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The escape velocity form the earth surface in km S-1 is____________________?

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Hydraulic brakes work on the principle of The number of waves per second in a sound is called ________ of that sound. Which component of an IED creates an electrical charge? Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm 2 and made of a material of resistivity 200m. The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?