An Electron Is Released from Rest at the Negative Plate

question 42

Multiple Choice

An electron is released from rest at the negative plate of a parallel-plate capacitor.If the distance across the plate is 5.0 mm and the potential difference across the plate is 5.0 V,with what velocity does the electron hit the positive plate? (m_e = 9.1 x 10^-31 kg,e = 1.6 x 10^-19 C)

• A)2.6 x 10⁵ m/s
• B)5.3 x 10⁶ m/s
• C)1.0 x 10⁶ m/s
• D)1.3 x 10⁶ m/s

---

Definitions:

Discounted Cash Flow

A valuation method used to estimate the value of an investment based on its expected future cash flows, adjusted for the time value of money.

Projected Cash Flows

Estimates of the amount of money expected to move in and out of a business over a specified period in the future.

Capital Rationing

The process of selecting the most profitable projects to invest in when capital is limited.

Sales Volume

The quantity of goods or services sold or delivered in a given period.