Physics, 07.09.2020 05:01, fubowangkevin
What is the energy of an electromagnetic wave that has a wavelength of 9.0 10-6 m? Use the equation , where hc = 1.99 10-25 J•m. A. 4.5 1019 J B. 1.8 10-30 J C. 1.1 10-24 J D. 2.2 10-20 J
Answers: 3
Physics, 23.06.2019 00:50, brysonsandridge69041
Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.
Answers: 2
Physics, 23.06.2019 07:00, kaitlyn114433
What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s
Answers: 1
What is the energy of an electromagnetic wave that has a wavelength of 9.0 10-6 m? Use the equation...