roseiy
roseiy roseiy
  • 04-04-2017
  • Physics
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A marathon runner starts her race at 7 miles an hour. by the end of the race, 5 hours later, her speed is 5.5 miles an hour. what is her acceleration

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johnsont
johnsont johnsont
  • 04-04-2017
5.5-7=-1.5 time interval would be 5 hrs.
you then take the -1.5 ÷ 5hrs = -.3
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