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  2. United States Army Physical Fitness Test - Wikipedia

    en.wikipedia.org/wiki/United_States_Army...

    Another person will hold your ankles with the hands only. No other method of bracing or holding the feet is authorized. The heel is the only part of your foot that must stay in contact with the ground. Your fingers must be interlocked behind your head and the backs of your hands must touch the ground. Your arms and elbows need not touch the ground.

  3. Miles per hour - Wikipedia

    en.wikipedia.org/wiki/Miles_per_hour

    Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour.It is used in the United Kingdom, the United States, and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.

  4. Chip log - Wikipedia

    en.wikipedia.org/wiki/Chip_log

    Many ships used knots spaced 8 fathoms (48 feet or 14.6 meters) apart, while other ships used the 7-fathom prescription. [8] The time interval needs to be adjusted according to the distance between knots. Substituting 6,000 feet for 1 mile, the above formula yields 28.8 seconds for a distance of 8 fathoms.

  5. Helene rumbles into Georgia as dangerous Cat 1 hurricane ...

    www.aol.com/helene-strengthens-category-2...

    Head of FEMA to take first-hand look at storm impacts. FEMA Administrator Deanne Criswell will visit Florida on Friday to assess the impacts of the storm and report back to Biden.

  6. True airspeed - Wikipedia

    en.wikipedia.org/wiki/True_airspeed

    Here the speed is displayed both in knots (kn) and miles per hour (mph). The true airspeed (TAS; also KTAS, for knots true airspeed) of an aircraft is the speed of the aircraft relative to the air mass through which it is flying. The true airspeed is important information for accurate navigation of an aircraft.

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  8. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    For example, 10 miles per hour can be converted to metres per second by using a sequence of conversion factors as shown below: = . Each conversion factor is chosen based on the relationship between one of the original units and one of the desired units (or some intermediary unit), before being rearranged to create a factor that cancels out the ...

  9. Inch per second - Wikipedia

    en.wikipedia.org/wiki/Inch_per_second

    1 inch per second is equivalent to: = 0.0254 metres per second (exactly) = 1 ⁄ 12 or 0.08 3 feet per second (exactly) = 5 ⁄ 88 or 0.056 81 miles per hour (exactly)