18 points! brainliest! physics! ! i need work too or explain how you got the answer. good explanation !

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.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?