A radar emits radio waves in vacuum having wavelength 71.7 mm. What is the angular frequency of these waves (in Grad/s)? (1 Grad = 10⁹ rad) (Use c = 2.9979 × 108 m/s) Grad/s
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![### Problem Statement
A radar emits radio waves in a vacuum with a wavelength of 71.7 mm. What is the angular frequency of these waves (in Grad/s)?
- **Conversion**: 1 Grad = 10\(^9\) rad
- **Speed of light (c)**: 2.9979 × 10\(^8\) m/s
**Answer:** ______ Grad/s
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