A block of  mass `0.50 kg` is moving with a speed of `2.00 cm^(-1)` can a smooth surface .
Channel: Doubtnut
Date: 2020-07-05

A block of  mass `0.50 kg` is moving with a speed of `2.00 cm^(-1)` can a smooth surface . It strikes another mass of `1.00 kg ` and then they move togather as a single body . The energy  less charing the collision is