Dao động điều hoà Theo Pt : x=6 cos(4π+π/6) a) xác định : A, T, f,
b) tìm pha dao động tại thời điểm t=1s
c) tọa độ của chất điểm t=7,5s

The horse latitudes-high-pressure zones about 30 degrees north and 30 degrees south of the equator.-warm air traveling away from the equator cools and sinks-weather tends to be clear and drythe doldrums-low-pressure near equator-air rises and spreads out toward the poles-rising moist air produces clouds and heavy rainthe westerlies-blow from the west-move from the horse latitudes toward the poles.-bring storms across much of the united statesthe tradewinds-blow from the east-move from the horse latitudes toward the equator  -strong, steady winds

Fitness is the ability to perform only very light levels of physical activity.