hinacat87
21.12.2019 •
Mathematics
A160-lb man carries a 15-lb can of paint up a helical staircase that encircles a silo with radius 25 ft. the silo is 80 ft high and the man makes exactly two complete revolutions. suppose there is a hole in the can of paint and 2 lb of paint leaks steadily out of the can during the man's ascent. how much work is done by the man against gravity in climbing to the top?
suppose there is a hole in the can of paint and 9 lb of paint leak steadilyout of the can during the ascent. how much work is done?
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