Enjoy! #FF-This hashtag mostly shows up on Fridays, which should give you a good indication of what one of the Fs means. The other stands for Follow, and the two combine to make the phrase Follow Friday.. Follow Friday is essentially a Twitter holiday with the aim of getting people to follow one another.
Technical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.echnical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.
If the magnetic field in a traveling EM wave has a peak magnitude of 17.5 nT at a given point, what is the peak magnitude of the electric field? The electric field is 8 9 E cB = = Ã Ã = (3.00 10 m s 17.5 10 T 5.25V m. )(â) 5. What is the frequency of a microwave whose wavelength is 1.60 cm?The frequency of the microwave is 10 ()() 82 3.00 10 m s1.88 10 Hz.1.60 10 m cf Î» â Ã= = = ÃÃ 20.he electric field is 8 9 E cB = = Ã Ã = (3.00 10 m s 17.5 10 T 5.25V m. )(â) 5. What is the frequency of a microwave whose wavelength is 1.60 cm? The frequency of the microwave is 10 ()() 82 3.00 10 m s1.88 10 Hz.1.60 10 m cf Î» â Ã= = = ÃÃ 20.