A specimen of oil having an initial volume of 580 cm3 is subjected to a pressure

Question

A specimen of oil having an initial volume of 580 cm3 is subjected to a pressure increase of 3.2 MPa , and the volume is found to decrease by 0.48 cm3 .

Chrome-MasteringPhysics: HW 1 1 Secure | https:// session. masteringphysics.com/myct/itemView?assignmentProblemID-78999582&offset-next; Exercise 11.33- Enhanced-with Solution Resources « previous | 9 of 10 next Exercise 11.33- Enhanced - with Solution Part A A specimen of oil having an initial volume of 580 cm is subjected to a pressure increase of 3.2 MPa, and the volume is found to decrease by 0.48 cm What is the bulk modulus of the material? Express your answer using two significant figures. You may want to review ( pages 347-353 For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Bulk stress and strain Submit My Answers Give Un Part B What is the compressibility of the material? Express your answer using two significant figures. -1 Submit My Answers Give Up Continue

Explanation / Answer

B = - P / (deltaV / V)

P = 3.2 MPa

deltaV = - 0.48 cm^3

V = 580 cm^3

B = (3.2 MPa) / (0.48 / 580)

B = 3866.67 MPa

B = 3.87 x 10^9 Pa ..........Ans(A)

(b) Compressibility = 1 / bulk modulus

K = 1/ (3.87 x 10^9)

K = 2.586 x 10^-10 Pa^-1

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