Mathematics, 07.05.2020 00:58 alexdub9649
A 160-lb man carries a 25-lb can of paint up helical staircase that encircles a silo witha radius of 20 ft. If the silo is 90 ft high and the man makes exactly three completerevolution. 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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A 160-lb man carries a 25-lb can of paint up helical staircase that encircles a silo witha radius of...
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