How much weight must each man support

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Q. Two men are carrying a girl on a plank that is 10 m long and weighs 200 N. If the girl weighs 445 N and sits 3 m from one end, how much weight must each man support?

Q. An audience of 1800 fills a concert hall of volume 2.2×104m^3. If there were no ventilation, by how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people (70W/person )? Assume the room is initially at 293 K.

Reference no: EM1365386

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