anonymous
  • anonymous
A person jogs eight complete laps around a 400m track in a total time of 14.5 min.What is the average velocity?
Physics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
d = 400 m t = 14.5 min 14 min 30 sec total time will be = 870 sec it will take him to complete one track = 108.75 sec so velocity obtained per track will be v = d/t v = 400 /108.75 v = 3.7 m /s
anonymous
  • anonymous
@leon549 They don't really learn a lot if you're just making th equestion instead of helping them step by step.
anonymous
  • anonymous
average velocity is the displacement of a an object per unit time. displacment is the difference in the initial and final position in the given interval of time in which the average velocity has to be measured

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MrNood
  • MrNood
After 8 complete laps he is back where he started. Be sure you know the difference between average speed, and average velocity.
MrNood
  • MrNood
@leon549 as @thomasker says: They learn little by being given the answer, and even less when it is not correct

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