How do longitudinal waves differ from transverse waves? Give examples of both.

i don't Know

Explanation:

learn from yourself.

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➢ 1. force = mass × acceleration

➢ 2. Since unit of weight = kg•m/s²

Answer:

Force =  Mass x Acceleration

Hope this helps.

For someone with a negative Weber slope for weight detection, it would be easier to tell the difference between 20 pounds and 21 pounds.

The Weber's Law states that the just noticeable difference (JND) between two stimuli is proportional to the magnitude of the stimuli. A negative Weber slope indicates that the JND decreases as the magnitude of the stimuli increases. In this case, as the weight increases, the person's ability to discriminate between the weights becomes easier.

Therefore, option C, telling the difference between 20 pounds and 21 pounds, would be easier for someone with a negative Weber slope for weight detection.

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Answer:

1.52 kJ

Explanation:

Total kinetic energy in gas K = 3NkT/2 where N = number of molecules, K = Boltzmann constant and T = temperature.

Also from the ideal gas law, PV = NkT

substituting PV into K above

K = 3PV/2 where P = pressure = 1.013 × 10⁵ N/m² and V = volume of gas = 5 litres = 5 dm³ = 5 × 10⁻³ m³

K = 3 × 1.013 × 10⁵ N/m² × 5 × 10⁻³ m³/2

= 1519.5 J

= 1.5195 kJ

≅ 1.52 kJ

Answer:

You dont need BRAINLY there is an app called slader where you scan the textbook barcode and it shows you the answers for the question in the textbook.

Explanation:

Answer:

Principle Archimedes is applied in building a ship and submarine using the manipulating that buoyancy, is controlled the ballast tank system.

Explanation:

Submarine is rather had they focused on main parts of the submarine,he is complex and long process implementation,the most submarine design like submarine stability.

Submarine stability is complete and the fundamental Archimedes principle to arrive the weight of submarine is equal to buoyancy force.

Submarine into the parts and components of ballast tank the sequence in diving and surfacing,there two vital parts:-  flood parts and air vents

flood parts:- at the bottom position and allow water to enter or leave that tank.

air vents:- air vents at the top of the pressure hall,and that they submarine dive.

this time submarine is most modern system is depth is 300 to 450 meters,high pressure  air is 15 bar is tank air valve.

submarine is basic of the effective volume of all the submarine surfaced condition,submarine minus to the free water flood is equal to the fully pressure hull,submarine is the surfaced condition.

The digestive organ that the majority of lipid digestion and absorption occur is the small intestine.

The small intestine is a part of the digestive system that is made up of the duodenum, jejunum, and ileum. It is the part of the digestive system that will follow the stomach.

This part of the intestine will be in charge mainly of the digestion of lipids, this process will begin in the mouth and in the stomach but then the digestion will take place in the small intestine with the help of lipase enzymes which will break the lipid molecules. After this process happens, the absorption of the lipids that will travel through circulation and go throughout the body will take place.

Therefore, we can confirm that the digestive organ that the majority of lipid digestion and absorption occur is the small intestine.

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The energy the earth receives from the sun in one hour is enough energy to meet worldwide demand for a year

It is possible to change the form of energy. For instance, the body of a person can store chemical energy from food until that person uses it as kinetic energy during labor or play. The kinetic energy of moving water in rivers and the chemical energy held in coal and natural gas can be turned to electrical energy, which can then be transferred to light and heat.

In terms of working energy, these can be classified into two categories:

potential or reserve power

working force or kinetic energy

Energy is the potential for doing labour. Modern civilisation is made possible by the capacity to convert energy between different forms and use it to complete activities. People use energy to move around on foot and by bicycle, operate cars on land and in the sea, cook food on stoves, make ice in freezers, light up our homes and offices, make things, and send people into space.

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Complete cancellation will occur for a path difference equal to an odd multiple of half the wavelength.

The phenomenon of cancellation occurs in wave interference when two waves with the same frequency and amplitude are out of phase by 180 degrees, meaning that the crests of one wave coincide with the troughs of the other wave.

The path difference between the two waves determines whether or not complete cancellation will occur. When the path difference is equal to an odd multiple of half the wavelength (λ/2, 3λ/2, 5λ/2, etc.), the waves will be out of phase by 180 degrees and complete cancellation will occur.

Mathematically, we can express this condition as:

path difference = (m + 1/2) λ

where;

For example, if the wavelength of the waves is 1 meter and the path difference is 1/2 meter (m = 0), the waves will be in phase and constructive interference will occur. However, if the path difference is 1 meter (m = 1), the waves will be out of phase by 180 degrees and complete cancellation will occur.

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In the given scenario, when a body of mass m rests on a horizontal plane with the static and kinetic friction coefficients both equal to y, the maximum force of static friction that can act on the body is equal to y times the normal force.

The static friction coefficient represents the maximum frictional force that can be exerted on an object at rest, while the kinetic friction coefficient represents the frictional force acting on an object in motion. In this case, since the body is at rest, the static friction force is relevant.

The maximum force of static friction can be calculated by multiplying the static friction coefficient (y) by the normal force. The normal force is equal to the weight of the body (m multiplied by the acceleration due to gravity). Therefore, the maximum force of static friction is given by y times the weight of the body.

This maximum force of static friction acts in the opposite direction to the applied force or the force attempting to move the body. As long as the applied force does not exceed the maximum force of static friction, the body will remain at rest. However, if the applied force exceeds this maximum force, the body will start to move and the frictional force will transition to the kinetic friction force.

It is important to note that in this scenario, the static and kinetic friction coefficients are equal (both y). This assumption simplifies the calculations and implies that the magnitude of the frictional force remains constant regardless of the motion of the body.

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Answer:a licensed physician

Explanation: taking the osha test now.

A licensed physician is the one to carry out a post-exposure medical evaluation. (Option A)

Post-exposure Medical Evaluation is any medical evaluation started after exposure to a pathogen in order to prevent the infection from occurring.

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The given statement is true because when the Galileo spacecraft arrived at Jupiter on December 7, 1995, Jupiter was almost in conjunction with the sun.

The Galileo spacecraft began orbiting Jupiter in December 1995 and concluded its mission in September 2003. Galileo was the first spacecraft to flyby an asteroid and to orbit Jupiter.

Galileo took many photos of Jupiter and its moons, as well as collected data on its atmosphere and magnetic field. It also discovered a new moon called Amalthea.

The Galileo spacecraft took a long time to travel to Jupiter because it utilized several gravity assists from Venus and Earth to conserve fuel.

Despite this, the Galileo spacecraft discovered a lot of fascinating information about Jupiter and its moons. It discovered that Europa, one of Jupiter's moons, has a subsurface ocean that could harbor life. It also discovered that the surface of Io, another of Jupiter's moons, is the most geologically active place in the solar system.In summary, the

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Answer:

32000 m

Explanation:

1000m in 1 km, so 32000m in 32 km.

Answer:

32000m

Explanation:

1km=1000m

so 32 kn is equals to 32000m

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 40 × 5

We have the final answer as

Hope this helps you

Answer:

See below

Explanation:

x component =  90 cos 45 = 63.6 N

y component =  90 sin 45  = 63.6 N

Where θ 1 is the angle of the first line, and θ 2 is the angle of the second line.

Angle is the measure of a turn or displacement between two intersecting lines. Angles are typically measured in degrees, with 360 degrees in a full circle. acute angles are smaller than 90 degrees, while obtuse angles are larger than 90 degrees. Straight angles are exactly 180 degrees, while reflex angles are greater than 180 degrees.

The equation for the diffraction grating for the sodium is:
nλ = d sinθ
Where n is the order of the spectrum, λ is the wavelength of the light, d is the distance of the spectrum, and θ is the angle of the light.
For the first order, the initial angular position is:
nλ = d sinθ
θ = sin-1 (λ/d)
For the first order, the final angular position is:
nλ = d sinθ
θ = sin-1 (λ/d)
The angular separation of the two closely spaced yellow lines of sodium is:
Δθ = θ 1 - θ 2
Where θ 1 is the angle of the first line, and θ 2 is the angle of the second line.

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The person can go high up to 685.71 m. The principle of energy conservation is applied in this question. First , use the term of efficiency to estimate the available energy. Finally, use energy conservation to calculate the person's height.

The following formula can be used to calculate an object's potential energy.

            PE = mgh

Here, m denotes mass, g denotes gravitational acceleration, and h denotes body height.

Step 1:

The average efficiency of energy utilised by the body is 25%. As a result, climbing the stairs consumes 25% of the person's entire energy. The following formula is used to determine available energy:

           E' = E(25/100)

In the above equation, replace E with 480 Cal.

           E' = (480 Cal) (25/100) ((4.2 * 10^3 J)/1 Cal)

               = 504 * 10^3 J

Step 2:

The body's initial energy is the energy needed to execute the task. The following is the initial energy:

            TE = E'

Substitute 504 * 10^3 J in the above equation.

            TE = 504 * 10^3 J

The available energy is used to complete the task of climbing the steps. As a result, the starting energy equals the end energy.

Replace mgh with TE in the above expression and find the height h.

           mgh = 504 * 10^3 J

            h = (504 * 10^3 J)/mg

Substitute 75 kg for m and 9.8 m/s^2 for g in the above expression.

            h = (504 * 10^3 J)/(75 kg)*(9.8m/s^2)

               = 685.71 m.

Thus, the height covered by the person is 685.71 m.

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It should be the first one, F= mXa (F = m times a).

Option a is correct.

F=GMm/R²

where F is the gravitational force or weight

G is the universal constant of gravitation

M is the mass of Earth

m is the mass of the object

R is the distance between the center of the earth and the object

Given,

initial distance R =4000miles

weight at surface of the earth F=400lb

Let the force be F' for a distance R' from earth's center.

Here R' = radius+ height of the tower = R+4000 miles = 4000 + 4000 = 8000 miles.

Since the other terms in the formula remain constant, the new weight F' can be calculated as follows:

F'/F = R²/R'(otherwise the inverse square law in gravitation)

F'/400=(4000)²/(8000)²

F' = 100 lb

Thus option a is correct.

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The weight of the body on a 4000-mile high tower would still be 400 lbs.

The weight of an object depends on the gravitational acceleration at its location. On the surface of the Earth, the gravitational acceleration is approximately 32 ft/s2. Therefore, a 400 lb body on the Earth's surface would weigh 400 lbs. If the body were placed on a 4000-mile high tower, it would be much farther from the center of the Earth and experience a weaker gravitational pull. The weight of the body would decrease as the square of the ratio of the radii of the tower and the Earth. So, the weight on the tower would be:

Weight on the tower = (400 lb) * (4000 mi/4000 mi)2 = 400 lb * 1 = 400 lb

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Answer:

Isothermal Expansion

Explanation:

This shows the expansion of gas at constant temperature against weight of an object's mass (m) on the piston. Temperature is held constant, therefore the change in energy is zero (U=0). So, the heat absorbed by the gas equals the work done by the ideal gas on its surroundings

Answer:

B

Explanation:

To discover gold

Gravitational Potential Energy

m: mass

g: gravity

h: height

m: kilogram

g: m/s^2

h: meters

Some environmental factors are studied by the use of space satellites.

Space satellites are used to study various environmental factors and phenomena from space. These satellites are equipped with advanced instruments and sensors that allow scientists to observe and collect data on different aspects of the Earth's environment.

Satellites provide valuable information about the Earth's atmosphere, weather patterns, climate change, land use, ocean currents, and many other environmental factors.

They can monitor changes over time, track pollution levels, measure temperature variations, and study the interactions between different components of the environment.

By orbiting the Earth, space satellites can capture high-resolution images, gather data on different wavelengths of light, measure atmospheric composition, and monitor the planet on a global scale.

The data collected by these satellites is crucial for understanding and managing various environmental issues, such as deforestation, air pollution, natural disasters, and climate change.

Telescopes, electroscopes, and astrolabes are not specifically designed for studying environmental factors. Telescopes are primarily used for astronomical observations, electroscopes measure electric charge, and astrolabes were historically used for celestial navigation.

While they have their own applications and significance, they are not primarily employed for studying environmental factors as space satellites are.

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Answer:

Space satellites

Explanation:

As I promised, this is the answer!! I have checked and reviewed to make sure this is the correct answer, and it is!! Good Luck to everyone who views this question in the future:)

Answer:

a.  Frequency is 5.45 x 10^14 hz

b.   The period = 1.8 x 10^-15 sec  {or 1.8 femptoseconds]

Explanation:

The velocity of an electromagnetic wave is given by the product of the wave's frequency(f) times its wavelength(λ).  

V = λ f     where,

V is the wave speed,

f is the wave frequency,

λ is the wavelength.

To find frequency, rearrange to:

f = V/ λ

Light travels at 3.00x10^8 m/sec.

λ is 5.50 x 10^-7 m

f = (3.00x10^8 m/sec)/(5.50 x 10^-7 m)  meters cancels, secs is on the bottom]

f = (3.00/5.50)*(10^15)  [The base 10 exponent on the bottom ius subtracted from the one on top:  98-(-7)) = 15)  

f = 0.545 x 10^15 1/s or hz

f = 5.45 x 10^14 hz

b.  The period of a wave is the inverse of it's frequesncy.  It is the time it takes for 1 wave to pass.  Invert the frequency:

 Period = 1/f

  Period =  1/(0.545 x 10^15 1/s)

Period = 1.8 x 10^-15 sec  {or 1.8 femptoseconds]

As little as 1 mA of electrical current can cause a painful shock.

Electricity can present unseen hazards in the laboratory, and the presence of water can increase the risk of electrical shock. Even a small amount of electrical current can result in a painful shock.

In this case, as little as 1 milliampere (1 mA) of current can be enough to cause discomfort or pain when it passes through the human body. It is important to note that the severity of the shock depends on various factors, including the pathway the current takes through the body and the duration of the exposure.

Higher currents can pose even more serious risks, including muscular contractions, respiratory distress, and even cardiac arrest.

Therefore, it is crucial to handle electricity safely, especially in laboratory settings where the presence of water can increase the likelihood of electrical hazards.

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Answer:

40.1m/s

Explanation:

This is a kinematics problem

x = 82m

a = -9.8m/s^2

v(initial) = 0

Find: v(final)

Using kinematics equation:

vf^2 = vi^2 + 2a(delta)x

vf^2 = 0 + 2*(-9.8)*(82)

vf = sqrt(1607.2) = 40.09m/s

The is traveling with a velocity of 40.1m/s when it hits the ground.