During a brisk run, an adult human generates heat at a rate of about 1420 w. to remove this heat by evaporative cooling, what mass of water per second m/t must be evaporated from the body as sweat? the latent heat of vaporization of water at 37 °c (typical body temperature) is 24.2 × 105 j/kg.
their final velocity is 0.48 m/s.
we can use conservation of momentum to calculate the magnitude of the final velocity.
momentum before collision is equal to the momentum after collision
here, v is final velocity , assuming right side velocity as positive, and left side velocity as negative.
here, negative sign indicates that they both will move in left direction.
the observation and hypothesis stage
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