Some builder decide to measure their personal power ratings using apparatus they already have on site. Fig. 21 shown the arrangement they use. (b) He can develop the same power olimbing ladder, whoso rung are 30cm apart. How many rungs can he climb in 5s
number of rungs :

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "