Answer:
Wind turbines are a source of clean renewable energy, but some people who live nearby describe the shadow flicker, the audible sounds and the subaudible sound pressure levels as "annoying." They claim this nuisance negatively impacts their quality of life
It can't. Waves must have a medium to travel through
Do u have to find z? how do yk what z is?
Changes in state of matter would be a physical change to whatever it is that you are changing so I think it would be B.Molecules because in order for something to change the molecules have to be moving apart from one another but I maybe wrong depending on what it is your looking at
As per Newton's II law we know that

rate of change in momentum is Net outside force on the object
now here we will have if net outside force will be zero
then we can say

so from above equation we can say

and hence we have

so the correct answer will be
<em>3.) in the absence of outside forces</em>