In your own words, explain how the cobe mission and wmap mission provided evidence for the big bang theory.

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47