PLEASE HELP ME!! a police car moves at a speed of 30m / s, the driver is at a single-note frequency of 650Hz It is heard. One of the police

Question

PLEASE HELP ME!! a police car moves at a speed of 30m / s, the driver is at a single-note frequency of 650Hz It is heard. One of the police cars passes in front of someone waiting at the traffic light. approaching the other. a) approaching, b) moving away sirens wavelengths and frequencies You calculate.

in progress 0
niczorrrr 5 years 2021-08-27T20:13:20+00:00 1 Answers 15 views 0

Answers ( )

    0
    2021-08-27T20:14:50+00:00

    Explanation:

    r u trapped by the traffic ..

Leave an answer

Browse

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