Other questions in this quiz

2. wave power is...

  • kinetic energy of the water- electrical energy
  • kinetic energy of the water- gravitational potential energy
  • chemical energy of the water- thermal energy
  • chemical energy of the water- kinetic potential energy

3. energy transferred=

  • power x time
  • hours / cm
  • time/ power
  • power/ time

4. what causes energy losses

  • friction, noise, vibrations
  • air resistance, friction, sound, current
  • flying, speed, drinking
  • pull, drag, chemical
  • current, drag, potential

5. cost=

  • number of rooms in house x number of children
  • number of units / cost per unit
  • number of units x cost per unit
  • cost per unit / number of units
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