katey7631 katey7631

24-05-2024
Physics

Answered

In a solar water heater, energy from the sun is absorbed by water that is circulated through tubes in a solar collector. The efficiency of such a water heater is 15%. The incident radiation from the sun has an intensity of 420 W/m². What size collector (area) is needed to heat 267 L of water from 20 C to 40 C in a time of 3 hours?

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