When you press your remote control you can see nothing coming from it. However, cameras on certain cell phones can photograph a
small circular beam. What is the best explanation for this?
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A5 nc point charge is at the origin and a second 3 nc point charge is on the x-axis at x = 0.8 m. find the magnitude and direction of the electric field on the x-axs at x = 0.2 m. you may express the direction by letting positive field mean the positive x direction

What properties of a moving object are used in determining the object's energy of motion

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack