All of them apply because they all are doing some thing to move
Answer:
The least efficient light bulb is the first one (25 W - 210 Lumen)
Explanation:
Efficiency can be defined as what you want to obtain over what you need to produce it. In this case Eff= Wattage / Lumen. For each light bulb, their efficiency is: 8.4 / 11.12 / 15.7 Lum/W
The answer is B. It is locked up in glaciers and ice caps.
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Answer:
Explanation:
This is an RL circuit, therefore:
Impedance; z = 
Current amplitude
a)
Given that:
∴
b)
Phase constant :
