You travel in a circle, whose circumference is 8 kilometers, at an average speed of 8 kilometers/hour. if you stop at the same point you started from, what is your average velocity? 0 kilometers/hour 2 kilometers/hour 4 kilometers/hour 8 kilometers/hour 16 kilometers/hour

What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.

Is the time in tennessee the same as florida

Which of the following is a measure of the amount of light a star directly emits?               a.  luminosity    b.  intensity    c.  wavelength    d.  brightness