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The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed of sound in air, is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or 1 km in 2.91 s or one mile in 4.69 s.
The most noticeable aspect of lightning and thunder is that the lightning is seen before the thunder is heard. This is a consequence of the speed of light being much greater than the speed of sound. The speed of sound in dry air is approximately 343 m/s (1,130 ft/s) or 1,236 km/h (768 mph) at 20 °C (68 °F; 293 K). [19]
Strategic planning is an organization's process of defining its strategy or direction, and making decisions on allocating its resources to attain strategic goals.. Furthermore, it may also extend to control mechanisms for guiding the implementation of the strategy.
Strategic planning's role is "to realise and to support strategies developed through the strategic thinking process and to integrate these back into the business". [14] Henry Mintzberg wrote in 1994 that strategic thinking is more about synthesis (i.e., "connecting the dots") than analysis (i.e., "finding the dots"). It is about "capturing what ...
Decapitation – Achieving strategic paralysis by targeting political leadership, command and control, strategic weapons, and critical economic nodes; Deception – A strategy that seeks to deceive, trick, or fool the enemy and create a false perception in a way that can be leveraged for a military advantage
Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order. Related: 300 Trivia Questions and Answers to Jumpstart Your ...
A decade ago, the SEC was a football-first conference. Today, it is unquestionably the strongest basketball conference in the country.
A dimensionless quantity representing the ratio of the speed of an object moving through a fluid to the local speed of sound. Mach's principle The proposition that the existence of absolute rotation (the distinction of local inertial frames vs. rotating reference frames) is determined by the large-scale distribution of matter. machine