An object at rest requires a force of 15 newtons to set it into motion. this force is greater than which force? select one of the options below as your a. tensionb. gravityc. frictiond. electromagnetice. strong nuclear force

Why don't you see your reflection in water with waves or repples

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?