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Estimate the average thermal energy of a...

Estimate the average thermal energy of a helium atom at (i) room temperature (`27 ^(@)C`). (ii) the temperature on the surface of the Sun (6000 K), (iii) the temperature of 10 million kelvin (the typical core temperature in the case of a star).

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(a) `6.2 xx 10^(- 21) J` (b) `1.24 xx 10^(-19) J` (c) `2.1 xx 10^(-16)J`
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