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One joule is a difficult concept for most people to imagine. It is the amount of energy:

  • needed lift a small apple one metre straight up.
  • the heat energy released by a person at rest every 1/60th of a second
  • the kinetic energy of a medium sized human (50kg) moving very slowly (20cm/sec).
  • the kinetic energy of a tennis ball after a 1 second fall
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12y ago

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One joule is equivalent to the amount of work done when a force of one newton is applied over a distance of one meter. It is a small unit of energy, often used to describe energy consumption or output in various systems.

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10mo ago
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Q: How big is one joule?
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