1.

A 30kg hammer strikes a steel spike (nail) 2.30 cm in diameter while moving with speed 20.0 m/s. The hammer rebounds with speed 10.0 m/s after 0.110s. The average strain in the spike during the impact will be(Y=2×1011N/m2)

Answer»

A 30kg hammer strikes a steel spike (nail) 2.30 cm in diameter while moving with speed 20.0 m/s. The hammer rebounds with speed 10.0 m/s after 0.110s. The average strain in the spike during the impact will be


(Y=2×1011N/m2)





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