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Home Q & A Board Science-Related Homework Help Physics
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Northa Northa
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7 years ago
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?
Textbook 
Physics

Physics


Edition: 4th
Author:
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Raj.SRaj.S
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7 years ago Edited: 2 years ago, bio_man
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3 years ago
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