[" 35.A big ball of mass M,moving with v...

[" 35.A big ball of mass M,moving with velocity u "],[" strikes a small ball of mass "m" ,which is at rest."],[" Finally small ball obtains velocity u and big ball "],[" v.Then what is the value of "v],[" (1) "(M-m)/(M)u],[" (2) "(m)/(M+m)u],[" (3) "(2m)/(M+m)u],[" (4) "(M)/(M+m)u]

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[" 35.A big ball of mass M,moving with velocity u "],[" strikes a small ball of mass "m" ,which is at rest."],[" Finally small ball obtains velocity u and big ball "],[" v.Then what is the value of "v],[" (1) "(M-m)/(M)u],[" (2) "(m)/(M+m)u],[" (3) "(2m)/(M+m)u],[" (4) "(M)/(M+m)u]

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