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During heavy lifting, a disk between spinal vertebrae is subjected to a 4800 -N compression force. What pressure is created on the disk, in pascals,

During heavy lifting, a disk between spinal vertebrae is subjected to a 4800-N compression force.

What pressure is created on the disk, in pascals, assuming that the disk has a uniform circular cross section 1.75 cm in radius?

P =

What deformation is produced, in centimeters, if the disk is 0.75 cm thick and has a Young's modulus of 1.3 109 N/m2?

L =

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