The pictures represent three different states of matter. which order of pictures places molecules with the most amount of motion to the least amount of motion? x → y → z z → y → x y → z → x y → x → z

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending