A body of mass m₁ moving with an unknown velocity of …, undergoes a collinear collision with a body of mass m₂ moving with a velocity … . After collision, m₁ and m₂ move with velocities of … and … , respectively. If m₂ = 0.5 m₁ and v₃ = 0.5 v₁, then v₁ is :-

Option C. Applying linear momentum conservation

Center of Mass

JEE Main 2019 · 8 Apr, Evening shift · Q6213

PhysicsMedium63×since 2002Q6213

A body of mass m₁ moving with an unknown velocity of

{v_1}\mathop i\limits^ \wedge

, undergoes a collinear collision with a body of mass m₂ moving with a velocity

{v_2}\mathop i\limits^ \wedge

. After collision, m₁ and m₂ move with velocities of

{v_3}\mathop i\limits^ \wedge

and

{v_4}\mathop i\limits^ \wedge

, respectively. If m₂ = 0.5 m₁ and v₃ = 0.5 v₁, then v₁ is :-

Center of Mass — JEE Main 2019 · 8 Apr, Evening shift · Q6213 · Alror