A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the top of the stairs, what is his average power (in Watt)? g = 10m/s². h = 20 m a. 1625 b. 1875 c. 2125 d. 2375

A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him 8 seconds to reach the top of the stairs, what is his average power (in Watt)? g = 10m/s². h = 20 m a. 1625 b. 1875 c. 2125 d. 2375

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 67P: A person in good physical condition can put out 100 W of useful power for several hours at a...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

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A 95 kg man runs up a 20 m high stairs at a constant speed. If it takes him
8 seconds to reach the top of the stairs, what is his average power (in
Watt)? g = 10m/s².
а. 1625
h = 20 m
b. 1875
с. 2125
d. 2375

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