I can't make sense of this question. Julie's throwing the ball, so it's leaving her rather than arriving at her ???
Answer:
the kinetic energy is less after a substance changes from liquid to gas
Explanation:
the kinetic energy is greater after a substance changes from a solid to liquid
Answer:
x = 1, y = 1 and z = 0
Explanation:
Given equation;

Boyle's law states that at constant temperature, the volume of a fixed mass of gas is inversely proportional to its pressure.
Mathematically the law is written as;

From the given equation, the values of x, y and z that will match this law is calculated as follows;
