ch09-p045 - 45. Our notation (and, implicitly, our choice...

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45. Our notation (and, implicitly, our choice of coordinate system) is as follows: the mass of one piece is m 1 = m ; its velocity is 1 ˆ (3 0m / s ) i v =− G ; the mass of the second piece is m 2 = m ; its velocity is 2 ˆ / s ) j v G ; and, the mass of the third piece is m 3 = 3 m . (a) Conservation of linear momentum requires () 01 12 23 3 3 ˆˆ 03 0 i 3 0 j 3 mv m v m v m v m m mv =+ + ¡
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