The doppler effect to explain the redshift of light from stars and galaxies, which provides evidence
that the universe is expanding
that the universe is collapsing
of cosmic microwave background radiation
for primordial helium gases

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it