8. A wave has a wavelength of 125 meters and is moving at speed of 20m/s, what is it's frequency?

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

Which describes increasing the efficiency of energy resource

What energy transformations occur each time the skateboarder rolls up the ramp?