Ms. brown's class is learning about physical and chemical changes. after reading the passage, the students had to pick out the model of the physical change. can you them? pick the correct model and give a reason for your choice.

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation:

you need to have a picture of the atom that way we can answer it