A cat walks directly toward a large plane mirror at a constant speed of

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Problem

A cat walks directly toward a large plane mirror at a constant speed of 0.80 m s−10.80\,\text{m}\,\text{s}^{-1}. At what speed does the cat perceive its own image approaching it? (a) 0.80 m s−10.80\,\text{m}\,\text{s}^{-1} (b) 3.2 m s−13.2\,\text{m}\,\text{s}^{-1} (c) 1.6 m s−11.6\,\text{m}\,\text{s}^{-1} (d) 0.00 m s−10.00\,\text{m}\,\text{s}^{-1}

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