Does aluminum foil refract light? why?

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.

What happens when you slowly pulled the carboard?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block