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OpenStudy (anonymous):
Brianna weighs 425 N. She climbs a flight of stairs to a height of 8 m. It takes her 6 seconds. How much work does Brianna do when she climbs the stairs? A. 3400 J B. 53 J C. 71 J D. 2550 J
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OpenStudy (anonymous):
Work=Force x displacement
OpenStudy (anonymous):
(time does not matter)
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