Free TEAS Test Exam Braindumps (page: 54)

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A body of mass 30 kg is traveling in space at a speed of 10 m/s. Given that the formula for kinetic energy is KE = 0.5 × m × v2, and m is mass and v is speed of an object, what is its kinetic energy?

  1. 1000 J
  2. 4600 J
  3. 120 J
  4. 1500 J

Answer(s): D



A man of mass 60 kg, runs up the stairs of total height 5 meters in 4 seconds. How much power is exerted by the man?

  1. 800W
  2. 750W
  3. 250W
  4. 1000W

Answer(s): B



Which of these represents the correct order of some of the main energy changes that take place in a coal-fired power station?

  1. chemical, heat, kinetic, electrical
  2. kinetic, heat, electrical, chemical
  3. chemical, electrical, heat, kinetic
  4. heat, chemical, kinetic, electrical

Answer(s): A



A large amount of energy is produced in the center of sun by which phenomenon?

  1. chemical reaction
  2. nuclear fission
  3. nuclear fusion
  4. radioactive decay

Answer(s): C



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Juana commented on November 15, 2024
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