Which galaxy resembles a sombrero? a. m104 b. milky way c. ngc 4414 d. andromeda

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving