ianball025
27.04.2021 •
Physics
The uniform rectangular stone block with b=1.2mand h=0.9mis released from rest with its center of mass Gdirectly above the supporting corner. Determine the angular velocity ′of the block about the corner Aimmediately after impact assuming that Aremains in contact with the ground. Also assume that contact occurs at the corners only and that no slipping takes place. What fraction |ΔE|/Eof energy is lost in the impact?
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Ответ:
270joules
Explanation:KE = 1/2mv^2
KE = 1/2(60kg)(3.0)^2 = 270 Joules