Two bodies having masses m 1 and m 2 and velocity u _ 1 and u _ 2 collide and form a composite system. If m _ 1 u _ 1 + m _ 2 u _ 2 =0 ( m _ 1 m _ 2 ), the velocity of composite system will be :

Two bodies having masses m 1 and m 2 and velocity u _ 1 and u _ 2 collide and form a…

Physics · JEE Advanced · NTA Exams — Laws of Motion

Two bodies having masses m₁ and m₂and velocity \(\overrightarrow{\mathrm{u}}_{1} \text { and } \overrightarrow{\mathrm{u}}_{2}\) collide and form a composite system. If \(\mathrm{m}_{1} \overrightarrow{\mathrm{u}}_{1}+\mathrm{m}_{2} \overrightarrow{\mathrm{u}}_{2}=0\) \(\left(\mathrm{m}_{1} \neq \mathrm{m}_{2}\right),\) the velocity of composite system will be :

\(\overrightarrow{\mathrm{u}}_{1}-\overrightarrow{\mathrm{u}}_{2}\)
\(\overrightarrow{\mathrm{u}}_{1}+\overrightarrow{\mathrm{u}}_{2}\)
\(\frac{\overrightarrow{\mathrm{u}}_{1}+\overrightarrow{\mathrm{u}}_{2}}{2}\)
zero

Answer

(D) zero

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Two bodies having masses m 1 and m 2 and velocity u _ 1 and u _ 2 collide and form a…

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