Lecture_24_web_2007

Lecture_24_web_2007 - Quiet please ladies and gentlemen The...

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Quiet please ladies and gentlemen The lecture is about to begin n
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Stationary c of m
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A 20 kg person is standing at the far end of a 4m long, 40kg heavy canoe. If the water is calm and the person walks to the front end of the canoe, Q. What is the change in position of the canoe’s center of mass? Center of mass: problem solving Pi x Ci x Pf x Cf x d ( 29 ( 29 P Pi C Ci cm i P C m x m x x m m + = + ( 29 ( 29 P Pf C Cf cm f P C m x m x x m m + = + ( 29 ( 29 cm i cm f x x = P Pi C Ci P Pf C Cf m x m x m x m x + = + ( 29 ( 29 P Pi Pf C Cf Ci m x x m x x - = - ( 29 P C m l d m d - = 4 l m = cf ci x x - = d pi pf x x - = d l - + +
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A 20 kg person is standing at the far end of a 4m long, 40kg heavy canoe. If the water is calm and the person walks to the front end of the canoe, Q. What is the change in position of the canoe’s center of mass? Center of mass: problem solving Pi x Ci x Pf x Cf x d ( 29 ( 29 cm i cm f x x = P Pi C Ci P Pf C Cf m x m x m x m x + = + ( 29 ( 29 P Pi Pf C Cf Ci m x x m x x
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This note was uploaded on 04/07/2012 for the course PHYS 111 taught by Professor Dr.jackman during the Fall '07 term at Waterloo.

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Lecture_24_web_2007 - Quiet please ladies and gentlemen The...

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