At what distance from a convex lens must an object be to get a virtual image?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral