The amplitude of the electric field of an electromagnetic wave is 249. V/m. What is the amplitude of the magnetic field of the electromagnetic wave

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Ways that industry and agriculture use physical properties to separate substances

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.