Rebecca and Rania p2

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Author:
McAuley
ID:
143128
Filename:
Rebecca and Rania p2
Updated:
2012-03-22 10:29:15
Tags:
physics
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Description:
physics
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  1. write down the formula for acceleration
    acceleration=change in velocity/time taken
  2. write down the formula for weight
    weight=mass x gravitational feild strength
  3. write the formula for distance
    distance=speed x time
  4. write down the formula for force
    force= mass x acceleration
  5. write the formula for work done
    work done= force x distance
  6. how does static electricity work?
    when two objects rub together and electrons pass from one object to another
  7. what causes lightning?
    hot air and cold are come together and the negative charge in the air builds up to cause lightning
  8. what is a cell for in an electric circuit?
    to push electrons around a complete circuit

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