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vel of B along x= - 30 and of A along x is 15.
let B to be at rest. then net accn on A will be
g-g=0. and (vA,B)x= 45
so t = x/ 45
let B to be at rest. then net accn on A will be
g-g=0. and (vA,B)x= 45
so t = x/ 45
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