An Electron Moves with a Constant Horizontal Velocity of 3

question 20

Multiple Choice

An electron moves with a constant horizontal velocity of 3.0 × 10⁶ m/s and no initial vertical velocity as it enters a deflector inside a TV tube. The electron strikes the screen after traveling 17.0 cm horizontally and 40.0 cm vertically upward with no horizontal acceleration. What is the constant vertical acceleration provided by the deflector? (The effects of gravity can be ignored.)

• A) 2.5 × 1014 m/s²
• B) 8.3 × 102 m/s²
• C) 1.4 × 104 m/s²
• D) 1.2 × 1014 m/s²

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Definitions:

Moving Average

A calculation used to analyze data points by creating a series of averages of different subsets of the full data set.

Physical Count

The process of counting and verifying actual inventory on hand to ensure accuracy in records and reports.

Inventory Reporting

The process of accounting for inventory levels, costs, and valuation in financial statements.

Dollar-Value LIFO

An inventory valuation method that uses the last-in, first-out (LIFO) principle, but adjusts for changes in the value of money, typically through the use of a price index.