Physics

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Across
  1. 2. How much force (in newtons) would be required to lift a 300Kg plane?
  2. 4. What is the bottom of a wave called
  3. 5. What is the top of a wave called
  4. 6. What is this symbol called "∆"
  5. 7. The formula for force is mass multiplied by what?
Down
  1. 1. In a speed-time graph, what does a vertical straight line represent?
  2. 3. What kind of wave is a sound wave