He force between two long parallel conductors is 15 kg/metre. the conductor spacing is 10 cm. if one conductor carries twice the current of the other, calculate the current in each conductor.

Hey, I assumed you meant the force between conductors was 15 N/m not kg/m.  

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