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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A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?