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?
1m = 0.5m100m = 100(0.5m)100m=50m expansionkinda like a proportion it's kinda like: if a = b, and c = d, then b = d
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