you can no longer convert it to other forms of energy. At least, not all of it.

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14y ago

Not at all. A large concentration of energy can be quite destructive. Examples:

  • A meteor impact caused the extinction of dinosaurs, 65 million years ago.
  • You can die from an accidental contact with electricity.
  • Lightning has a lot of destructive power.
  • An atomic bomb can destroy the largest of cities.
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15y ago

Suppose your house burned down. A lot of energy is produced, but definitely not useful!

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11y ago

it will vanish in the air and pop in the water then go to space


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11y ago

It depends on what energy you want. For example heat energy is sometimes not useful, eg when computers heat up

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14y ago

Heat may be useful in some cases... But once you have heat, you can no longer convert it to other forms of energy. At least, not all of it.

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