Question

Two balls are thrown horizontal from the top of a building with speed u1 and u2 respectively in opposite direction. ​

Answer 1

Explanation:

• The four cardinal directions, or cardinal points, are the directions north, east, south, and west, commonly denoted by their initials N, E, S, and W. East and west are perpendicular to north and south, with east being in the clockwise direction of rotation from north and west being directly opposite east