5. (1.5 points) A 180 pound person carries a 25 pound can of paint up a helical staircase that encircles a tower with a radius of 20 feet. The tower is 90 feet high and makes exactly three complete revolutions. If there is a hole in the can of paint and 9 pounds of paint leaks steadily out of the can during the person’s ascent, how much work is done by the person against gravity in climbing the stairs?

How many times did thomas edison mess up the light bulb

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.