Two equal spheres \( B \) and \( C \) each of mass \( m \), are in contact on a smooth horizonta...
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0Two equal spheres \( B \) and \( C \) each of mass \( m \), are in contact on a smooth horizontal table.
A third sphere \( A \) of same size
as that of \( B \) or \( C \) but mass \( m / 2 \)
them with a velocity \( u \) and is itself brought to rest.
The loss of KE during collision is
(1) \( \frac{m u^{2}}{8} \)
(2) \( \frac{m u^{2}}{6} \)
(3) \( \frac{m u^{2}}{3} \)
(4) \( \frac{m u^{2}}{2} \)
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