A wave travelling 140 m/sec with a wavelength of 4.0 m has what frequency? Meters / Hz / seconds

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.