Q: The length of a rod is 0.45m. It expands to a length of 0.47m.
Find the expansion as a percentage of its original length.
??? Please help if possible.
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It seems too simple, thanks though!
I think percentage increase in length
=[change in length/orig. length] X100
so, it should be=[0.02/0.45] X 100
am I correct??
Thank you so much sumit2009, you've just confirmed the answer for me.
I thought it was 4.44%
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