Newest questions posted by some1
  1. social studies

    i need the answer too what discoveries did christopher columbus find during his exploration
  2. Physics

    A ball rolls horizontally off the edge of a tabletop that is 1.80 m high. It strikes the floor at a point 1.42 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? (b) What was its speed at the instant it