A Container Has a Vertical Tube, Whose Inner Radius Is $900 \mathrm {~kg} / \mathrm { m } ^ { 3 }$

question 63

Multiple Choice

A container has a vertical tube, whose inner radius is 20.00 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 $900 \mathrm {~kg} / \mathrm { m } ^ { 3 }$
The density of the unknown liquid is closest to

• A) \(3600 \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• B) \(3900 \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• C) \(3100 \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• D) \(3300 \mathrm {~kg} / \mathrm { m } ^ { 3 }\)
• E) \(2800 \mathrm {~kg} / \mathrm { m } ^ { 3 }\)

---

Definitions:

Antitrust Law

Legal regulations designed to promote competition and prevent monopolistic practices by prohibiting unfair business practices and mergers that significantly reduce competition.

Exempt

Status or conditions that provide immunity or exception from a general rule, such as certain incomes being exempt from tax.

Regulatory Bodies

Organizations or agencies established by a government to enforce specific laws, regulate sectors, and ensure compliance with legal standards.

Price Discrimination

A selling strategy that charges customers different prices for the same product or service, not justified by differences in cost.