So will it? <—— this is quite useful in answering the question.

A penny is unlikely to kill a pedestrian for the following reasons:

  • It will not necessarily land on its edge, providing the pressure necessary to penetrate the head of the pedestrian
  • the pedestrian provides a very small target for the coin, reducing the chances it will hit the pedestrian
  • a larger coin may increase the chances of injury but will result in a lower terminal velocity and less force on impact
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