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hodograph

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hodograph [ˈhɒdəˌgrɑːf -græf]
n
(Physics / General Physics) a curve of which the radius vector represents the velocity of a moving particle
[from Greek hodos way + -graph]
hodographic  adj


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Thus armed, he explains the average and extremum values of variables, the central force problem, vector hodographs in planetary motion, planetary motion in Cartesian coordinates, the planetary problem in complex coordinates, Keplerian motion in the solar system, and planetary motion in three-dimensional space.
At the time, it was expected that the main threat would be straight line winds, but low level hodographs were strong, with storm-relative helicity values of 300-400 J/Kg and upper air soundings with 0-6km shear at 50-60 kts.
The shear strain ([DELTA][gamma]) after one pass through the shear plane (OO') can be determined from the velocity hodograph [9] to derive the following relation: [DELTA][gamma] = [Vs]/[V sin [phi]] = 2 cot [phi].
 
 
 
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