a brass rod 1.0 long expands 0.5 cm

Physics
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a brass rod 1.0 long expands 0.5 cm when it's temperature is increased a certain amount. By how much will a brass rod 100m long expand with the same change of temperature?

Oct 6th, 2014

1m = 0.5m
100m = 100(0.5m)
100m=50m expansion

kinda like a proportion it's kinda like: if a = b, and c = d, then b = d

choose me best

Oct 6th, 2014

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