The Linear Density of a Rod, in G/m, Is Given $\lambda=40.0+30.0 x$

question 23

Multiple Choice

The linear density of a rod, in g/m, is given by $\lambda=40.0+30.0 x$ . The rod extends from the origin to x = 0.400 m. What is the mass of the rod?

• A)0.213 g
• B)3.50 g
• C)3.84 g
• D)18.4 g
• E)20.8 g

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Definitions:

Ceteris Paribus

A Latin phrase meaning "all other things being equal," used to isolate the effect of one variable in economic analysis.

Law Of Demand

An economic principle stating that as the price of a good increases, demand for that good decreases, and vice versa, all else being equal.

Prices Fall

A market condition where the cost of goods and services decreases over time.

Ceteris Paribus

A Latin phrase meaning "all other things being equal," used in economics to isolate the effect of one variable on another by holding all other relevant factors constant in an analytical context.