Short Answer
Lisa runs up 4 flights of stairs in 22. seconds. She weighs 510. Newtons. If each flight rises 310. cm:
(a) What is her change in potential?
(b) What average power (watts) was required during the 22. s?
(c) What minimum horsepower motor would be required to do this?
Correct Answer:
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(a)6.32 kJ...View Answer
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Correct Answer:
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