Use the information on page 261 to explain how complex numbers are related to quadratic equations. Explain how the a and c must be related if the equation a x 2 + c = 0 has complex solutions and give the solutions of the equation 2 x 2 + 2 = 0.

Physics 2 for Engineering Week 4 Notes 26 September – 29 September Chapter 23 Electric potential energy is a scalar quantity Unit is Joules (J) Potential energy for two point charges assuming U = 0 waen r = infinaty U = kQq / r Review: F = kQq / r 2 E = kq / r 2 Electric potential is a scalar quantity Unit of electric potential...