How much work is done by nonconservative forces

Reference no: EM13250348

A 2000 kg elevator initially is moving with speed 2 m/s as it passes the 5th °oor. Ten seconds later it is traveling up at 8 m/s as it passes the 3rd °oor. The 3rd °oor is 10 m below the 5th °oor. How much work is done by nonconservative forces during the 10 second interval?

Reference no: EM13250348

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