Wauelengths of tuso noles in air are 83 170 and 88 m. Each of these noles froduces p beals /sec ceith a third nole of a fined frequeney. finol the 142 velocily of pounol in air.
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Q: (),-), Show that: He, %3D as as
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A: Given: The radius of the earth is re =6400 km The acceleration due to gravity is g = 9.8 m/s2
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