A man runs towards a mirror at a speed \( 15 \mathrm{~m} / \mathrm{s} \) The speed of the image ...

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A man runs towards a mirror at a speed \( 15 \mathrm{~m} / \mathrm{s} \) The speed of the image relative to the man is
(a) \( 15 \mathrm{~ms}^{-1} \)
(b) \( 30 \mathrm{~ms}^{-1} \)
(c) \( 35 \mathrm{~ms}^{-1} \)
(d) \( 20 \mathrm{~ms}^{-1} \)
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