If the above box was lifted in 3s, what was the power used? A car has a mass of 20,000kg. How much energy would be needed to lift the car 5m?
You apply a force of 3,000N to the lever of the jack. The car rises 0.25m. The lever on the jack goes down 3.2m. What is the force on the car?

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

The fertilized egg  begins to develop into a hollow ball of cells called the blastocyst. 

Answerlosing electrons;