Answer:
6.8×10^6 m
Explanation:
f = velocity of light/ wavelength
440= 3×10^8 / wavelength
so
wavelength = 3×10^7/ 44
= 6.8×10^6 m
The quicker the speed of an object, the more frequently it is hit by air molecules. this boost in frequency means the molecules push back, increasing the air resistance. If you need more help post a comment so I can help out!
Answer:
According to U.S. nuclear doctrine, the weapons’ alert level is central to their role in deterring attack. The idea is that being prepared to respond on short notice makes an enemy less likely to attack in the first place and risk retaliation that would do incalculable damage.
Answer:
a chemical reaction in the form of symbols
Explanation: