A 50 V Battery Is Connected to Two Parallel Metal Plates

question 60

Multiple Choice

A 5.0 V battery is connected to two parallel metal plates placed in a vacuum.An electron is accelerated from rest from the negative plate toward the positive plate.What kinetic energy does the electron have as it just reaches the positive plate?

• A)5.6 * 10^-19 J
• B)6.1 * 10^-19 J
• C)8.0 * 10^-19 J
• D)8.9 * 10^-19 J
• E)9.7 * 10^-19 J

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Definitions:

Butanoic Acid

An organic compound with the formula C4H8O2, also known as butyric acid, characterized by its unpleasant smell and occurrence in butter and animal fat.

Bromoacetone

An organic compound with the formula C3H5BrO, used in the past as a tear gas.

Bromodiiodomethane

A halogenated methanol compound with the formula CH2BrI2, often used in organic synthesis and as a dense fluid for mineral separation.

Necessary Reagents

Specific chemicals required to carry out a particular chemical reaction.