Electric power is given by:
Power = voltage x current
10000 = 15.8V
V = 633 Volts
Answer:
The answer are B
Explanation:the two samples haves yellow color :)
Answer:
The sound travels at 
Option: c
Explanation:
Unknown source plays of middle C (fs) = 262 Hz
The sound wave from this source have to travel to raise the pitch to C sharp is (fd) = 272 Hz






Substitute the given values in the formula,




Therefore, The sound travels at 
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