Physics, 21.05.2021 15:40 lee9724

A shotgun grain weighing 20g is shot into a wooden board 10cm thick. The speed of the grain at the entrance to the wood is 400m/s and the exit 150m/s. Determine the change in grain kinetic energy

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A shotgun grain weighing 20g is shot into a wooden board 10cm thick. The speed of the grain at the e...