engineering recuitment ISRO Scientific Assistant Physics 2020 Physics Center of Mass and Linear Momentum Conservation of Linear Momentum
Two masses mA and mB moving with velocities VA and VB in opposite directions collide elastically. After that the masses mA and mB move with velocity VB and VA respectively. The ratio (mA/ mB) is
1
1
2
\(\frac{{{V_A} + {V_B}}}{{{V_A} - {V_B}}}\;\)
3
\(\frac{{{V_A} - \;{V_B}}}{{{V_A} + \;{V_B}}}\;\)
4
\(\frac{{{V_A}}}{{{V_B}}}\;\)