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**Unformatted text preview: **s. m 10 08 . 4 s, m 10 63 . 1 6 2 5 1-- = = v v The magnitude of the relative velocity is the sum of the speeds, s. m 10 04 . 2 5- c) The distance the centers of the spheres travel ( 29 2 1 and x x is proportional to their acceleration, and . 4 or , 2 1 1 2 2 1 2 1 x x m m a a x x = = = When the spheres finally make contact, their centers will be a distance of m, 40 2 or apart, 2 2 1 = + + R x x R m. 40 2 4 or 2 2 = + + R x x Thus, . 6 . 1 m 32 and , 4 . m 8 1 2 R x R x-=-=...

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