If an Electron Is Accelerated from Rest Through a Potential

question 63

Multiple Choice

If an electron is accelerated from rest through a potential difference of 1 200 V,find its approximate velocity at the end of this process.(e = 1.6 x 10^-19 C;m_e = 9.1 x 10^-31 kg)

• A)1.0 x 10⁷ m/s
• B)1.4 x 10⁷ m/s
• C)2.1 x 10⁷ m/s
• D)2.5 x 10⁷ m/s

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Definitions:

Hormones

Chemical messengers produced by glands in the endocrine system that regulate various bodily functions and processes.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Hypothalamus

A region of the brain that regulates various bodily functions including hunger, thirst, sleep, and hormonal secretions.

Testosterone

A steroid hormone primarily produced in the male testes and female ovaries, associated with the development of secondary sexual characteristics and influencing behavior.