engineering recuitment UPCL AE (E&M) 2021 Mock Test Engineering Mechanics Kinematics and Kinetics Impulse and Momentum
The loss of kinetic energy, during inelastic impact of two bodies having masses m1 and m2, which are moving with velocity v1 and v2 respectively, is given by
1
\(\frac{{{m_1}{m_2}}}{{2\left( {{m_1} + {m_2}} \right)}}{\left( {{v_1} - {v_2}} \right)^2}\)
2
\(\frac{{2\left( {{m_1} + {m_2}} \right)}}{{{m_1}{m_2}}}{\left( {{v_1} - {v_2}} \right)^2}\)
3
\(\frac{{{m_1}{m_2}}}{{2\left( {{m_1} + {m_2}} \right)}}\left( {v_1^2 - v_2^2} \right)\)
4
\(\frac{{2\left( {{m_1} + {m_2}} \right)}}{{{m_1}{m_2}}}\left( {v_1^2 - v_2^2} \right)\)