While you are standing still on the sidewalk, you are passed by an ambulance traveling at 20.00 m/s. The ambulance’s siren produces a tone at a frequency of 950.0 Hz. The speed of sound in air is 343.0 m/s. What frequency do you hear as the ambulance approaches you?
What frequency do you hear as the ambulance moves away from you?

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The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.

Perhaps seek some professional ? it isn't very asking some children who are just trying to find out answers to homework.also, it seems professional would actually be good to you. obviously it isn't going to magically fix your depression, but it'll do something. drugs, smoking weed, it won't do much, especially if your husband is against it. if you do it he'll dislike it. but talk to him, try and get him to listen to you, and figure everything out together, okay? there's a website- maybe it can offer some ?