Physics, 04.12.2019 07:31 InvictusPain4777
Electromagnetic and mechanical waves both transfer energy. how is an electromagnetic wave different from a mechanical wave?
question 4 options:
a. an electromagnetic wave has frequency, and a mechanical wave does not.
b. an electromagnetic wave is made of atoms, and a mechanical wave is not.
c. an electromagnetic wave can travel in a vacuum, and a mechanical wave cannot.
d. electromagnetic waves have frequencies that never change, and mechanical wave frequencies change.
Answers: 1
Physics, 22.06.2019 07:00
The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
Answers: 3
Physics, 23.06.2019 03:00
Agust of wind pushes a beach ball with a force of 9 newtons.the ball rolls 10 meters in 3 seconds. what is the power of the wind?
Answers: 1
Physics, 23.06.2019 03:00
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
Electromagnetic and mechanical waves both transfer energy. how is an electromagnetic wave different...
Mathematics, 19.08.2019 04:00
History, 19.08.2019 04:00
History, 19.08.2019 04:00
History, 19.08.2019 04:00
Chemistry, 19.08.2019 04:00
Mathematics, 19.08.2019 04:00
Mathematics, 19.08.2019 04:00
Mathematics, 19.08.2019 04:00
Physics, 19.08.2019 04:00
Biology, 19.08.2019 04:00
Mathematics, 19.08.2019 04:00
Mathematics, 19.08.2019 04:00