I WILL MARK YOU AS BRAINLIEST IF RIGHT What is the magnitude of the net force acting on this object? And what direction?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this