If a photon transverse the path in such a way that it make moves in(x¹ - y¹) plane making an angle of Φwith x_axis of gram s. Prove that for the frame s ux² + uy² = c² where s¹ is moving with velocity v relative to s.

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.