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farsi koya Grade:
        

how many uniform identical textbooks with a width of 25cm can be stacked on top of each other on a level of surface without the stack falling over,if each successive book is displaced 3 cm in width direction relative to next lower book..?

6 years ago

Answers : (1)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Farsi


25/3 = 8+ so 8 + the bottom book = 9

if the pile is 9 high, the center of gravity is still inside the bottom book.
and more so for all the books above that.

the 10th book will make the pile fall.


All the best.


AKASH GOYAL


AskiitiansExpert-IITD


 


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6 years ago
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