. Deep ocean cable burial concept development. Cables, Submarine; Marine engineering; Civil engineering. Thus, it can be seen that clay soils exhibit the worst case for drawbar pull requirements. In order to determine the power required to vibrate the plow (the feed shoe is isolated from the plowshare to prevent cable damage and reduce power requirements for vibration), consider a vibrating mass X = A sin 0) t where A = the amplitude 0) = the frequency Then X = A 0) cos u) t â A CO sin 00 t Instantaneous power is given by P = Fv = mxx .2 3 . = - m A u sm u t cos co t P = a2 3 A CO sin 2 0) t T
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