If ?P = 0.3 MPa and ?S = -0.45 MPa, the resulting ? is
A) +0.75 MPa.
B) -0.75 MPa.
C) -0.15 MPa.
D) +0.15 MPa.
E) -0.42 MPa.
Answer: C
If ?P = 0.3 MPa and ?S = -0.45 MPa, the resulting ? is
A) +0.75 MPa.
B) -0.75 MPa.
C) -0.15 MPa.
D) +0.15 MPa.
E) -0.42 MPa.
Answer: C
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