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A 180-lb man carries a 5-lb can of paint up a helical staircase that encircles a silo with radius 30 ft. If the silo is 40 ft high and the man makes exactly two complete revolutions, how much work is done by the man against gravity in climbing to the top? ft-lbs Need Help? Read It Watch It

A 180-lb man carries a 5-lb can of paint up a helical staircase that encircles a silo with radius 30 ft. If the silo is 40 ft high and the man makes exactly two complete revolutions, how much work is done by the man against gravity in climbing to the top? ft-lbs Need Help? Read It Watch It

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A 180-lb man carries a 5-lb can of paint up a helical staircase that encircles a silo with radius 30 ft. If the silo is 40 ft high and the man makes exactly two complete revolutions, how much work is done by the man against gravity in climbing to the top? ft-Ibs Need Help? Read It Watch It
Transcribed Image Text:A 180-lb man carries a 5-lb can of paint up a helical staircase that encircles a silo with radius 30 ft. If the silo is 40 ft high and the man makes exactly two complete revolutions, how much work is done by the man against gravity in climbing to the top? ft-Ibs Need Help? Read It Watch It
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