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5 Written Questions

5 Matching Questions

  1. Acceleration
  2. fusion
  3. Speed
  4. Kinetic energy
  5. Gravity
  1. a distance/time; scalar quantity; m/s
  2. b a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
  3. c change in velocity/time; vector quantity; m/s/s direction
  4. d the energy of motion; KE = (1/2)(m)(v)(v)
  5. e force of attraction between objects; depends on the mass and the distance between them; 9.8 m/s/s

5 Multiple Choice Questions

  1. the change in direction of a propagating wave (light or sound) when passing from one medium to another
  2. Forces are equal - causes no change in motion
  3. resting point of a wave/ no wave movement
  4. the transfer of thermal energy from one substance to another through direct contact
  5. The splitting of a nucleus into smaller fragments, accompanied by the release of neutrons and a large amount of energy

5 True/False Questions

  1. Gravitational Potential energythe stored energy and object has due to its position and gravity; GPE = mhg where g = 9.8 m/s/s


  2. Reference pointthe bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through


  3. WorkThe force exerted on an object that causes the object to move.


  4. Net Forcea push or pull acting on an object


  5. wavelengththe distance between two consecutive crests or troughs


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