Answer:
See below
Explanation:
Part a)
Frequency = No. of vibrations / Time
For Drum A:
No. of vibrations = 450 times
Time = 10 seconds
Drum A = 450 / 10
Frequency of Drum A = 45 Hz
For Drum B:
No. of vibrations = 700 times
Time = 20 secs
Frequency of Drum B = 700 / 20
Frequency of Drum B = 35 Hz
Part b:
Since frequency is directly proportional to the pitch. Hence, the drum with higher frequency will have a higher pitch. So, Drum A produces notes with higher pitches.
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Hope this helped!
~AH1807
