Mathematics, 26.02.2020 21:50 emilyplays474

A 90 k g shopper is standing on an escalator that makes a 25 ∘ incline with the horizontal. The escalator carries the shopper to the next floor, a height 30 m above ground level, at a constant speed. Calculate the work that the escalator does on the shopper.

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A 90 k g shopper is standing on an escalator that makes a 25 ∘ incline with the horizontal. The esca...

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