Sau-lan has a mass of 52 kg she rides the up escalator at
Sau-Lan has a mass of 52 kg. She rides the up escalator at Ocean Park in Hong Kong. This is the world’s longest escalator, by a length of 227 m and an average inclination of 31°. How much work does the escalator do on Sau-Lan?
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sau-lan has a mass of 52 kg she rides the up escalator at ocean park in hong kong this is the worldrsquos longest
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antwan raised a 120-n physics book from a table 75 cm above the floor to a shelf 215 m above the floor what was the
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