kristinemorris243 kristinemorris243
  • 04-10-2021
  • Physics
contestada

HELP I DON'T KNOW HOW TO DO THIS!!!

HELP I DONT KNOW HOW TO DO THIS class=

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AL2006
AL2006 AL2006
  • 04-10-2021

The race is 200 meters long.  So we want to look at the graph and see which runner was the first to cover 200 meters.

==> All 3 runners were at the starting line (0 m) when the clock said 0 sec. So nobody jumped out ahead before time=0, and it was a fair start.

==> Runners B and C both arrived at 200 m when the clock said 25 sec.

==> Runner-A arrived at 200 m when the clock said 20 sec.  So he was there first, and won the race.

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