An Electron Is Sent at High Speed Toward a Gold

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