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Column I describes the system and initial motion of its particles and column II gives characteristics associated with subsequent motion.
(1) \( (\mathrm{i}-\mathrm{a}, \mathrm{b}) ; \); (ii - b,c,d); (iii - a,b,c,d); (iv - b,d)
(2) (i - a,d); (ii - a,b,c,d); (iii - c,d); (iv - b,e)
(3) (i-a,b,c,d); (ii \( \quad a, b, c, d) \); (iii - a,b,c,d); (iv - b,d)
(4) \( (\mathrm{i}-\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{c}) ;(\mathrm{ii}-\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}) ;(\mathrm{iii}-\mathrm{a}, \mathrm{b}) ;(\mathrm{iv}-\mathrm{a}, \mathrm{b}) \)
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