Question: Five atoms moving along the (x) axis have (x) components of velocities (+2.1 mathrm{~m} / mathrm{s},-3.2 mathrm{~m} / mathrm{s},+4.5 mathrm{~m} / mathrm{s},-0.3 mathrm{~m} / mathrm{s}),

Five atoms moving along the $x$ axis have $x$ components of velocities $+2.1 \mathrm{~m} / \mathrm{s},-3.2 \mathrm{~m} / \mathrm{s},+4.5 \mathrm{~m} / \mathrm{s},-0.3 \mathrm{~m} / \mathrm{s}$, and $-3.1 \mathrm{~m} / \mathrm{s}$. Determine

(a) the $x$ component of the average velocity,

(b) the average speed,

(c) the rms speed.

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