A softball of mass 0.3 kg strikes a hard wall perpendicularly with an initial speed of 35 m/s. The softball is in contact with the wall for 0.03 seconds, and then rebounds straight back with a speed of -15 m/s. What average force was applied to the softballby the wall? ​

When seismic waves hit a fault, the waves are reflected off the fault. seismograph can detect these reflected seismic waves. geologists then use these data to map the fault's length and depth

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 ?