Friday
February 5, 2016

Number of results: 893

Physics
A radio tunes in radio waves which have a wavelength of 3.13 meters. What frequency is the radio tuned to in MHz?
March 5, 2013 by Alex

How is Sirius XM radio different than AM/FM.. I know AM is radio transmissions created by changing the power of the carrier wave, and FM are transmissions created by changing the speed at which radio waves are generated.
October 6, 2013 by Blaze

Physics
Radio waves are electromagnetic waves that travel at a speed of 3.00 108 m/s, the speed of light. An AM radio station has an assigned frequency of 1350 kHz, which means that the radio waves broadcast by the station are at this frequency. Find the wavelength of these radio waves.
April 22, 2012 by Alex

chemistry 113
The AM band of radio waves are measured in kilohertz (kHz), which are the numbers you see on the AM radio dial. Therefore, a radio station at 610 on the AM dial has a frequency of 610 kHz or 610,500 Hz. What is the wavelength of the radio station that has a frequency of 1100 ...
January 24, 2015 by ALEX GOLD

Science
Three light beams encounter a medium. One light ray is reflected, while the other two are absorbed. How can the medium be described? Transparent Translucent Opaque or Clear In satellite communication, does the satellite... Receive radio signals Prevent radio signals Send radio...
November 30, 2013 by Tooler

sceince
hree light beams encounter a medium. One light ray is reflected, while the other two are absorbed. How can the medium be described? Transparent Translucent Opaque or Clear In satellite communication, does the satellite... Receive radio signals Prevent radio signals Send radio ...
May 16, 2014 by jjk

Math
A survey finds that 38% of kids like tv, 24% like radio, and 13% like both. A.Find percent of kids that like tv but not radio. B.Find the percent of kids that like neither tv or radio. C.Find the percent of kids like either tv or radio D.Find the conditional probability that a...
October 14, 2010 by Tom

Physics
Radio amateurs are permitted to communicate on the "10 meter band." What frequency of radio waves corresponds to a wavelengthy of 20m? (The speed of radio wave is 3.00 x 10(8)m/s). Can you help me with setting up the formula? frequency = (wave speed)/(wavelength) Divide 3*10^8...
April 10, 2007 by Trey

The FM band of radio waves are measured in megahertz (MHz), which are the numbers you see on the radio dial. Therefore, a radio station at 102.5 on the FM dial has a frequency of 102.5 MHz or 102,500,000 Hz. What is the wavelength of the radio station that has a frequency of ...
October 31, 2010 by Tamina

chemistry
We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for radio transmission is 680 kHz. How much energy does one mole of radio waves carry? X rays used by doctors to view bones are much more energetic than ...
January 22, 2011 by Maria

Physics
A transistor radio operates by means of a 9.0 V battery that supplies it with a 40 mA current. (a) If the cost of the battery is \$0.50 and it lasts for 300 h, what is the cost per kWh to operate the radio in this manner? (b) The same radio, by means of a converter, is plugged ...
April 14, 2013 by Billy

Probability
A survey finds that 38% of kids like tv, 24% like radio, and 13% like both. A.Find percent of kids that like tv but not radio. B.Find the percent of kids that like neither tv or radio. C.Find the percent of kids like either tv or radio D.Find the conditional probability that a...
October 14, 2010 by Tom

physics
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.5 MHz?
March 23, 2010 by Sean

astronomy
What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 740 kilohertz?
October 2, 2012 by Anonymous

chem
January 20, 2008 by sarah

math
a radio station broadcasts at a frequency of 590,000 . What is the wavelength of the radio waves?
November 11, 2014 by Shohanur

math
You bought one \$2 chance on an \$84 radio. Sixty chances were sold. What is the probability of your winning the radio?
April 9, 2012 by Cheril

Physics
What is the wavelength in meters of radio waves produced by a radio station with a frequency of 1400 kHz? Is it 214.3 m?
July 9, 2010 by Mary

social studies
Why is the radio important? How is it used in the present time? How does the radio make people's lives easier?
March 5, 2011 by alexander

Physics
The radio station WBRU broadcasts in the radio spectrum at 95.5 MHz. What is the wavelength of this electromagnetic wave in meters?
February 4, 2013 by Alex

June 10, 2009 by Redbone

Science again...
What other form is released by a radio. A. Heat Energy B. Mechanical Energy C. Ultraviolet Radiation UV? Can you get a tan from your radio? What is that sound...is it mechanical energy? IS the radio warm? Heat energy because c is something to do with the sun b is mechanical ...
April 17, 2007 by Missy

science
Compare optical telescopes and radio telescopes. What are the advantages of using a radio telescope over an optical one? All I can think of is, that radio telescopes can be used in any form of weather and optical telescopes can't. I'm not sure if that is enough information ...
February 12, 2012 by Bree

Math
Donald bought a clock radio .The radio weighs 18 ounces. Donald paid \$ 12 less than the normal sales price. If the normal price sales was \$ 38, how much did Donald spend on the radio?
October 29, 2015 by Jenny

Physics
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance has a value of 4.60 x 10^-7 H, determine the range of capacitance values that are needed so the antenna can pick up all the radio waves broadcasted ...
October 16, 2007 by Mary

English
(They are talking on the phone) A: You have turned up the radio. As it's too noisy, I can't hear you. B: Sorry, I will turn down the radio. ----------------------------- In this short dialogue, doesn't "it" in "it's too noisy" refer to "the radio"? ==================== The dog...
December 25, 2015 by rfvv

FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance has a value of 4.60 x 10^-7 H, determine the range of capacitance values that are needed so the antenna can pick up all the radio waves broadcasted ...
October 17, 2007 by Mary

math
The transmitter site of radio station WGGW and the transmitter site of another radio station, WGWB, are on the same highway 100 miles apart. The radio signal from the transmitter site of WGWB can be received only within a radius of 60 miles in all directions from the WGWB ...
February 11, 2012 by reena

Quick Question
I am trying to find an online radio podcast that middle school students can use to host their own radio show. Can you help me research some?
April 11, 2014 by Max

physics 2
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-...
February 24, 2013 by anonymous

Science
I was so confused by this question!! Any advice?? Suppose at a concert a singer’s voice is a radio broadcast all the wave around the world before reaching the radio you hold to your ear. This takes 1/8 seconds. If you’re close, you her her voice in the air before you hear it ...
January 25, 2010 by Lizzie

Physics
Electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second. Show that the wavelength of the radio waves that are produced is 561 m.
August 22, 2013 by Sierra

Math
Brandon buys a radio for 43.99\$ in a state where the sales tax is 7% How much did he pay in taxes ? What is the total Brandon pays for the radio?
November 9, 2014 by Sam

Chemistry-Help
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
April 30, 2012 by Liz

nutrition
Making a transceiver from sccrtah is a pretty awesome project. It can take a while, though.There's a lot of theory of operation that factors in physics and engineering.I'm a radio technician, so I'm biased, but if I were a science teacher I would be amazed if someone could ...
March 21, 2012 by YHlFMKuHz

Physics
An FM radio station broadcasts at 82.3MHz. Determine the period of the radio waves. I already go the answer: 1.22×10-8 s but help me with part b please!!! b). What is the wavelength of the waves?
November 24, 2012 by rory

physics
e AM and FM radio waves are transverse waves consisting of electric and magnetic disturbances traveling at a speed of 3.00 x 10 8 m/s. A station broadcasts an AM radio wave whose frequency is 1230 x 10 3 Hz. (1230 kHz on the dial) and an FM radio wave whose frequency is 99.1 x...
March 31, 2012 by rahul patel

Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
April 11, 2010 by Grace

Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
April 11, 2010 by Grace

Introduction to Physical Science
How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower are forced to oscillate up and down an antenna 535,000 times each second.
August 22, 2013 by Amanda

Physics
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves. i know period is just 1/freq. so what would i convert 80.9 MHz into???
November 27, 2010 by Josh

Physics
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves. i know period is just 1/freq. so what would i convert 80.9 MHz into???
November 27, 2010 by Josh

Math
a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.
November 25, 2012 by Simran kaur

Math
a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.
November 25, 2012 by Simran kaur

Media
Did The U.S. Government Fostered monopoly or oligopoly ownership throughout radio's history. Why do you think this occurred, and how do you think that policy benefited or disadvantaged the development of radio?
April 6, 2008 by Jean

CHEM!
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=10^6Hz. Calculate the broadcast wavelength of the radio station 98.30 FM.
November 2, 2008 by Kara

physics
A certain FM radio station broadcasts jazz music at a frequency of 90.7 MHz. (Radio waves are electromagnetic)? Find the waves period? I got 1.1*10^-8 and it is not right.
April 12, 2010 by phill

science
A radio acoustic sounding system (RASS) instrument uses 404-MHz radio waves (wavelength = 0.743 m). (a) What is the wavelength of the sound waves used to measure air temperature? ë = ___ m (b) If the Doppler shift of the radio wave reflected from a region several hundred ...
February 13, 2008 by Melody

Science
Astronomers believe that background radiation is left over noise from the big bang. This noise can be collected and studied using a RADIO telescope. my answer: radio
April 7, 2014 by Cassie

geometry
what is the maximum broadcasting radio from a radio tower 1800ft tall the radius of earth is 3960 miles and you can assume thtat the ground around the tower is nearly flat
January 9, 2012 by Kenny

Physics
A certain radio station broadcasts at 1430 kilohertz. This is the frequency of oscillation of electrons in the transmitting antenna producing the radio wave. Find the period of the electrons' motion.
April 20, 2012 by Alex

An AM radio statrion broadcasts atr 1060jGHZ Calculate tghe wavelength of the coressponding radio waves. Ned solution amdhow to get the answr! Thank you!
May 4, 2012 by KL

Principle of Marketing
July 19, 2014 by Kiara

Chemistry
Suppose you are standing 201 m from a radio transmitter. What is your distance from the transmitter in terms of the number of wavelengths for the following conditions? (a) The station is broadcasting at 1150 kHz (on the AM radio band)? (1 kHz = 1 multiplied by 103 Hz.) ?? ...
October 21, 2010 by Noelle

Chemistry
An AM station broadcasts rock music at "950 on your radio dial" Units for AM frequencies are given in kilhertz(kHz). Find the wavelength of the station's radio waves in meters, nanometers, and angstroms.
September 7, 2011 by Grace

Science
A space probe on the surface of Mars sends a radio signal back to earth a t a distance of 8.66 x10*7 radio waves travel at a speed of light 3.00 x 10^8 . How many seconds does it take for it to reach earth
January 21, 2016 by Sherri

how music and radio shaped american culture and values?
September 15, 2012 by pilar

Physics
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ...
February 19, 2013 by HELP !!!!

PHYSICS 2
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ...

Physics
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ...

PHYSICS
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ...

The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a shortwave radio transmitter has a fixed capacitance of 1.8 x 10-11 F and a variable inductance. If the antenna is intended to broadcast radio signals ...
February 19, 2013 by HELP !!!!

physical science
How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.
January 22, 2011 by joe

English
Hello. I've already asked this question but I'd like to clarify if the sentence "Suggest your local radio stations play our songs" sounds normal natural English (it's a command, meaning "offer our songs to radio stations", "take them to radio stations". Maybe these are better ...
April 13, 2011 by Ilma

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station,as he entered the street onto the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until he ...
September 12, 2012 by David

physics
The speed of radio waves is 3*10^8m/s, the same as the speed of light. If a spacecraft transmits a radio signal with frequency 3*10^9Hz, what is the wavelength of those waves?
February 2, 2012 by AAA

Chemistry
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1 MHz=10^6 Hz . Calculate the broadcast wavelength of the radio station 107.1 FM.
October 20, 2009 by Rose

You own a radio station. Your DJ picked up the unedited version of Ludacris’ new CD that contained some profanity. He played it during the morning version of his radio program. You are fined \$500,000. Can you sue? What court? What issues?
February 21, 2007 by Bob

English- American Lit
January 22, 2009 by Jason P

English- American Lit
January 22, 2009 by Jason P

Introduction to oPsychology
When you drive down the street listening to your car's radio, you may not think about the fact that the music is received by the radio's antenna. Which part of the human neuron serves the same purpose as asn antenna-that is, receiving information?
May 26, 2014 by unknown

precalculus
Gloria is planning to ride her bicycle near the transmitter of a radio station. She will be riding from a point 10 miles due east of the transmitter on a straight road to a point 40 miles west and 10 miles north of the transmitter. She has a radio on her bicycle which can pick...
June 10, 2013 by Anonymous

Mathematics
Since the beginning of satellite radio in 2001, the number of satellite radio subscribers has been growing very quickly. At the end of 2001, the total number of subscribers to XM Satellite radio was 27,733. By the end of 2005, the number of subscribers had grown to 5,932,957. ...
November 6, 2010 by Daisy

english
Is this antithesis? "...like rain, except its not raining..." "Like a radio or something, but its not a radio..." "...all very civilized, except this isn't civilization." examples taken from The Things They Carried by Tim O'Brien
January 17, 2013 by Kristan

Math
A sale at a electronic store offers 20% off a sony radio. If the sale price of the radio is \$45, what is the regular price?
December 19, 2010 by Lynne

math
A certain store is selling an \$80 radio \$64. If a different radio had a list price of \$200 and was discounted at 1.5 times the percent discount on the \$80 model, what would its selling price be? a) \$90 b) \$105 c) \$120 d) \$140 e) \$160
August 2, 2012 by Grace

Science
A space probe on the surface of Mars sends a radio signal back to earth a distance of 8.66x0^7 km. Radio waves travel at the speed of light (3:00x10^8 m/s . How many seconds does it take the signal to reach earth
January 21, 2016 by Sherri

Chemistry (pleas help!)
A radio wave has a wavelength of 1.0 km. What is the radio frequency? 0.30 MHz 300 KHz 3.0 MHz 30 KHz
March 25, 2011 by Otto

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station. as he enetered the street next to the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until ...
November 16, 2011 by vedrana

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station. as he enetered the street next to the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until ...
November 16, 2011 by vedrana

HCA 240
Radio Ad: Write a 150 to 200 word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorate prevention strategies such as proper nutrition (calcium, diet).
September 13, 2009 by C

Statistics and Probability
A survey shows that 25% of people listen to the radio daily. If a group of 125 people are surveyed, what is the probability that more than 40 people will have listened to the radio today?
December 3, 2012 by Alley

psychology
when kevin started his car in the parking lot, he also turned on the radio to his favorite station. as he enetered the street next to the campus, he turned the radio up due to the increased background noise in the car. entering the highway, he again increased the volume until ...
April 20, 2011 by lisa

Chemistry
A radio wave has a wavelength of 1.0 km. What is the radio frequency? 0.30 MHz 300 KHz 3.0 MHz 30 KHz
March 25, 2011 by Otto

math
The price of a radio was reduced by sh. 630. This represented a 30% discount. What was the price of the radio after the discount?
January 9, 2015 by kgk

math
The price of a radio was reduced by \$630. This represented a 30% discount. What was the price of the radio after the discount?
January 9, 2015 by kiko

MATH
Is there a shorter way to answer this question? Radio waves ina vacuum travel a distance equal to seven times the circumference of earth in 1 s. If the radius of Earth is 6 318 138.7m, what is the speed of the radio waves in kilometres per hour?
September 15, 2010 by Anonymous

HCA240
2. CheckPoint: Radio Ad • Write a 150- to 200-word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies such as proper nutrition (...
January 7, 2010 by deanna

communications
could you Write a 750- to 1,050-word paper in APA format, including citations and references, about the following statement: The U.S. government fostered monopoly or oligopoly ownership throughout radio’s history. Why do you think this occurred, and how do you think that ...
July 13, 2008 by keith

MATH
A RADIO USES THE ENERGY EQUIVALENT 1/20 TON OF COAL PER YEAR. FIND THE ENERGY EQUIVALENT IN TONS OF COAL FOR OPERATING A RADIO FOR FOUR YEARS.??
November 22, 2011 by MEL

chemistry
Radio waves travel at the speed of light which is 3.00 x 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 x 108 km from Earth?
September 12, 2010 by ashley

Math
Ms. Sue please help! A radio signal travels at 3.00 • 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 • 10^7 meters? Show your work.
June 10, 2014 by Austin

physics
The frequency of oscillation of the wave emitted by an FM radio station is 80.9 MHz. Find the period of vibration. Radio waves travel at a speed of light; 3 × 10 8 m/s. Answer in units of ns 002 (part 2 of 2) Find the wavelength. Answer in units of m
February 26, 2012 by amanda and leah

physics
Radio waves are able to diffract readily around buildings, as anybody with a portable radio receiver can verify. However, light waves, which are also electromagnetic waves, undergo no discernible diffraction around buildings. Why not?
June 26, 2008 by Anonymous

math
An ad campaign for a new snack chip will be conducted in a limited geographical area and can use TV time, radio time and newspaper ads. Information about each medium is shown below. Medium Cost Per Ad # Reached Exposure Quality TV 500 10000 30 Radio 200 3000 40 Newspaper 400 ...
February 5, 2012 by Anonymous

algebra
If the gross profit rate on the sale of a radio is 28% of the selling price, what is the gross profit rate based on the cost of the radio?
May 5, 2013 by anonymous

Science-DrBob222-Help
I’m sorry, that’s exactly the way the question is written! I was confused by it myself! I think it means: Suppose you are at a concert and a singer’s voice is radio broadcast all around the world before reaching the radio you hold to your ear. This takes 1/8 seconds. If you’re...
January 25, 2010 by Lizzie

yShanQHSqoMzjxzgyLW
cECXBe Is anybody strong in radio here? We need a colleague who would tell us briefly about the transistor T2. I hope there are radio amateurs here. If it`s not on the subject at all, then I`m sorry. I have to write because I have no choice. PS: if the spelling is not right ...
February 26, 2012 by cECXBe Is anybody strong in radio here? We need a

math
a radio uses one-third the number of watts used by lamp, and a heater that uses 15 times as many watts as a lamp. when all are in use, the total electrical power is 1.1 kilowatts how many does the radio use?
September 23, 2014 by sara

physics
The AM frequencies of a radio dial range from 550 kHz, and the FM frequencies range of 88.0 MHz to MHz. all of these radio waves travel at a speed of 3.0x10^8 m/s, what are the wavelenght ranges of a.) the aM brand b.) FM brand
November 14, 2015 by Jane

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