What is the difference between speed and velocity? a. Speed is displacement and time
b. Speed is velocity/ displacement
c. velocity is speed and direction
d. velocity is displacement and distance

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

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Anybody wanna ? (picture included? )