Monochromatic electromagnetic radiation illuminates an area of a surface. the electric andmagnetic fields of the waves are then doubled in magnitude. how is the total energy incident on the surface per unit time affected by this increase in electric and magnetic fields?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?