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dangina [55]
3 years ago
14

John played a note on his tuba that vibrated the air 120 times per second. If you play the note for 4 seconds, how many times in

the air vibrate?
Mathematics
2 answers:
Zigmanuir [339]3 years ago
4 0

480

This is this awnser because its 120 a second, for 4 seconds so 4 times 120 = 480.


Fofino [41]3 years ago
4 0

Well the equation is rate*time=work/distance(in this case total vibrations)

Now we plug in the numbers:

(we know that 120 times per second is the rate because it uses the word per)

(4 seconds is the time because the unit is just seconds)

12*4=48*10=480

120*4=480

The answer is 480 vibrations

Hope this helps :)



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