Help me find the thermal speed?

Venus' exosphere has a temperature of about 327 K. What is the thermal speed of hydrogen (in km/s) in Venus' exosphere? The mass of a hydrogen atom is 1.67 x 10^-27 kg and Boltzmann's constant is k = 1.38 × 10^-23 Joule/Kelvin. have been trying to figure out this question for a few hours now. keep... show more Venus' exosphere has a temperature of about 327 K. What is the thermal speed of hydrogen (in km/s) in Venus' exosphere? The mass of a hydrogen atom is 1.67 x 10^-27 kg and Boltzmann's constant is k = 1.38 × 10^-23 Joule/Kelvin.

have been trying to figure out this question for a few hours now. keep getting it wrong. pls help
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