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**Unformatted text preview: **if coordinates had been chosen so that positive accelerations were to the left, a would be . 067 . g + b) . s m 658 . ) s m 80 . 9 ( 067 . 2 2 = c) Substituting the value of a (including the proper sign, depending on choice of coordinates) into either of the above relations involving T yields 424 N....

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