When the force on an object and the object’s displacement are in different directions, which component of the force does work?
A. The horizontal component
B. The normal component
C. The component that is parallel to the displacement
D. The component that is perpendicular to the displacement

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

By definition a socially healthy person has access to clean water in adequate living space and makes an effort to recycle