A cat runs 31 m east and then turns around and runs 30 m west. What is the cat's total distance? If your final answer is in the direction of west or south indicate this with a negative
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The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

What energy transformations occur each time the skateboarder rolls up the ramp?