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April 19, 2014

Search: radio

Number of results: 1,024

Physics
A radio tunes in radio waves which have a wavelength of 3.13 meters. What frequency is the radio tuned to in MHz?
Tuesday, March 5, 2013 at 10:20pm by Alex

Radio
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.
Sunday, October 6, 2013 at 3:22pm 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.
Sunday, April 22, 2012 at 7:36pm by Alex

science
Radio waves do not go through a solid object like the moon, hence the other side of the moon from the Earth is a radio shadow area. Interestingly the moon can act as a radio reflector and it is possible to bounce radio signals sent from Earth off the moon, and receive them ...
Saturday, January 1, 2011 at 4:26pm by Dr Russ

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...
Saturday, November 30, 2013 at 2:46am by Tooler

math
In a certain week a radio manufacture makes two types of portable radio,type A (mains) and type B (bettery).Let x be the number of type M radio and y be the number of type B radios.write down the constraints to the linear programming prblem given.
Tuesday, November 8, 2011 at 7:13am by Keobakile

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 ...
Sunday, April 14, 2013 at 9:10pm by Billy

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 ...
Saturday, January 22, 2011 at 11:39am by Maria

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...
Thursday, October 14, 2010 at 3:32pm by Tom

chemistry please help
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 ...
Sunday, October 31, 2010 at 9:58pm by Tamina

astronomy
What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 740 kilohertz?
Tuesday, October 2, 2012 at 7:39pm by Anonymous

physics
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.5 MHz?
Tuesday, March 23, 2010 at 8:25pm by Sean

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...
Thursday, October 14, 2010 at 4:36pm by Tom

chem
An FM radio station broadcasts at 97.4 MHz. Calculate the wavelength of the corresponding radio waves.
Sunday, January 20, 2008 at 11:42pm by sarah

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?
Friday, July 9, 2010 at 12:19am 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?
Saturday, March 5, 2011 at 4:52pm by alexander

math
You bought one $2 chance on an $84 radio. Sixty chances were sold. What is the probability of your winning the radio?
Monday, April 9, 2012 at 4:33pm by Cheril

Business Algebra
After running various advertisements, you have received the statistics from each advertising outlet. A total of 800 ads were run. The following lists the breakdown of each: 380 ads were run over the radio. 240 ads were run in the newspaper. 300 ads appeared on the Internet. ...
Wednesday, June 10, 2009 at 10:21pm by Redbone

Business Algebra
After running various advertisements, you have received the statistics from each advertising outlet. A total of 800 ads were run. The following lists the breakdown of each: 380 ads were run over the radio. 240 ads were run in the newspaper. 300 ads appeared on the Internet. ...
Wednesday, June 10, 2009 at 10:21pm by Redbone

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...
Tuesday, April 10, 2007 at 11:45pm by Trey

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 ...
Sunday, February 12, 2012 at 3:00pm by Bree

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 ...
Tuesday, April 17, 2007 at 5:26pm by Missy

Physics
The radio station WBRU broadcasts in the radio spectrum at 95.5 MHz. What is the wavelength of this electromagnetic wave in meters?
Monday, February 4, 2013 at 6:10pm by Alex

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 ...
Saturday, February 11, 2012 at 9:57pm by reena

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-...
Sunday, February 24, 2013 at 3:57pm by anonymous

Science
I was so confused by this question!! Any advice?? Suppose at a concert a singerís 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 youíre close, you her her voice in the air before you hear it ...
Monday, January 25, 2010 at 6:16pm by Lizzie

government
The "private radio industry" is radio stations, almost all of which are privately owned. There are also certain frquency bands allotted to amateur radio, cell phones, TV, police etc. The FCC sells rights to certain commercial frequencies and regulates their use, to avoid ...
Tuesday, January 29, 2008 at 2:22pm by drwls

Chemistry-Help
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
Monday, April 30, 2012 at 12:01pm by Liz

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.
Thursday, August 22, 2013 at 6:07pm by Sierra

phyics
The answer will depend upon whether the radio is connected via the internet or satellite radio, and whether the station uses electronic signal delay to edit profanity. Many do. If these possibilities are ignored, the time for the sound to get to the listener from the stage is ...
Thursday, March 17, 2011 at 11:45pm by drwls

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 ...
Wednesday, March 21, 2012 at 8:48pm by YHlFMKuHz

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 ...
Tuesday, October 16, 2007 at 11:20pm by Mary

Physics
A radio station broadcasts at a frequency of 600 kHz. Knowing that radio waves have a speed of 3.00 x 10^8 m/s, what is the wavelength of these waves?
Tuesday, April 10, 2007 at 11:45pm by Anonymous

Physics please help!
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 ...
Wednesday, October 17, 2007 at 11:19am by Mary

physics
It is a radio signal. Originally, radios were refered to as wireless sets. The term radio has an interesting orgin http://www.sciencefriday.com/segment/06/24/2011/science-diction-the-origin-of-the-word-radio.html
Sunday, October 7, 2012 at 9:36am by bobpursley

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?
Sunday, April 6, 2008 at 4:38pm by Jean

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 ...
Sunday, February 26, 2012 at 9:25am by cECXBe Is anybody strong in radio here? We need a

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? Ž = ___ m (b) If the Doppler shift of the radio wave reflected from a region several hundred ...
Wednesday, February 13, 2008 at 10:55pm by Melody

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 !
Sunday, April 11, 2010 at 2:44pm 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 !
Sunday, April 11, 2010 at 2:45pm 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.
Thursday, August 22, 2013 at 8:39pm by Amanda

Grand Canyon University
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.
Thursday, August 22, 2013 at 6:07pm by Edward

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.
Sunday, November 25, 2012 at 11:15pm 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.
Sunday, November 25, 2012 at 11:15pm by Simran kaur

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
Monday, April 7, 2014 at 10:50pm by Cassie

music and radio
how music and radio shaped american culture and values?
Saturday, September 15, 2012 at 9:58pm by pilar

Physical Science
Radio waves and then also it could be infrared or microwave cause they are longer than any other type of waves. Radio is used in radio transmission - by taking large wavelengths and conducting them by using antennas to cover large distances. Microwaves are used in all wireless...
Thursday, September 5, 2013 at 9:07am by Danny

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
Monday, January 9, 2012 at 7:27pm 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.
Friday, April 20, 2012 at 12:02pm by Alex

Chemistry-Answer & Solution please!~
An AM radio statrion broadcasts atr 1060jGHZ Calculate tghe wavelength of the coressponding radio waves. Ned solution amdhow to get the answr! Thank you!
Friday, May 4, 2012 at 8:53pm by KL

Photography club
Glad to hear there is no identifying information in that post. A ham is a radio nut, as in ham radio. Amateur radio operator. My first transmitter cost $3.16 (for parts--but that was 1947 prices), I built it myself, it had an input of between 3 and 5 watts (on a good day--that...
Wednesday, April 2, 2008 at 11:00pm by DrBob222

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.
Monday, April 12, 2010 at 12:01pm by phill

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?
Saturday, November 24, 2012 at 11:35am by rory

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.
Wednesday, September 7, 2011 at 1:09am by Grace

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 ...
Tuesday, February 19, 2013 at 8:17pm by HELP !!!!

Physics Please
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 ...
Tuesday, February 19, 2013 at 8:28pm 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 ...
Friday, February 22, 2013 at 8:14pm by Please HELP

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 ...
Saturday, February 23, 2013 at 3:02pm by Please HELP

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 ...
Sunday, February 24, 2013 at 12:19am by Please HELP

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.) ?? ...
Thursday, October 21, 2010 at 5:40pm by Noelle

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 ...
Wednesday, April 13, 2011 at 2:49pm by Ilma

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?
Sunday, December 19, 2010 at 2:00pm by Lynne

history
I don't think radio and movies simplified life for most Americans. Think about nearly everyone listening to the radio and going to movies.
Friday, March 27, 2009 at 9:55pm by Ms. Sue

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???
Saturday, November 27, 2010 at 3:48pm 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???
Saturday, November 27, 2010 at 3:48pm by Josh

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 ...
Wednesday, September 12, 2012 at 10:26am by David

English- American Lit
Hi can you please help me with John Cheever's Enormous Radio. I'm having trouble understanding what it was in the story that helped create our national identity of the time (1947) is it the new radio that Jim bought his wife? please help me.
Thursday, January 22, 2009 at 8:00pm by Jason P

English- American Lit
Hi can you please help me with John Cheever's Enormous Radio. I'm having trouble understanding what it was in the story that helped create our national identity of the time (1947) is it the new radio that Jim bought his wife? please help me.
Thursday, January 22, 2009 at 9:34pm by Jason P

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
Thursday, January 17, 2013 at 11:32pm by Kristan

College Math
A survey of 100 people to determine their preferred source of information gave the following results: 65 watched television 39 read the newspaper 39 listened to the radio 20 watched television and read the newspaper 27 watched television and listened to the radio 9 read the ...
Saturday, September 17, 2011 at 2:03pm by Anonymous

CHEM!
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz.Calculate the broadcast wavelength of the radio station 105.9 FM.
Sunday, November 2, 2008 at 11:29am by kashi

CHEM!
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz. Calculate the broadcast wavelength of the radio station 105.9 FM.
Sunday, November 2, 2008 at 11:29am by kashi

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?
Monday, December 3, 2012 at 6:39pm 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 ...
Wednesday, November 16, 2011 at 2:55pm 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 ...
Wednesday, November 16, 2011 at 3:50pm by vedrana

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. ...
Saturday, November 6, 2010 at 8:43pm by Daisy

Business Law
You own a radio station. Your DJ picked up the unedited version of Ludacrisí 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?
Wednesday, February 21, 2007 at 3:37pm by Bob

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 ...
Wednesday, April 20, 2011 at 4:07pm by lisa

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.
Sunday, November 2, 2008 at 11:29am by Kara

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?
Sunday, September 12, 2010 at 7:52pm by ashley

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.??
Tuesday, November 22, 2011 at 11:14pm by MEL

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?
Thursday, February 2, 2012 at 7:34pm by AAA

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?
Wednesday, September 15, 2010 at 8:07pm by Anonymous

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...
Monday, June 10, 2013 at 5:32pm by Anonymous

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 radioís history. Why do you think this occurred, and how do you think that ...
Sunday, July 13, 2008 at 9:47pm by keith

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
Friday, March 25, 2011 at 7:24pm by Otto

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?
Sunday, May 5, 2013 at 7:08pm by anonymous

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...
Saturday, March 31, 2012 at 10:50am by rahul patel

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).
Sunday, September 13, 2009 at 11:08am by C

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
Friday, March 25, 2011 at 3:49pm by Otto

history
The U.S. government hasn't had much control over radio stations for over 50 years. Your answers are correct. We could also add that if only one or a few companies owned all of the radio stations, then our freedom of speech could be severely curtailed.
Monday, September 3, 2007 at 5:19pm by Ms. Sue

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?
Thursday, June 26, 2008 at 5:28pm by Anonymous

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.
Tuesday, October 20, 2009 at 10:03pm by Rose

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
Thursday, August 2, 2012 at 5:20pm by Grace

Science
distance=veloctiy *time 50lightyears= 1lightyear/year * time time= 50 years. Duh. radio telescopes have to collect enough energy to overcome the energy in background radiation, so radio telescopes are big.
Wednesday, June 20, 2012 at 7:38pm by bobpursley

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.
Saturday, January 22, 2011 at 8:04pm by joe

Science-DrBob222-Help
Iím sorry, thatís 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 singerís voice is radio broadcast all around the world before reaching the radio you hold to your ear. This takes 1/8 seconds. If youíre...
Monday, January 25, 2010 at 9:32pm by Lizzie

HCA240
2. CheckPoint: Radio Ad ē 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 (...
Thursday, January 7, 2010 at 4:25am by deanna

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
Sunday, February 26, 2012 at 7:38pm by amanda and leah

Physics
A radio station broadcasting on a frequency of 106 MHz is received by an astronaut headed toward the station at a speed 4.0◊107 m/s. To what frequency must the astronaut's radio be tuned?( use MHz for final unit answers)
Thursday, April 8, 2010 at 11:01pm by Archillis

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