A Container Has a Vertical Tube, Whose Inner Radius Is $320 \mathrm {~kg} / \mathrm { m } ^ { 3 }$

question 58

Multiple Choice

A container has a vertical tube, whose inner radius is 12.00 mm, connected to it at its side, as shown in the figure. An unknown liquid reaches level A in the container and level B in the tube-level A being 5.0 cm higher than level B. The liquid supports a 20-cm high column of oil, between levels B and C, whose density is $320 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ The gauge pressure at level B is closest to

• A)630 Pa
• B)310 Pa
• C)470 Pa
• D)790 Pa
• E)940 Pa

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Definitions:

Estimates

Approximations or educated guesses based on current trends and data.

Expected Inflation

The anticipated rate at which the general level of prices for goods and services will rise over a period of time, affecting the purchasing power of a currency.

Short-Run Phillips Curve

A graphical representation showing the short-term trade-off between inflation and unemployment rates.

Inflation

The rate of increase in the collective pricing for goods and services, lessening consumer purchase strength.