bewellplus.gsu.edu
Sharie Sharie
  • 05-03-2014
  • Physics
Answered

What is the velocity of an 500-kilogram elevator that has 4,000 joules of energy?

Verified Answer :

Anonymous Anonymous
  • 05-03-2014

\(E=\frac{mv^2}2 \\ 2E=mv^2 \\ v^2=\frac{2E}m \\ v=\sqrt\frac{2E}m \\ v=\sqrt\frac{8000}{500} \\ v=\sqrt{16} \\ v=4\)
4 meters per second.

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