Một vật nặng treo vào lò xo thẳng đứng. Khi ở vị trí cân bằng lò xo dãn 6cm. Lấy g = 10m/s2. Số dao động mà vật thực hiện được trong 1s xấp xỉ bằng

show the diagram then i will answer

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..

less than one you can't create energy