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need_help!
 3 years ago
If you go exactly twice round a field of perimeter 280m, what will your displacement be?
need_help!
 3 years ago
If you go exactly twice round a field of perimeter 280m, what will your displacement be?

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CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Displacement is the difference between where you end up and where you start.

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1If you go around the field exactly twice, how far are you from where you started?

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0Yes, I know that :) But what was the first and last point you went to?

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Think about it (and draw a diagram!)

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Physics 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)

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0Did he return to the same point?

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Yep. 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.

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1And that's the same as not going anywhere at all!

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0Which means zero :)) I can't believe I didn't know this one :P Thanksss!! :D

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Two primary tools for physics: math skills and common sense!

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0Math skills= Calculator!! And common sense= I think I need to work on that a bit.

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0What about this one though?

need_help!
 3 years ago
Best ResponseYou've already chosen the best response.0If you go exactly twice round a field of perimeter 340m, what is the distance you travel?

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1You know the distinction between distance and displacement?

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1Then imagine if you did twice that perimeter in a straight line, how far did you go?

CliffSedge
 3 years ago
Best ResponseYou've already chosen the best response.1(probably best to ask new questions as new threads)
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