A runner runs around a track consisting of two parallel lines 96 m long connected at
the ends by two semicircles with a radius of 49 m. She completes one lap in 100
seconds. What is her average speed?
1.45 m/s
2.9 m/s
5.0 m/s
0.49 m/s

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation