You throw a rock horizontally off a cliff with a speed of 20 m/s and no significant air resistance. After 2.0 s, the magnitude of the velocity of the rock is closest to please show work

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

v=ir = 3x15 =45 v

the components of a vector are the parts of the vectors that are to each other.

b perpendicular

3. dark matter

empty space could also be a simple vacuum