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You must use dimensional analysis to figure out which conversion factor to use. Example: How many feet are there in 5 yards? We know there are three feet in one yard. This can be expressed as: |
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You must use dimensional analysis to figure out which conversion factor to use. Example: How many feet are there in 5 yards? We know there are three feet in one yard. This can be expressed as: |
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OR |
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Which to use?
The second expression works because the yards cancel out and we are left with feet. That's all there is to dimensional analysis.
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This page was last modified on Fri, August 30, 2002 04:56 PM
