spacecraft receive a radio signal from an
![subject](/tpl/images/cats/fizika.png)
Physics, 18.08.2019 23:30 FavvBella84
Astronauts traveling toward earth in a fastmoving
spacecraft receive a radio signal from an
antenna on earth. compared to the frequency
and wavelength of the radio signal emitted from
the antenna, the radio signal received by the
astronauts has a
(1) lower frequency and a shorter wavelength
(2) lower frequency and a longer wavelength
(3) higher frequency and a shorter wavelength
(4) higher frequency and a longer wavelength
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 22:30
Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5
Answers: 2
You know the right answer?
Astronauts traveling toward earth in a fastmoving
spacecraft receive a radio signal from an
spacecraft receive a radio signal from an
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.08.2019 08:10
![question](/tpl/images/cats/istoriya.png)
History, 20.08.2019 08:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.08.2019 08:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.08.2019 08:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.08.2019 08:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.08.2019 08:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.08.2019 08:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.08.2019 08:10
![question](/tpl/images/cats/biologiya.png)
Biology, 20.08.2019 08:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.08.2019 08:10
![question](/tpl/images/cats/en.png)
English, 20.08.2019 08:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)