Suppose you walk toward a mirror at 1 m/s. How fast do you and your image approach each other?

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Suppose you walk toward a mirror at 1 m/s. How fast do you and your image approach each other?

(The answer is not 1 m/s.)

2007-03-19 17:32:50 · 3 answers · asked by mothsandbutterflies 1 in Science & Mathematics ➔ Physics

3 answers

The answer in 2 m/s. When you walk towards the mirror at a speed of 1 m/s, the image in the mirror also walks towards you at a speed of 1 m/s. So the relative speed will be 2 m/s.

2007-03-19 20:12:16 · answer #1 · answered by Hari K 2 · 1⤊ 0⤋

i believe it is 1 m/s as your image never "moves" as you state the mirror is stationary because you approach it. Relative size of image in mirror may get larger but the "image" is still on the plane of the mirror..consequently you are walking toward your image 1 m/s.

2007-03-19 17:40:25 · answer #2 · answered by orion_1812@yahoo.com 6 · 1⤊ 1⤋

It will appear to step towards you and the closing speed will be 2m/s

2007-03-19 17:44:00 · answer #3 · answered by Norrie 7 · 0⤊ 0⤋