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Lecture07

# Lecture07 - Chapter 9 Center of mass and linear momentum...

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Chapter 9 Center of mass and linear momentum 1 PHYS 2101, P.M.Shikhaliev LSU, Fall 2010

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Sample problem 2 h H M m x y Soda cane with mass M and height H has a soda with mass m and at a level of h . Find center of mass of the cane with soda.
Sample problem 2 h H M m x y Soda cane with mass M and height H has a soda with mass m and at a level of h . Find center of mass of the cane with soda. Solution: X-coordinate of COM is zero due to symmetry. To find Y-coordinate of COM we consider cane and soda as two different independent point like masses with known coordinates. Then What happens if h = 0 , or h = H ?

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Sample problem 3 a b c y com x y z A closed box has edges a , b , and c . How much its center of mass will shift if the cap of the box is removed.
Sample problem 3 A closed box has edges a , b , and c . How much its center of mass will shift if the cap of the box is removed. a b y com x y z c Solution We locate coordinate system at the center of the box.

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Lecture07 - Chapter 9 Center of mass and linear momentum...

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