Question #274176

An object hits the ground travelling at 40 ms-1 . It is brought to rest in 0.02 s . What is its acceleration ?


1
Expert's answer
2021-12-02T10:05:54-0500

v=v0ata=v0/t=40/0.02=2000 (m/s2)v=v_0-at\to a=v_0/t=40/0.02=2000\ (m/s^2) . Answer

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