Two-Dimensional Motion: an Electron Moves with a Constant Horizontal Velocity

question 7

Multiple Choice

Two-dimensional motion: An electron moves with a constant horizontal velocity of and no initial vertical velocity as it enters a deflector inside a TV tube. The electron strikes the screen after traveling horizontally and 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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