subject
Physics, 26.07.2019 15:00 destany25

Mechanical (sound) waves are unable to travel through a vacuum, such as through space, but radio waves are transmitted to earth from satellites. how is this possible? a)radio waves are electromagnetic waves. b)satellites are located within our atmosphere. c)radio waves are very high energy mechanical waves. d)radio waves are changed to gamma rays for transmission.

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 04:30
Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?
Answers: 3
question
Physics, 22.06.2019 07:00
We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation
Answers: 3
question
Physics, 22.06.2019 08:00
Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=
Answers: 2
question
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
You know the right answer?
Mechanical (sound) waves are unable to travel through a vacuum, such as through space, but radio wav...
Questions
question
Social Studies, 20.10.2020 03:01
question
Chemistry, 20.10.2020 03:01
Questions on the website: 13722363