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While running, you need to transfer 290 J/s of thermal energy from your body to the moisture on your skin in order to remain at the same temperature. What mass of perspiration must you evaporate each second?

Respuesta :

Olajidey

Answer:

= 1.33 × 10⁻⁴kg

Explanation:

Lets apply the formula for the evaporative enery transfer rate

H(evaporative) = -(Δm/Δt) . l₀

    = -320 J/s

   = -320W

Δm = (320Δt) /  l₀

Δt = 1

Δm = (320 * 1) / 2.4 × 10⁶

Δm =  1.33 × 10⁻⁴kg

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