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freshbox
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Homework Statement
From my textbook there is a note that says " A reference datum must always be define in order to obtain the height h. I don't quite understand what is it trying to tell me.
I already had define my datum 1 as position 1 and datum 2 as position 2.
On my 2nd diagram , I made a red line, is that the Height that I need to find?
The Attempt at a Solution
Working for Block position 2
E2=K2+G2+S2
=1/2(10)v^2 + 10(9.81)(-h) + 0
Thanks.
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