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What is the total solar power received by the box

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Kyoto box is a simple solar oven used extensively in Africa. Assuming a square box with four reflectors of L = 75 cm, on a sunny day with direct sunlight from the zenith, what is the optimum angle ?? What is the total solar power received by the box?

If the efficiency is 70%, how long will it take to heat 1 gallon (3.785 liters) of water from 25°C to the boiling point?

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Reference no: EM13963504

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