The speed of sound is determined by the temperature and density of the medium through which it travels. Based on the speed data above, which choice below lists the media in order from most to least dense?


A. Wood, water, air

B. Air, water, wood

C. Air, wood, water

D. Wood, air, water

Answer:

The Answer is gonna be True

Explanation : A hydrogen bond is a weak type of force that forms a special type of dipole-dipole intermolecular attraction when a hydrogen atom is bonded directly to one of the most electronegative elements like nitrogen (N), oxygen (O) or fluorine (F). This causes the hydrogen to acquire a significant amount of positive charge.

Or

Hydrogen bond is an attractive force between a partially positive charged hydrogen and a partially negative charged atom (oxygen and nitrogen). This is a very weak bond and strength of hydrogen bond (5-10 Kcal per bond) is much less than the strength of covalent bond. Hydrogen bonds are usually showed as dotted lines between two atoms.

This is the Answer for your question :3

I hope you are having a great day ❤️❤️❤️❤️❤️

Answer: The attraction of opposite charges between hydrogen and oxygen does not form a weak bond because oxygen-hydrogen makes hydrogen bonding. Hydrogen bonding is a very attraction force

This minimum value is 223.9 m.

​

The attribute of motion of an item travelling a circular path is characterised as centripetal acceleration. Centripetal acceleration is defined as any item travelling in a circle with an acceleration vector pointing towards the centre of that circle.

The acceleration felt when moving in a uniform circular motion is known as centripetal acceleration. It always points toward the rotational centre. It is parallel to the linear velocity. The centripetal force is measured in an inertial frame of reference, whereas the centrifugal force is measured in a non-inertial frame of reference. Centripetal force is directed towards the axis of rotation or the centre of curvature, whereas centrifugal force is directed away from the circle's centre.

To learn more about centripetal acceleration, here

https://brainly.com/question/14465119

#SPJ4

Answer:

0.495m

Explanation:

The kinetic energy of the stone will be equal to the work done by the spring

Mathematically;

W = KE

1/2ke² = 1/2mv²

ke² = mv²

k is the spring constant = 150N/m

e is the extension

m is the mass = 0.015kg

v is the velocity = 70m/s

Substitute

150e² = 1/2 * 0.015 * 70²

150e² = 36.75

e² = 36.75/150

e² =  0.245

e = √0.245

e = 0.495m

Hence the extension of the catapult is 0.495m

Magnetic Resonance Imaging is a technique for producing precise pictures of the brain that uses radio waves and the magnetic fields of the body.

A magnetic field and radio waves produced by a computer are used in the medical imaging procedure known as magnetic resonance imaging (MRI), which produces precise pictures of your body's organs and tissues.

The noninvasive medical imaging procedure known as magnetic resonance imaging, or MRI, creates precise pictures of virtually every internal bodily structure, including the organs, bones, muscles, and blood arteries. A sizable magnet and radio waves are used in MRI scanners to produce pictures of the human body.

To know more about Magnetic Resonance visit :

brainly.com/question/20371187

#SPJ4

Torque is one of the key ideas to comprehend in order to solve problems with rotational motion. Torque is the tendency of a force to produce or change rotational motion.

Torque is a measure of an engine's capacity to control a load and generate a certain level of power to turn the engine on its axis. which is an important part of an automobile engine's power-generating process. Per foot (ft) of rotation about a single point, the force is expressed in pounds (lb).

The force that can cause an object to revolve around an axis is measured in torque. In linear kinematics, force causes an item to accelerate, and torque causes an object to produces the angular acceleration of an object. A vector quantity is a torque.

To know more about torque visit:-

https://brainly.com/question/6855614

#SPJ4

Answer:

Motion is used to describe physical properties, while movement is used to describe the qualities of motion.

1.7×10^2 m

The student was 1.7×10^2 m far from the speaker.

The distance that sound waves travel is mostly influenced by the temperature and pressure of the ocean, even though sound travels through water at a far faster rate than it does through air.

The change in pressure that a sound wave causes when it is measured at a particular location is related to the amplitude of the wave. If the amplitude grows, the sound is heard as louder, and if it drops, it is heard as quieter.

The pace at which a wave moves has nothing to do with its amplitude. Waves A and B move forward at the same speed. Only changes in the characteristics of the medium a wave travels through can change its speed.

To know more about sound wave visit:

https://brainly.com/question/1749964

#SPJ4

To calculate the distance between the loudspeaker and the student, we can use the speed of sound in air, which is approximately 340 meters per second (m/s) at standard temperature and pressure (STP).

The formula to calculate distance is:

distance = speed x time

where distance is the distance between the loudspeaker and the student, speed is the speed of sound in air, and time is the delay that was observed between the time the sound wave left the loudspeaker and the time it reached the student.

distance = 340 m/s x 0.50 s

distance = 170 m

So, the distance between the loudspeaker and the student is 170 meters.

This answer corresponds to (2) 91.7 x 102m.

It's worth mentioning that sound speed can be affected by temperature, humidity, and atmospheric pressure which can cause slight variations from the standard 340 m/s at STP.

To know more about sound wave visit:

brainly.com/question/1749964

#SPJ4

The total distance that the truck travels is 11.7 km

Part (a)

The algebraic sum of the various distances results in the total distance covered by the trucks.

DT = d1 + d2 + d3

So, total distance that the truck travels = 1.4 + 7.7 + 2.6 = 11.7 km

Part (b) Question is missing :

(b) What are the magnitude (in km) and direction of the truck's displacement? (Enter a number.)

magnitude   #?   km

direction? east, west or neither.

The quickest route taken by the object to get from one spot to another is called displacement.

As the truck travels in three directions, from east to west to east, it begins out from the east. Think of the east as being good and the west as being negative. As a result, the displacement can be calculated as shown below.

D =d1 - d2 + d3 = 1.4 - 7.7 + 2.6 = 1.4 - 5.1 = -3.7 km

Here, the negative sign shows that the truck has displaced in the west direction.

Learn more about displacement here :

brainly.com/question/11934397

#SPJ4

Because the charges at rest are unable to produce a magnetic field, neither of the two stationary charges will do so.

There is no magnetic field created when a charge is stationary since there is no motion inside the charge. Thus, nothing except an electric field is created.

Charges that are at rest can also feel the electric force. Charges in motion can experience magnetic force. Therefore, the electric field must not be zero and the magnetic field may or may not be zero if a charged particle at rest experiences an electromagnetic force.

To know more about magnetic field, visit,

https://brainly.com/question/14411049

#SPJ4

Answer:

5

Explanation:

1

Answer:

I believe the answer is triangle

Hope it helps!

Answer:

A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More p recisely, one light-year is equal to 9,500,000,000,000 kilometers

When 13.7-N force is being applied to the block parallel to the surface it will remain at rest, and the force of friction will be about 13.7 N. Hence option B is correct.

The resistive force of friction (Fr), which pushes the items together, is divided by the normal or perpendicular force (N), which pushes them apart, to produce the coefficient of friction (fr), which is a numerical value. The following formula represents it: fr = Fr/N.

Force which prevents one solid object from rolling or slipping over another. Although frictional forces can be advantageous, such as the traction required to walk without slipping, they also provide a significant amount of resistance to motion.

To know more about frictional force visit :-

brainly.com/question/14662717

#SPJ4

Answer:

The answer is 39.3

Explanation:

Answer:

The volume of a given gas sample is directly proportional to it's absolute temperature at constant pressure. The volume of a given amount of gas is inversely proportional to its pressure when the temperature is held constant.

Explanation:

A diver can regulate his rate of rotation and reach the water in a vertical position because his angular momentum stays constant while he is in the air. This information makes it easier for us to comprehend how this is possible.

As a result, Option D is accurate.

The rotating counterpart of linear momentum in physics is called angular momentum. Given that the total angular momentum is conserved, or remains constant in a closed system, it is an important physical quantity. By dividing the rotational inertia of an item by the angular velocity, one may get its angular momentum. The angular velocity of an item is used to calculate its rotational speed. An object's rotational inertia is what makes turning it challenging. On an ice rink or in an office, someone spinning

To know more about Angular momentum here

https://brainly.com/question/29524750

#SPJ4

A long time after the circuit is completed (after many time constants), the voltage drop across the capacitor is 104.8V, the voltage drop across the resistor is 25.2V, the charge on the capacitor is -7.5μC, and the current through the resistor is 1.6mA.

A) Just after the circuit is completed, the voltage drop across the capacitor is 0V.

B) Just after the circuit is completed, the voltage drop across the resistor is 130V.

C) Just after the circuit is completed, the charge on the capacitor is 0C.

D) Just after the circuit is completed, the current through the resistor is 20.8mA.

E) A long time after the circuit is completed (after many time constants), the voltage drop across the capacitor is 104.8V.

F) A long time after the circuit is completed (after many time constants), the voltage drop across the resistor is 25.2V.

G) A long time after the circuit is completed (after many time constants), the charge on the capacitor is -7.5μC.

H) A long time after the circuit is completed (after many time constants), the current through the resistor is 1.6mA

Just after the circuit is completed, the voltage drop across the capacitor is 0V, the voltage drop across the resistor is 130V, the charge on the capacitor is 0C, and the current through the resistor is 20.8mA. A long time after the circuit is completed (after many time constants), the voltage drop across the capacitor is 104.8V, the voltage drop across the resistor is 25.2V, the charge on the capacitor is -7.5μC, and the current through the resistor is 1.6mA.

learn more about current here

brainly.com/question/17120024

#SPJ4

Answer:

Much of our understanding of the basic structure and composition of Earth and the other planets in our solar system is not strenuously debated. We can infer a surprising amount of information from the size, mass and moment of inertia of the planets, all of which can be determined from routine astronomical observations. Measurements of surface chemical composition, either by direct sampling (as has been done on Earth, the moon, and Mars) or through spectroscopic observations, can be used to estimate elemental abundances and the degree of chemical differentiation that occurred as the planets condensed from the solar nebula. Remote observations of the gravitational field can be used to understand how a planet's mass is distributed, whereas the strength and shape of the magnetic field provides some constraint on the structure of a metallic core. The specifics of structure and composition, however, are much more debatable. And it is these details that tell us a much more extensive and ultimately more interesting story about the internal dynamics of the planets and their evolution. As a result, trying to determine them is frontier research in almost all fields of earth and planetary science.

Even on Earth, many of these details have to be inferred from remote observations. Because we cannot sample the deep Earth, we must deduce its composition either by looking at the clues hidden in igneous and metamorphic rocks, or by examining proxies for composition and structure such as the three-dimensional variation of the velocity of seismic waves produced by earthquakes and sampled by networks of seismometers on the surface. The late Francis Birch, the eminent Harvard geophysicist, and his colleagues and students worked out the basic methodology that brings these distinct observations together. Birch showed how the stiffness of rocks changes under the extreme conditions of pressure and temperature deep within planets, as well as with chemical composition. Because the speed of seismic waves depends on the stiffness of the medium through which they propagate, it is possible to calculate temperature and composition from maps of seismic velocity. Most current research is based on Birch's work and it has even been extended to the most extreme temperature and pressure conditions of Earth's core. For example, much of our understanding of the large- and small-scale convection patterns driving plate tectonics has come about by using Birch-type proxies for temperature and composition.

Explanation:

HOPE THIS HELPS! :)

Answer:

Answer:

A hypothesis. In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis. A hypothesis is something more than a wild guess but less than a well-established theory. My hypothesis was right because although it was n educated guess it was still correct

The viscosity value decreased with the increase of temperature. The effect caused by temperature in the range studied was more important in the low range of temperature, whereas at high temperature, the viscosity showed less variation.The studies carried out in the present work indicated that the effect of temperature upon the viscosity of Galician honeys was prominent, and it is necessary to take into account this variable when the operation temperature is under 25°C, since below this value a small variation in temperature produces high changes in the viscosity value. On the other hand, different models to fit experimental values of viscosity/temperature have been proved. The glass transition temperature was determined necessarily since several models include this parameter in the equation, because it provides important information related to the viscosity value. All the models show a good behaviour but the best results were obtained using the Arrhenius one.

Based on the information provided, it is unclear what hypothesis was being tested in this experiment. however, I can explain about hypothesis, and The experiment demonstrates a decomposition reaction in which heating a mixture of sugar and baking soda produces carbon, and the principles of this reaction can be observed in real-life scenarios such as burning wood and digestion.

A hypothesis is a proposed explanation or prediction for a phenomenon or observed data that is based on prior knowledge, assumptions, and logical reasoning. It is an educated guess that can be tested through scientific investigation and experimentation. A hypothesis is usually formulated as a statement or a question that predicts the outcome of an experiment or study. The validity of a hypothesis is evaluated through empirical evidence, which may either support or refute the proposed explanation or prediction.

Hypotheses are an essential component of the scientific method, which involves formulating a hypothesis, testing it through experiments or observations, analyzing the data, and drawing conclusions based on the evidence. A hypothesis can be modified or revised based on the results of the experiments, and further investigations can be conducted to refine and validate the proposed explanation or prediction.

Here in the experiment,

The experiment involved mixing 9 sugar cubes and 2 teaspoons of baking soda, then heating it to make a long black tube of carbon. The sugar cubes had a mass of 2 grams each, and the teaspoon could hold 3 grams of baking soda. The total mass of the reactants used in the experiment was found to be 24 grams.

From this experiment, we can conclude that the reaction between sugar and baking soda can result in the formation of carbon. Heating the mixture causes a chemical reaction, which breaks down the sugar and baking soda into carbon, water vapor, and other byproducts. This reaction is an example of a decomposition reaction, in which a single compound breaks down into two or more simpler substances.

The principles demonstrated in this experiment are evident in many real-life scenarios. For example, the process of burning wood can be seen as a type of decomposition reaction. When wood is burned, it reacts with oxygen in the air to produce carbon dioxide, water vapor, and other byproducts. Similarly, the process of digestion in the human body involves the breakdown of complex food molecules into simpler substances that can be absorbed by the body.

Therefore, this experiment demonstrates the principles of a decomposition reaction and shows how sugar and baking soda can be transformed into carbon through heating. By understanding the underlying chemistry of such reactions, we can gain insights into many real-life processes and phenomena.

To learn more about redox reaction click:

brainly.com/question/2671074

#SPJ2

Important Formulas:

[tex]KE=.5mv^2[/tex]

Kinetic energy(measured in joules) = .5 * mass(measured in kg) * velocity(measured in m/s)^2

__________________________________________________________

Given:

[tex]m=20kg[/tex]

[tex]v=3m/s[/tex]

[tex]KE=?[/tex]

__________________________________________________________

Finding kinetic energy:

[tex]KE=.5mv^2[/tex]

[tex]KE=.5(20)(3)^2[/tex]

__________________________________________________________

[tex]\fbox{KE = 90 Joules}[/tex]

14 a, 14 b, 14 c, and 14 d are the Expressions that require renaming mixed numbers before we can subtract.

Actually, there are a few steps to convert normal fractions into a mixed fractions. The steps are as follows:

Solving one by one with the help of the given options:

1) 14a

[tex]5\frac{2}{5}-2\frac{1}{4} \\\\\frac{17}{5} -\frac{9}{4} \\\\\frac{68-45}{20}\\\\ \frac{23}{20} =1\frac{3}{20}[/tex]

2)14b

[tex]5-2\frac{7}{8} \\\\\frac{5}{1} -\frac{7}{8} \\\\\\\frac{40-23}{8}\\\\ \frac{17}{8} =2\frac{1}{8}[/tex]

3)14c

[tex]7\frac{2}{3} -6\frac{1}{8} \\\\\frac{23}{3} -\frac{49}{8} \\\\\frac{184-147}{8} \\\\\frac{37}{24} =1\frac{13}{24}[/tex]

4)14d

[tex]9\frac{1}{6} -5\frac{2}{3}\\\\ \frac{55}{6}-\frac{17}{3}\\\\ \frac{165-102}{18} \\\\\frac{63}{18}=3\frac{9}{18}[/tex]

To know more about mixed fractions:

https://brainly.com/question/2752311

#SPJ4

The force between the charges are [tex]3844*10^{3} N[/tex]

                                              [tex]F = kQq/r^{2}[/tex]

Given, Q = q = 6.2 mC = [tex]6.2 * 10^{-3}[/tex]

           r = distance = 0.3m

           k = constant = [tex]9*10^{9}[/tex]

Putting these values in above equation we get F = [tex]3844*10^{3} N[/tex]

To know more about charges visit:

https://brainly.com/question/28984168

#SPJ1

Atomic Mass = The sum of protons and neutrons in an atom. (Third option).

Atomic Number - The number of protons in an atom. (First option).

Mass Number - Exact amount of protons and neutrons (Last option).

Protons and Electrons - Charged particles of an atom (Fifth Option).

Protons and Neutrons - Particles in the Nucleus of an atom (Fourth option).

Valence Electons - Outermost particles of a shell. (Second Option).

Hope this helped!

Answer:

C

Explanation:

edge2020

According to the given information the answer is Add masses to each car until they have the same mass, then test the carts again.

Features three low friction ball bearing wheels and matched axles to assure their rolling along a true line without deviation to produce accurate data, and a sturdy steel body to endure rigorous handling. Each cart is around 1.5 kg in weight. The ends of the cart lift above the bed to transport a brick or any other bulk, and the cart bed is covered with a rubber pad. At one end of the cart, there is a clip where a tape can be fastened. Each cart's pins fit into the holes in the others, allowing the mass to be doubled by stacking them.

Learn more about Dynamic carts from given link

brainly.com/question/11066593

#SPJ4

The complete question is-

Three different dynamic carts of different masses are rolled down a ramp. The heaviest one rolls down the ramp the fastest. Before concluding that a more massive cart will roll down a ramp faster, what experiment with these three carts might you want to do?

The proposed size of 10 miles long and 5 miles in diameter for such a colony is quite large and would require significant technological advancements in terms of materials, and construction to be feasible.

In general, a spinning cylinder produces lift when its top and bottom are subjected to higher pressure and quicker velocities, respectively. The lifting force, it was said, is pointed perpendicular to the cylinder velocity.

If r is an object's radius, v is its linear speed and is its angular velocity in radians per unit of time, then v = r. This formula connects these three values so that we can always determine the third if we know the first two.

to know more about rotating cylinders here:

brainly.com/question/13692334

#SPJ4

Answer:

distance is a scalar quantity, it only has a magnitude, not direction

displacement is a vector quantity, it has both magnitude and direction

for example, 20m North -------> is a vector quantity, it shows direction

20m -----------> is a scalar quantity, it has not direction

Explanation: