22. White noise is … a very loud sound a single frequency at the same time a very quiet sound

Question

22. White noise is …

a very loud sound

a single frequency at the same time

a very quiet sound

a whole bunch of frequencies at the same ttim

23: what does the law of conservation of energy state?

both of these

neither of these

energy can be created

energy can be destroyed

in progress 0
King 1 month 2021-08-01T04:21:37+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-08-01T04:23:08+00:00

    22. I believe is a whole bunch of frequencies at the same time
    23. Is neither of these

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )