Water Flows Through a Horizontal Pipe of Cross-Sectional Area $10.0 \mathrm {~cm} ^ { 2 }$

question 34

Multiple Choice

Water flows through a horizontal pipe of cross-sectional area $10.0 \mathrm {~cm} ^ { 2 }$ at a pressure of 0.250 atm
with a flow rate is 1.00 L/s. At a valve, the effective cross-sectional area of the pipe is reduced to $5.00 \mathrm {~cm} ^ { 2 }$ What is the pressure at the valve? The density of water is $1000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ , and treat it as an ideal incompressible fluid.

• A) 0.157 atm
• B) 0.110 atm
• C) 0.200 atm
• D) 7700 pa
• E) 0.235 atm

Grasp the principles of social exchange theory, including cost-benefit analysis in altruistic behaviors.

Identify and explain the dynamics of social traps and their societal impact.

Recognize the importance of the reciprocity norm in social interactions and its influence on behavior.

Understand conflict dynamics and approaches to conflict resolution.

---

Definitions:

FICA-Medicare

The part of the Federal Insurance Contributions Act tax that is specifically allocated to fund Medicare, the United States’ federal health insurance program for individuals who are 65 years of age and older, certain younger people with disabilities, and people with End-Stage Renal Disease.

W-3 Forms

A tax form used in the United States to transmit a summary of all W-2 forms issued by an employer to the Social Security Administration.

Total Federal Income Tax

The sum of all taxes owed to the federal government by an individual or entity in a fiscal year after deductions and credits.

FICA-OASDI

Stands for Federal Insurance Contributions Act - Old Age, Survivors, and Disability Insurance; it's a payroll tax that funds Social Security and Medicare in the United States.