Um caixote de 4,0 kg é lançado da base de um plano inclinado com uma energia cinética inicial de 16 J. Ao longo da subida do plano, de 30° de inclinação, a força de atrito vale 30% do peso do caixote. Nestas condições, calcule a distância
percorrida pelo caixote até parar.

Don't smoke.it ruins your life.confront your husband on how you are feeling and why you're depressed.weed is never the answer.there are so many more options out there for depression.weed will make the depression worse.so, stay clean and you will have support

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 ?