Approximately How Fast Is an Ion of Helium Moving If

question 13

Multiple Choice

Approximately how fast is an ion of helium moving if it is in a plasma with a temperature of 10⁸ K? m(He) = 4.002 603 u and u = 1.66 × 10−²⁷ kg.

• A) 10⁶ m/s
• B) 10⁴ m/s
• C) 10² m/s
• D) 10 m/s
• E) 1 m/s

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