i got (D, B)
1.) Which is not a medium through which a mechanical wave could travel?
A....
i got (D, B)
1.) Which is not a medium through which a mechanical wave could travel?
A.) liquid water
B.) oxygen gas
C.) jump rope
D.) empty space
2.) Waves from the sun .
A.) are called mechanical waves
B.) transfer energy from the sun to Earth
C.) cause the Earth to vibrate
D.) require a medium through which to travel
Answers: 2
Physics, 21.06.2019 16:20, claudia1252
Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be
Answers: 1
Physics, 22.06.2019 14:00, mariahgriego4126
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 15:00, tanaemichel
Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.
Answers: 1
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