A `30.0 kg` hammer, moving with speed `20.0ms^(-1)` strikes a steel spike `2.30 cm` in diameter. The
Channel: Doubtnut
Date: 2020-07-26

A `30.0 kg` hammer, moving with speed `20.0ms^(-1)` strikes a steel spike `2.30 cm` in diameter. The hammer rebounds with speed `10.0ms^(-1)` after `0.110s.` What is the average strain in the spike during the impact.?