What is the wavelength of a radio wave if the frequency 2000 Hz?

Asimply means that over time there was some sort of change.

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

Which levels of government establish and implement educational requirements for minors