a war jet 2500kg travel at constant velocity of 500 m per second the height of jet from the ground is 200 kilo meter what is mechanical energy of jet​

What are similarities and differences of reflection, refraction, diffraction and absorption?

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor