Coach Graves is driving down the road he is very tired from lack of sleep he drives around the corner going 77 mph he ends up going 0 mph in about 1.2 seconds what is coach graves acceleration what probably happened to coach graves

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

In the derivation of rrkm theory, a factor of 1/2 is introduced when equalizing the rates of formation and decomposition of activated complex as keal-hr) = ko this is clearly against the assumption of transition state theory that states all the activated complex in the transition state iss going to the product. find the reason why this factor is introduced here.

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.