Answer to Question #337367 in Physics for Msterdom

Question #337367

An object of mass 6kg falls from a height of 90m above the ground. Calculate its total energy falling through 40m.

Expert's answer

The total mechanical energy remains the same

"E=mgh_i\\\\\n=\\rm 6\\: kg\\times 9.8\\: N\/kg\\times 90\\: m=5292\\: J"

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