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There is a point object and a plane mirr...

There is a point object and a plane mirror. If the mirror is moved by 10cm away from the object, find the distance which the image will move.

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`vec(V)_(IM) = -vec(V)_(OM)`
`vec(V)_(I,G)- vec(V)_(M,G) = -vec(V)_(O,G) + vec(V)_(M,G)` ltBRgt `rArr vec(V)_(M.G) = (vec(V)_(I.G) + vec(V)_(O.G))/(2) = (vec(V)_(I.G))/(2) (:' vec(V)_(O.G) = 0)`
`(vec(V)_(I.G))/(2) = 10 hat(i) m//s`
`vec(V)_(I.G) = 20 hat(i) m//s`
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