subject
Physics, 09.12.2019 04:31 asialovepink2321

Which is true of a mechanical wave?

a) it must have a medium.

b) it must travel in empty space.

c) both sound and light are examples.

d) it can travel in a vacuum.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 00:20
In the derivation of rrkm theory, a factor of 1/2 is introduced when equalizing the rates of formation and decomposition of activated complex as keal-hr) = ko this is clearly against the assumption of transition state theory that states all the activated complex in the transition state iss going to the product. find the reason why this factor is introduced here.
Answers: 2
question
Physics, 22.06.2019 05:30
Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.
Answers: 1
question
Physics, 22.06.2019 05:30
What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?
Answers: 3
question
Physics, 22.06.2019 09:00
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
You know the right answer?
Which is true of a mechanical wave?

a) it must have a medium.

b) it must tr...
Questions
question
Computers and Technology, 17.05.2021 07:20
question
Mathematics, 17.05.2021 07:20
Questions on the website: 13722360