A Rock Is Suspended from a Scale Reads 20

question 46

Multiple Choice

A rock is suspended from a scale reads 20.0 N.A beaker of water (having a density of 1000 kg/m³) is raised up so the rock is totally submerged in the water.The scale now reads
12.5 N.What is the density of the rock?

• A)1.60 × 10³ kg/m³
• B)2.50 × 10³ kg/m³
• C)2.33 × 10³ kg/m³
• D)3.00 × 10³ kg/m³
• E)2.67 × 10³ kg/m³

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Definitions:

Holding Currency

The practice of keeping money in the form of cash or liquid assets as opposed to investing or depositing it.

MPC

Marginal Propensity to Consume refers to the proportion of an increase in income that gets spent on consumption of goods and services, as opposed to being saved.

Aggregate Demand

The total quantity of goods and services demanded across all sectors of an economy under certain economic conditions and price levels.

Aggregate-Demand Curve

A graphical representation showing the total quantity of goods and services demanded across all levels of prices in the economy.