A Surface Has the Shape of the Cone $z = \sqrt { x ^ { 2 } + y ^ { 2 } }$

question 120

Multiple Choice

A surface has the shape of the cone $z = \sqrt { x ^ { 2 } + y ^ { 2 } }$ between $z = 0$ and $z = 1$ with the density function $\rho ( x , y , z ) = 1 - z$ . Find the mass of the surface.

• A) \(\sqrt { 2 } \pi\)
• B) \(\frac { \sqrt { 2 } \pi } { 3 }\)
• C)\(6\)
• D)\(1\)
• E)\(2 \sqrt { 2 } \pi\)
• F)\(2 \pi\)
• G)\(\frac { 2 \sqrt { 2 } \pi } { 3 }\)
• H)\(0\)

---

Definitions:

Clinical Trials

Research studies that test new medical interventions or drugs on volunteers to assess their efficacy and safety before they are made available to the public.

Meaningful Use Performance Measures

Benchmarks set under healthcare policy to encourage the use of electronic health records (EHRs) and technology to improve patient care.

Tickler File

A chronologic file commonly used as a follow-up method for a particular date.

Cross-Index

A method used in organizing and referencing information, where data is linked between different resources or sections for easier retrieval.