Posted by melissa on Sunday, January 16, 2011 at 6:00pm.
How many uniform, identical textbooks of width 25.0 cm can be stacked on top of each other on a level surface without the stack falling over if each successive book is displaced 3.00 cm in width relative to the book below it?
If the books are 5.00 cm thick, what will be the height of the center of mass of the stack above the level surface?

physics  jim, Monday, April 4, 2016 at 11:21am
okay

physics  Anonymous, Saturday, November 26, 2016 at 10:02pm
divide width by displacement and add the 1st book.
25/3 = 8.33333 + 1 = 9 books
take the number of books form the 1st answer and multiply by the thickness of the books and then divide by 2. 9*5 = 45/2 = 22.5

physics  Laramie, Saturday, November 26, 2016 at 10:02pm
divide width by displacement and add the 1st book.
25/3 = 8.33333 + 1 = 9 books
take the number of books form the 1st answer and multiply by the thickness of the books and then divide by 2. 9*5 = 45/2 = 22.5
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