Suppose You Wanted to Hold Up an Electron Against the Force

question 12

Multiple Choice

Suppose you wanted to hold up an electron against the force of gravity by the attraction of a fixed proton some distance above it.How far above the electron would the proton have to be? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²,e = 1.6 × 10^-19 C,m_proton = 1.67 × 10^-27 kg,m_electron = 9.11 × 10^-31 kg)

• A)1.5 m
• B)2.3 m
• C)3.7 m
• D)4.6 m
• E)5.1 m

---

Definitions:

Payments

Transactions of money or its equivalent from one individual, business, or entity to another as a form of exchange or settlement.

Use Of Money

The concept referring to the opportunity cost of holding money without earning interest, or the benefits foregone by not investing or spending it.

Investment

The allocation of resources, usually financial, in the expectation of a future return. This can include investing in stocks, bonds, real estate, or other financial assets.

Payments For Capital

The returns or disbursements made to fund providers in a business, typically in the form of interest or dividends.