Answer:
Explanation:
This is an RL circuit, therefore:
Impedance; z = 

Current amplitude

a)
Given that:

∴


b)
Phase constant :


The pitch of the sound of the car will appear to be <span>lower than the pitch of the car next to you</span>
sorry but i only know of 7 and 8 and the both are true
Answer:
it is long.
Explanation:
I know the answer but I don't know how to explain it
Answer: Mechanical Energy and Electrical Energy
Explanation: A generator converts mechanical energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy.