anonymous
  • anonymous
If you go exactly twice round a field of perimeter 280m, what will your displacement be?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Displacement is the difference between where you end up and where you start.
anonymous
  • anonymous
If you go around the field exactly twice, how far are you from where you started?
anonymous
  • anonymous
Yes, I know that :) But what was the first and last point you went to?

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anonymous
  • anonymous
Think about it (and draw a diagram!)
anonymous
  • anonymous
Okay! I will try :D
anonymous
  • anonymous
Physics takes some imagination. You should always help your imagination out by drawing a picture, but this one is easier than you think. (here's a hint: the perimeter of the field is irrelevant)
anonymous
  • anonymous
Did he return to the same point?
anonymous
  • anonymous
Yep. If you got exactly twice around something that's the same as going exactly once around - you'll end up in the exact same place you started from.
anonymous
  • anonymous
And that's the same as not going anywhere at all!
anonymous
  • anonymous
Which means zero :)) I can't believe I didn't know this one :P Thanksss!! :D
anonymous
  • anonymous
Two primary tools for physics: math skills and common sense!
anonymous
  • anonymous
Math skills= Calculator!! And common sense= I think I need to work on that a bit.
anonymous
  • anonymous
What about this one though?
anonymous
  • anonymous
If you go exactly twice round a field of perimeter 340m, what is the distance you travel?
anonymous
  • anonymous
You know the distinction between distance and displacement?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
Then imagine if you did twice that perimeter in a straight line, how far did you go?
anonymous
  • anonymous
(probably best to ask new questions as new threads)

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