A1.0 × 103-kilogram car travels at a constant speed of 20. meters per second around a horizontal circular track. the diameter of the track is 1.0 × 102 meters. the magnitude of the car’s centripetal acceleration is

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..

when it gains or loses electrons