An Electron Has a Speed of 0

question 35

Multiple Choice

An electron has a speed of 0.643c.Through what potential difference would the electron need to be accelerated (starting from rest) in order to reach this speed? (c = 3.00 × 10⁸ m/s, e = 1.60 × 10^-19 C,m_el = 9.11 × 10^-31 kg)

• A)160 kV
• B)130 kV
• C)180 kV
• D)200 kV

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Definitions:

Coniferous Forest

A biogeographic zone dominated by cone-bearing trees, such as pines, spruces, and firs, typically found in northern latitudes where temperatures can be cold.

Direct Sunlight

Sunlight that reaches the Earth's surface without being diffused or scattered, providing maximum light and warmth.

Emergent Layer

The topmost layer of vegetation in a rainforest, consisting of the tallest trees that rise above the forest canopy.

Understory

The layer of vegetation in a forest that grows at a lower height than the forest canopy, consisting of small trees, shrubs, and groundcover plants.