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, 22.06.2019 10:00
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Physics, 22.06.2019 12:00
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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Physics, 22.06.2019 20:40
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Physics, 23.06.2019 02:00
How many electrons does each element require in its valence shell to become stable?
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What is the energy of an electromagnetic wave that has a wavelength of 9.0 10-6 m? Use the equation...
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