A Pair of Charged Conducting Plates Produces a Uniform $\vec { E }$

question 99

Multiple Choice

A pair of charged conducting plates produces a uniform $\vec { E }$ field of 12,000 N/C,directed to the right,between the plates.The separation of the plates is 40 mm.An electron is projected from plate A,directly toward plate B,with an initial speed of v₀ = 2.0 × 10⁷ m/s.What is the speed of the electron as it strikes plate B? (e = 1.6 × 10^-19 C,m_electron = 9.11 × 10^-31 kg)

• A)1.2 × 10⁷ m/s
• B)1.5 × 10⁷ m/s
• C)1.8 × 10⁷ m/s
• D)2.1 × 10⁷ m/s
• E)2.4 × 10⁷ m/s

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Definitions:

Dishonored Note

A promissory note that has not been paid by the maker when due, leading to a default.

Interest Revenue

Income earned by an entity for lending its money or letting another entity use its funds.

Journalize Transactions

The process of recording business transactions in a company's journal, thereby providing a chronological record of financial activities.

Accrued Interest

Interest that has been earned but not yet paid, accumulating on bonds, loans, or any interest-bearing assets.