The way that scientists ensure that data is reliable Clear Explanation
Answer:
it depends on what you wanna get
if its chicken nuggies then mcdonalds
if its bomb a.ss tacos that taste pretty good but with meat that looks like literal sh.it then probably tacobell
The simplest answer would be "acceleration due to gravity."
The exact value of this acceleration changes depending on which planet your on (for example).
Mechanical energy = potential energy + kinetic energy
The ball is on the ground so it has no potential energy. that's all i know.
Statement three i do believe