Please help with the "process" of solution When the person steps out of the shade she exposes about 1/3 of her exposed surface area to direct sunlight and the temperature of this exposed skin rises to 39°C. It is close to sunset, so the sun is shining more or less horizontally and the atmosphere attenuates its intensity to only 25% of its normal value of 1360 W m–2. On top of that, the person’s pale skin reflects 60% of the sun’s rays which are predominantly in the visible part of the electromagnetic wave spectrum.

Estimate, just roughly, how the person’s overall radiative exchange of energy with her environment (including the sun) changes as a result of stepping out of the shade.

Answer：Radiation loss from area exposed to sun will rise from 18 W to 37 W, while absorbing additional 136 W from sunlight.

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

Amethod of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.

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