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Question: 

A 172-cm-tall person lies on a light (massless) board which is supported by two scales, one under the top of her head and one beneath the bottom of her feet (Fig. 9–64). The two scales read, respectively, 35.1 and 31.6 kg. What distance is the center of gravity of this person from the bottom of her feet?

Problem 24.

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

$90.5 \textrm{ cm from feet}$

Giancoli 7th Edition, Chapter 9, Problem 24

(2:40)

Chapter 9, Problem 24 is solved.

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