Wavelength is also measured in metres (m) - it is a length after all. The frequency, f, of a wave is the number of waves passing a point in a certain time. We normally use a time of one second, so this gives frequency the unit hertz (Hz), since one hertz is equal to one wave per second.
Spirit has 24 different baggage fees, depending on when and where you pay for it. Carry-on bags will cost $26 now if you pay for them online while booking your ticket. Spirit is the only airline to charge for carry-on bags. A first checked bag will cost $21 and a second will cost $31.Remaining bags will cost $76 each to check. The new fees apply only to members of Spirit's $9 Fare Club, who get access to the lowest fares.If you are a member of the $9 Fare Club and pay for your bags while checking in online, you'll pay $36 for your carry-on. The prices for checked bags will go from $31 to $41 to $86, depending on how many you check.arry-on bags will cost $26 now if you pay for them online while booking your ticket. Spirit is the only airline to charge for carry-on bags. A first checked bag will cost $21 and a second will cost $31. Remaining bags will cost $76 each to check.
Passengers traveling on value flights via Frontier Airlines may pre-pay the baggage fee 6 days or more prior to departure from $50 per bag/per flight for the first checked bag (per passenger). Please note that baggage fees vary based on travel date and are determined by the airline.