Agalaxy is sitting at a redshift of 7. a) what color will the galaxy appear to be at this redshift? b) what temperature does the universe have at this redshift?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Find v1, the speed of the fluid in the left end of the main pipe. express your answer in terms of h1, h2, g, and either a1 and a2 or γ, which is equal to a1a2.