An Electron Is Sent at High Speed Toward a Gold

question 9

Multiple Choice

An electron is sent at high speed toward a gold nucleus (charge +79e) .What is the electrical force acting on the electron when it is 3.0 × 10−¹³ m away from the gold nucleus? (e = 1.6 × 10−¹⁹ C,k_e = 8.99 × 10⁹ N·m²/C²)

• A) 2.1 × 10−⁶ N
• B) 2.0 × 10−⁴ N
• C) 0.20 N
• D) 20 N

---

Definitions:

Inspiratory Phase

The Inspiratory Phase is the period of the respiratory cycle during which air is inhaled into the lungs.

Expiratory Phase

The part of the respiratory cycle where air is expelled from the lungs.

Pale Nasal Mucosa

A condition where the lining of the nose appears lighter in color, which can be a sign of dehydration or other medical conditions.

Clubbing

Bulging of the tissues at the nail base caused by insufficient oxygenation at the periphery, resulting from conditions such as chronic emphysema and congenital heart disease.