Which pair of quantities represent scalar quantities, and how are they different from vector quantities?
1 answer:
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Answer:
E.year₂ > E.year₁ (Second site is better)
Explanation:
Given data
The power generation is the time rate of kinetic energy which can be calculated as:
Power=ΔKE=m×V²/2
Regarding that m ∝ V.Then
Power ∝ V³ ⇒ Power=constant×V³
Since ρa is constant for both sides and Area is the same as same wind turbine is used
For First site
For second site
Calculating energy generation per year for each of two sites
E.year=Power×Operation time per year
For First site
E.year₁=Power₁×Operation time₁ per year
For Second site
E.year₂=Power₂×Operation time₂ per year
So
E.year₂ > E.year₁ (Second site is better)