- If light has no mass, how does it have energy?

Discover Questions

Solve for the variable in the equation 3(-2-3x)=-9x - r? What is the difference between series circuit and parallel circuit? An any carries food at a speed of 1cm/s. How long will it take an ant to carry a cookie crumb from the table to ant hill a distance of 50m.? How does speed of orbit change as you move further away from the Sun? Can somebody explain the principle beind making a dimmer switch which can manipulate voltage while keeping a consistent current?