An athlete does one push-up period in the process, she moves half of her body weight, 250 n, a distance of 20 cm, this distance is the distance her gravity moves when she fully extend her arms how much work did you do after one push-up

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..