Current is the flow of electrons, then these electrons are quanta packet data's, whether these elctrons can be used for another type data transfer or not

Which of the statements about waves is true? a. in longitudinal waves, particles move perpendicular to the direction the wave is traveling.b. both transverse and longitudinal waves can travel through water c. electromagnetic waves are a type of longitudinal waves.d. in a transverse wave, particles move parallel to the direction the wave is traveling.

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form