how are electromagnetic waves different from mechanical waves?
electromagnetic waves ar...
![Physics](/tpl/images/cats/fizika.png)
Physics, 01.11.2019 01:31, Yangster9305
how are electromagnetic waves different from mechanical waves?
electromagnetic waves are all high frequency; mechanical waves are all low frequency.
electromagnetic waves can travel through a vacuum; mechanical waves require a medium.
electromagnetic waves are visible; mechanical waves are invisible.
electromagnetic waves always reflect; mechanical waves always refract.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 09:00, cameronbeaugh
Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 09:50, blaqsafire9291
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:30, tay8556
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:00, help1572
Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
Answers: 1
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/informatica.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/ekonomika.png)