Light impinges on a metal which has a work function of 2.0 eV, and electrons are
emitted with velocities up to a maximum of 6000000 m/s.
(a) What is the frequency of the light?
(b) What is the minimum frequency of light needed to produce any photoelectrons?

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