Which type of matter is likely to absorb the most sound waves? A. Metal door B. Loudspeaker C. Hot air O D. Foam wall
2 answers:
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Answer:
Explanation:
a)
Given that:
V = 25 mi/hr
To ft/sec, we have:
A = 25ft²
Recall that:
The drag force
For 70 miles per hour, we have:
The drag force