A Proton with a Speed of 2 $10 ^ { 5 }$

question 84

Multiple Choice

A proton with a speed of 2.0 x $10 ^ { 5 }$ m/s accelerates through a potential difference and thereby increases its speed to 4.0 x $10 ^ { 5 }$ m/s. Through what magnitude potential difference did the proton accelerate? (e = 1.60 × 10^-19 C , m_proton = 1.67 × 10^-27 kg)

• A)630 V
• B)210 V
• C)840 V
• D)1000 V
• E)100 V

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Definitions:

Social Anxiety

A condition characterized by intense fear or anxiety in one or more social situations, leading to significant distress and impaired ability to function in daily life.

Helplessness

A state in which an individual feels unable to control events affecting them, leading to a lack of motivation and depression.

Negative Outcome Expectancy

The belief or anticipation that actions or events will lead to undesirable results.

Pessimistic Attributions

The tendency to explain the causes of negative events in one's life as internal, stable, and global.