Physics, 05.04.2021 05:50 mallyosburn

Your friend has built a periscope out of a cardboard tube and two mirrors. When she uses it to look at signs, the letters appear normal. Why aren't the letters reversed? Explain! Urgent! Pls HELP!!
45 pts and Brainliest!
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Your friend has built a periscope out of a cardboard tube and two mirrors. When she uses it to look...