Жауабы: 34. Two 2 kg balls moving with velocities of 4 m/s and 2 m/s on a smooth horizontal surfac
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34. Two 2 kg balls moving with velocities of 4 m/s and 2 m/s on a smooth horizontal surface undergo a head-on inelastic collision, as shown in the figure. Match the kinetic energy with its magnitude
2 kg (K) -> 4 m/s
2 kg (L) <- 2 m/s
A) total kinetic energy after colision
B) total kinetic energy before colision