An airplane during departure has a constant acceleration of 3 m / s². a. What is the speed that the plane reaches in 4 s? b. If the plane passes at a flight point of at a speed of 20 m / s, what is the speed 8 s later?

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

mark brainliest i am trying to get to the next level!

i will be your freind and say    

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

there are no correct statementd on the list of choices you provided.