9. A radio station is broadcasting radio signals with a frequency of 1.023 x 108Hz. It travels through air at a speed of 2.997 x 10 m/s. Solve for the length of these radio waves.
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- Two astronauts are 1.30 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves. The time it takes for sound waves to travel at 354 m/s through the air between the astronauts equals the time it takes for the electromagnetic waves to travel to the earth. How far away from the earth is the spaceship?Visible light corresponds roughly to the range of wavelengths from 400 nm (violet) to 700 nm (red). 1 nm = 1 nanometer = 10-9 m. What is the frequency of visible light at a wavelength of 600 nm? f= Hz Enter your answer above using scientific notation with the format x.yzEq = x.yz x109. For example, 1.23 x 10-9 is entered as 1.23E-9. What is the wavelength of a visible light wave with a frequency of 4.64 x 10¹4 Hz? λ = nmK:13)