A. 68.0Hz
B. 225.0Hz
C. 1000Hz
D. 750.0Hz
Correct Answer: Option C
C. 1000Hz
Explanation
V = s/t=900/3=300m\s
f = v/π=300/0.30
= 1000Hz
A. 68.0Hz
B. 225.0Hz
C. 1000Hz
D. 750.0Hz
Correct Answer: Option C
C. 1000Hz
Explanation
V = s/t=900/3=300m\s
f = v/π=300/0.30
= 1000Hz
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