XyHD.tv: Cellular Telephone

Which Cellular Carrier Is A Certain Telephone Number?

I am looking at my cellular telephone bill and think I'm being charged for calls to the same cellular company and should not be. Is theree any way I can find out whichh cellular company a specificic telephone number is with? Thanks! Diane

Answer:calling your carrier is the best bet they have everything at their fingertips

a 2150 Kg Satellite Used In A Cellular Telephone Network Is In A Circular Orbit At A Height Of 780 Km Above?

a 2150 kg satellite used in a cellular telephone network is in a circular orbit at a height of 780 km above the surface of the earth. what is the gravitational force on the satellite? what fraction is this force of the satellite's weight at the surface of the earth? This problem has to do with Newton's second law of gravitation. Please show all steps so that I know how to do similar problems in the future with that tactic.

Answer:this is pretty simple, just use the equation F = G*m1*m2/r^2 heres the constants you need: G = 6.673 * 10^-11 mass of earth = 5.9742 * 10^24 kg radius of earth = 6371 km add the orbiting height of 780 km to the earth radius to get the total distance from center of earth before plugging inot formula, then plug away. F = 16.9 * 10^3 N to find the gravitational force on the surface, just use mg, because little g is a well known number, 9.81 m/s^2 Fearth = 21.1 * 10^3 N so the fraction is F / Fearth = 0.8

cellular Telephone?

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Do All Home Schoolers Refer To Cell Phones As "mobile Cellular Telephone Devices"?

Today I spoke with a home schooler who mentioned that his mothere did not allow him to have a "mobile cellular telephone device" and he belived that it was hurting his ability to make friends. Do all home schoolers refer to cell phones as a "mobile cellular telephone device" and are you allowed/do you allow your child to have one? Why or why not?

Answer:LOL. At least this question shows your sense of humor. Every homeschooled kid I know speaks like a normal kid in person I think you're a "doubtle-agent troll": a homeschooling parent or kid who poses as a troll. You get more answers than a serious question. And one of the homeschooling users answering has you as a contact. It's also a great opportunity to respond indignantly in stilted langauge.

In What Year Was The Number Of Cellular Telephone Subscribers Exceed 90 Million?

From 1990-1997, the number of cellular telephone subscribers S(in thousands) in the US can be modeled by S=5535.33(1.413)^T (Where T is the number of years since 1990) ~Can someone help me out with this question. I will give 10 points for the best answer that I think is exceptional!Please help me! Sincerely, ~Aniyah

Answer:OK, so your equation is: S=5535.33(1.413)^T, where T is the number of years and S is the number of subscribers, in thousands. You need S to be greater than or equal to 90 million, or 90,000,000, or 90,000 thousand. So solve the equation for when S = 90,000 90,000=5535.33(1.413)^T Divide both sides by 5535.33 16.259=1.413^T Now take the log of both sides log 16.259=T*log 1.413 divide both sides by the log 1.413 (log 16.259)/(log 1.413) = T T = 1.211/0.150 T = 8.07 years So the number of cell phone subscribers exceeded 90,000 thousand (or 90 million) 8.07 years after 1990, or in the year 1998. Hope that helps.

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