The Doppler effect indicates that the universe is expanding because. Which phrase best completes the sentence.

Question 4 options:

light from other galaxies is the same color

light from other galaxies is the different color

light from other galaxies is blue shifted

light from other galaxies is red shifted

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

Could someone me find the answer to this problem.