A quarter-pound hamburger with all the fixings has a mass of 200 g. The food energy of the hamburger (480 food calories) is 2 MJ. a. What is the energy equivalent of the mass of the hamburger? b. By what factor does the energy equivalent exceed the food energy?
Frontiers in Astronomy Week 3 Radiation- Ch. 3 Information from the skies light was the only connection to space today, light is nothing else but a form of radiation, electromagnetic waves besides probe exploration (limited to our solar system), light and electromagnetic radiation is still the main connection to cosmos other connections are the cosmic rays, neutrino and gravitational waves but the main connection is electromagnetic radiation Electromagnetic radiation transmission of electromagnetic energy through space without physical connection through varying electric and magnetic fields Ex. Light, radio signals Waves moving disturbance