Useful and Wasted Energy Conservation
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Questions and Answers

Which type of energy is stored in the rope of the bungee jumper?

  • Elastic potential energy (correct)
  • Kinetic energy
  • Gravitational potential energy
  • Thermal energy

    • What form of energy does the car's gears waste when they get hot due to friction?

  • Thermal energy (correct)
  • Gravitational potential energy
  • Kinetic energy
  • Elastic potential energy

    • According to the law of conservation of energy, what happens to energy during transfers?

  • Energy changes from one form to another (correct)
  • Energy is created or destroyed
  • Energy is lost during transfers
  • Energy remains unchanged

    • What is an example of useful energy according to the text?

    <p>Gravitational potential energy transferring to kinetic energy (D)</p> Signup and view all the answers

    What type of energy store does a bungee jumper have at the top of the tower?

    <p>Gravitational potential energy store (C)</p> Signup and view all the answers

    What happens to wasted energy in a car's gearbox due to friction?

    <p>It dissipates to the surroundings as heat (D)</p> Signup and view all the answers

    What happens to total energy during transfers according to the law of conservation of energy?

    <p>It remains the same (B)</p> Signup and view all the answers

    What happens to thermal energy dissipated to the surroundings?

    <p>It dissipates as heat (C)</p> Signup and view all the answers

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