A Sphere with Radius 2

question 9

Multiple Choice

A sphere with radius 2.0 mm carries +1.0 μC of charge distributed uniformly throughout its volume.What is the potential difference,V_B - V_A,between point B,which is 4.0 m from the center of the sphere,and point A,which is 9.0 m from the center of the sphere? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A)1200 V
• B)-1200 V
• C)140 V
• D)-0.45 V

Recognize the relationship between energy efficiency, energy use, and GDP.

Gain insights into how electricity companies manage production costs amidst demand fluctuations.

Understand the role and viability of alternative energy sources in the context of depleting traditional fuels.

Comprehend the objectives of natural resource economics towards maximizing net benefits and minimizing externalities.

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Definitions:

Cubic Meter

A unit of volume in the International System of Units, representing the volume of a cube with edges one meter in length.

Liter

A metric unit of volume equal to one cubic decimeter, commonly used to measure liquids and other volumes in the scientific and commercial worlds.

Snowmelt

The process of snow and ice melting, often contributing to river flow in many parts of the world, and can lead to flooding if rapid.

Groundwater

Water that collects or flows beneath the Earth's surface, filling the porous spaces in soil, sediment, and rock formations.