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2 identical small spheres A n B of mass m each r connectd 2gether by a light n inxtensibl string of length 2L n system is placed at rest on asmooth horizontal surfac ,L distanc a part . d ball B is imparted speed v along +ve x- axis.
1.respectiv speeds of A n B as soon as d string bcoms taught are?
2.vel of com of system aftr d string bcoms taught?
3. if  t is d tym in wich momentum of A changs to a value calculatd in qn 1,then avg force acting on A is?
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Moderation Team
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