Why is the following situation impossible A group of campersarises at 8:30 a.m. and uses
Chapter 20, Problem 74(choose chapter or problem)
Why is the following situation impossible? A group of campersarises at 8:30 a.m. and uses a solar cooker, whichconsists of a curved, reflecting surface that concentratessunlight onto the object to be warmed (Fig.P20.74). During the day, the maximum solar intensityreaching the Earths surface at the cookers locationis I 5 600 W/m2. The cooker faces the Sun and has aface diameter of d 5 0.600 m. Assume a fraction f of40.0% of the incident energy is transferred to 1.50 Lof water in an open container, initially at 20.0C. Thewater comes to a boil, and the campers enjoy hot coffeefor breakfast before hiking ten miles and returningby noon for lunch.
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