subject
Physics, 29.01.2020 14:48 decoreyjpaipxv

Why do sound waves move faster through the ground than through the air?

particles of matter are packed more loosely in the ground than in the air.

particles of matter are packed more tightly in the ground than in the air.

air doesn’t contain any particles of matter to transmit sound waves.

the elevation of the ground is lower than the elevation of the air space.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 21:40
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
Answers: 1
question
Physics, 22.06.2019 05:00
At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.
Answers: 2
question
Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
question
Physics, 22.06.2019 05:30
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
Answers: 3
You know the right answer?
Why do sound waves move faster through the ground than through the air?

particles of ma...
Questions
question
Mathematics, 27.01.2021 17:30
question
Social Studies, 27.01.2021 17:30
question
Mathematics, 27.01.2021 17:30
question
French, 27.01.2021 17:30