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Find the relation between acceleration o...

Find the relation between acceleration of 1 and 2.

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At any instant of time, `x_(1)+and x_(2)` be the displacements of 1 and 2 from a fixed line. Then `x_(1)+x_(2)` = constant
Differentiating w.e.t. time, `v_(1)+v_(2)=0`
Againg differentiating w.r.t. time, `a_(1)+a_(2)=0impliesa_(1)= - a_(2)`
So acceleration of 1 and 2 are equal but in opposite directions.
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