The Figure Shows an Arrangement of Two Particles Each Having

question 40

Multiple Choice

The figure shows an arrangement of two particles each having charge Q = -6.8 nC and each separated by 5.0 mm from a proton.If the two particles are held fixed at their locations and the proton is set into motion as shown, what is the minimum speed the proton needs to totally escape from these particles? (m_proton = 1.67 × 10^-27 kg, e = 1.60 × 10^-19 C, k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A) 2.2 × 10⁶ m/s
• B) 4.3 × 10⁶ m/s
• C) 8.3 × 10⁶ m/s
• D) 1.7 × 10⁷ m/s

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Return on Total Assets

A financial ratio that measures the profitability of a company in relation to its total assets.

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The percentage at which an individual or corporation is taxed on their income.

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The cost incurred by an entity for borrowed funds, typically reported on the income statement as a non-operating expense.

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A financial metric expressing the percentage of revenue remaining after all operating expenses, interest, taxes, and preferred stock dividends have been deducted from a company's total revenue.