Engineering :: Thermodynamics

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Five people must be lifted in an elevator to a distance of 100 m. The work is found to be 341.2 kJ and the gravitational acceleration is 9.75 m/s2. The average mass per person is

[A].	65 kg	[B].	72 kg
[C].	70 kg	[D].	67.5 kg

Answer: Option C

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