An Electron Is Released from Rest at a Distance of 9.00

question 3

Multiple Choice

An electron is released from rest at a distance of 9.00 cm from a proton.If the proton is held in place,how fast will the electron be moving when it is 3.00 cm from the proton? (m_el = 9.11 × 10^-31 kg,
E = 1.60 × 10^-19 C,k = 1/4πε₀ = 8.99 × 10⁹ N • m²/C²)

• A) 75.0 m/s
• B) 106 m/s
• C) 130 m/s
• D) 1.06 × 10³ m/s
• E) 4.64 × 10⁵ m/s

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Definitions:

Driveshaft Assembly

A mechanical component used to transmit torque from the vehicle's engine to its wheels.

Chassis

The base frame of a vehicle to which various components are attached.

Center Support Bearing

A hanger bearing used to suspend the first section of a driveshaft in a double driveshaft assembly. It is required on truck driveshafts when the distance between the transmission and drive carrier exceeds 70 inches (178 cm) and consists of a rolling bearing element supported by a rubber insulator and bracket. Also known as hanger bearing.

Maximum Length

The greatest length allowed or possible for a given object, system, or dimension.