A spiral staircase in a building is in the shape of a helix ofradius 5 meters. Between
Chapter 18, Problem 36(choose chapter or problem)
A spiral staircase in a building is in the shape of a helix ofradius 5 meters. Between two floors of the building, thestairs make one full revolution and climb by 4 meters. Aperson carries a bag of groceries up two floors. The combinedmass of the person and the groceries is 70 kg andthe gravitational force is 70g downward, where g is theacceleration due to gravity. Calculate the work done bythe person against gravity.
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