7. Complete the following statement: In general, the term Pressure refers to A) a change in volume. B) a change in length. C) a force per unit area. D) a fractional change in length. E) a force per unit length. 8. Water enters a pipe with a cross sectional area of 3.0 cm² with a velocity of 3.0 m/s. The water encounters a constriction where its velocity is 15 m/s. What is the cross sectional area of the constricted portion of the pipe? A) 0.4 cm² B) 0.6 cm² C) 9 cm² D) 0.9 cm² 2 E) 3 cm² 9. Which of the following is NOT a unit of Pressure? A) atmosphere B) Pascal C) N/m² D) lbs/in² E) N*m

Physics for Scientists and Engineers: Foundations and Connections
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Chapter15: Fluids
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Problem 54PQ: Liquid toxic waste with a density of 1752 kg/m3 is flowing through a section of pipe with a radius...
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7. Complete the following statement: In general, the term Pressure refers to
A) a change in volume.
B) a change in length.
C) a force per unit area.
D) a fractional change in length.
E) a force per unit length.
8. Water enters a pipe with a cross sectional area of 3.0 cm² with a velocity of 3.0 m/s. The
water encounters a constriction where its velocity is 15 m/s. What is the cross sectional area of
the constricted portion of the pipe?
A) 0.4 cm²
B) 0.6 cm²
C) 9 cm²
D) 0.9 cm²
2
E) 3 cm²
9. Which of the following is NOT a unit of Pressure?
A) atmosphere
B) Pascal
C) N/m²
D) lbs/in²
E) N*m
Transcribed Image Text:7. Complete the following statement: In general, the term Pressure refers to A) a change in volume. B) a change in length. C) a force per unit area. D) a fractional change in length. E) a force per unit length. 8. Water enters a pipe with a cross sectional area of 3.0 cm² with a velocity of 3.0 m/s. The water encounters a constriction where its velocity is 15 m/s. What is the cross sectional area of the constricted portion of the pipe? A) 0.4 cm² B) 0.6 cm² C) 9 cm² D) 0.9 cm² 2 E) 3 cm² 9. Which of the following is NOT a unit of Pressure? A) atmosphere B) Pascal C) N/m² D) lbs/in² E) N*m
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