A 30.0-cm-long board is placed on a table such that its right end hangs over the edge

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A 30.0-cm-long board is placed on a table such that its right end hangs over the edge by 8.0 cm. A second identical board is stacked on top of the first, as shown in Figure Q8.22. What is the largest that the distance x can be before both boards topple over? 

FIGURE Q8.22 X 30.0 cm 8.0 cm

A. 4.0 cm 

B. 8.0 cm

C. 14 cm

D. 15 cm

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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