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q c is impact pressure (dynamic pressure) and; p is static pressure; is the ratio of specific heat of a gas at a constant pressure to heat at a constant volume (1.4 for air) The formula to compute Mach number in a supersonic compressible flow is derived from the Rayleigh supersonic pitot equation:
At 19:22, hydrophone and radar operators aboard the German warships detected the cruiser HMS Suffolk at a range of approximately 12,500 m (41,000 ft). [25] Prinz Eugen ' s radio-intercept team decrypted the radio signals being sent by Suffolk and learned that their location had indeed been reported.
The project was to operate at 1600 mbsl [49] using remotely operated underwater vehicles (ROV) technology developed by UK-based Soil Machine Dynamics. [ 50 ] Community and environmental activists [ 15 ] launched the Deep Sea Mining Campaign [ 51 ] and Alliance of Solwara Warriors, comprising 20 communities in the Bismarck and Solomon Seas who ...