Think about multiplying each speed by a factor to calculate kinetic energy at that speed. Is there a common factor that works for every speed? If so, what’s this factor?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

The three types is stress that act on earths rocks are compression, tension, and