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# EM Waves

### Wavelength of an electromagnetic wave is measured at 600m

The wavelength of an electromagnetic wave is measured to be 600m. What is the frequency of the wave?

### Frequency of a green light, and wavelength of radio waves

The speed of electromagnetic waves through vacuum or air is 3X10^8m/sec. Find the frequency of the green light with a wavelength of 5.4X10^-7m and the wavelength of radio waves broadcast at 900 kilohertz.

### Periodic Waves: Transverse Wave, Amplitude, and Distance

The speed of a transverse wave on a string is 450 m/s, while the wavelength is 0.18m. The amplitude of the wave is 2.0mm. How much time is required for a particle of the string to move through a total distance of 1.0 km?

### How do ontological questions relate to the philosophical project?

Although philosophy is divided into discrete inquiries, these areas have synergistic relationships and dependencies. Ontological issues are arguably the most important, serving as the ground of inquiries and repository for historical findings.