enny556054 enny556054

27-09-2016
Mathematics

Answered

what is the velocity of a 500-kilogram elevator that has 4000 joules of energy?

Verified Answer :

Anonymous Anonymous

27-09-2016

E = 1/2 m v^2
v = sqrt(2E/m)
= sqrt(24000/500)
= 4 m/s

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