TEACHER-GUIDE-VERIFIED · TG-V9-081

6. Normal solar-array output is 6.4 kW. A storm may reduce it by 18% while critical demand is 5.5 kW. Is output sufficient?

Verified solution

Solution: Storm output=6.4(0.82)=5.248 kW. It is not sufficient; shortfall=5.5-5.248=0.252 kW.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-081

Check Storm Output Against Critical Demand (TG-V9-081)

An 18% loss leaves 82% of 6.4 kW, or 5.248 kW. Compare with 5.5 kW demand: output is insufficient by 0.252 kW, equivalent to 252 W.

Space Math Explorers · approved worked example · 1:25 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.