What do you think happens to a sound wave when the volume of sound increase

Answers

Answer 1

Answer:

sound wave's amplitude relates to the change in pressure caused by the wave measured at a specific location. The sound is perceived as louder if the amplitude increases, and softer if the amplitude decreases.


Related Questions

a baseball player hits a foul ball straight up into the air. it leaves the bat with a speed of 50 mph. in the absence of air resistance, how fast will the ball be traveling when the catcher catches it?

Answers

120 KM/H is the ball's speed when this is caught at same height, therefore the speed is the same but the direction is different.

what is the importance of speed?

Your muscles are powerless, frightful, and helpless without speed. Just for display and to assist friends who are moving large pieces of furniture. The good news is also that speed may be acquired through the appropriate fitness training.

What are time, speed, and motion?

The distance an object covers in a predetermined period of time is referred to as its speed. Things are either thought to be moving swiftly or slowly depending on their pace of motion. Speed equals Distance x Time. Time and distance in the SI are measured in seconds (s) and meters, respectively (m). The metre every second (m/s) is the unit of speed in the metric system.

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two resistors are connected in series across a constant voltage source without internal resistance. another resistor is added in series to the other two resistors. what happens to the power supplied by the source?

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Adding a third resistor in series with two resistors connected across a constant voltage source without internal resistance will cause the power supplied by the source to decrease.

The reason is that adding the extra resistor will increase the total resistance and decrease the current through all three resistors. The new total resistance is: Rtot = R1 + R2 + R3

And as we see from Ohm's Law, V/I = R, so we can also express this as: V2/I2 + V1/I1 + V3/I3 = V4/I4.

From here, we can see that when we add a third resistor in series with two others, we have more voltage across each individual part of our circuit, but less current flowing through each part of it. That means our total power supplied by the source decreases because there is less current flowing through all three resistors combined.

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2 A spring requires a load of 7.5N to increase its length by 50 cm. What load will give it an extension of 12cm?​

Answers

The load of 1.8 N will give it an extension of 12cm.

What is spring constant?

Amount of force required to increase unit length of a spring is known as spring constant. Si unit of spring constant is Newton/meter.

Given parameters:

Loads on the spring; F₁ = 7.5 N.

Increase in length of the spring; x₁ = 50 cm = 0.5 m.

So, spring constant of it; k = F₁/x₁ = 7.5/0.5 N/m = 15 N/m.

Hence, to extent it of 12 cm; required load

= spring constant × increase in length

= 15 N/m × 12 cm.

= 15 N/m × 0.12 m.

= 1.8 N.

So, the required load is 1.8 N.

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you launch a projectile horizontally from a height of 0.85 m. the projectile travels a horizontal distance 1.8 m. with what speed (m/s) did you launch the projectile?

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Speed (m/s) required to launch the projectile is 5.94m/s.

What constitutes speed?

Speed is defined as the product of distance and the amount of time it took to cover that distance.

Equations,

Vx = Vxo

x = Vx × t

Vy = Vyo + gt

Vyo = 0

Vy = gt

y = yo - Vyo - gt² / 2

yo - y = gt²/ 2

time to get to the ground,

0.85 = g t² / 2

t² = 0.85m × 2 / 9.81 m/s²

t² =0.1732 s²

t = 0.416s.

initial velocity,

Vxo = x / t = 1.8m/ 0.416s =4.32m/s

speed before it strikes the ground,

Vy = g*t = 9.81 m/s × 0.416 = 4.08m/s

V² = Vy² + Vx² = (4.32 m/s)² + (4.08 m/s)² = 35.3064m²/s²

V = [tex]\sqrt{35.3064}[/tex]= 5.94m/s.

Speed required to launch the projectile is 5.94m/s.

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what sound characteristics can be compared between the two ears to locate the source of a sound shadows and pitch loudness and phase frequency and loudness we cannot localize sounds well

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In order to determine where a sound is coming from,These signals include  the ear the sound strikes first and  the volume of the sound when it reaches each ear .

What sound characteristics can be compared between the two ears to locate the source of the sound?

In order to determine where a sound is coming from, humans rely on two key clues.

These signals include  the ear the sound strikes first (interaural temporal differences) . Thhe volume of the sound when it reaches each ear (known as interaural intensity differences).The relative intensity of high-frequency sounds (the shadow effect), the difference in arrival timings between the ears, and the asymmetrical spectral reflections off our bodies' torso, shoulders, and pinnae are all indicators of a sound's azimuth.

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if you had something the size of a sugar cube that was made of white dwarf matter, it would weigh about as much as

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If you had a sugar cube that was made of white dwarf matter, it would weigh about as much as an elephant.

White dwarfs are the smallest type of stars in the universe, and they have a density of around 100 million times greater than that of water. This means that if you took a sugar cube that was made entirely out of white dwarf matter and put it on your kitchen counter, it would weigh about as much as an elephant!

But don't worry—you're not going to find any white dwarfs at your local grocery store or restaurant. White dwarfs are formed when red giants collapse in on themselves after burning through their fuel. And if you did happen to find one, you'd need a really big countertop.

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Define momentum pls NOW

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Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity

a 5.0 g bullet moving 325 m/s is shot into a 1.25 kg block, which slides for 1.35 seconds across the surface it is on before coming to rest. what is the average force of kinetic friction between the block and the surface?

Answers

The average force of kinetic friction between the block and the surface is 0.00601N

v=u +at

v=at

t=v/a                                    -----------1

d=at²/2                               ------------2

Putting the value of t in eq 2

d=v²/(2a)

a=v²/(2d)                             -----------3

Putting the value of a in equation F=ma

F=ma ⇒ m [v²/(2d)]

In the question , m= 5g = 0.005kg , ∨=325m/s

Meanwhile distance=speed x time

distance=[ 325 x 135 ]

distance , d = 43875 m

F= m [v²/(2d)]

=0.005 {(325)²/(2x43875)}

=528.125/87750

=0.00601851852 N

≅0.00601N is the approximate force of kinetic friction between the block and surface.

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What the relationship between frequency and wavelength of electromagnetic radiation? choose. If you double the wavelength of light, what happens to the energy of the photons? choose. Which has a greater energy, long wavelength red light or short wavelength uv light? choose.

Answers

Frequency is inversely proportional to the wavelength of electromagnetic radiation.

When the wavelength of light is doubled, the frequency is reduced to its original value.

Short wavelength UV (ultraviolet) light will have more energy.

What is meant by wavelength?

The distance between identical points (adjacent crests) in adjacent cycles of a waveform signal propagated in space or along a wire is defined as the wavelength.

The relationship between frequency of electromagnetic radiation and wavelength of radiation is:

ν==1/λ

Where,

ν= frequency

As a result, the frequency of electromagnetic radiation is inversely proportional to its wavelength.

The frequency is reduced to its original value when the wavelength of light is doubled.

The energy of a photon is proportional to the frequency of light.

Using Relationship,

E=hν=h c/λ

h = Planck's constant

c = speed of light

Both h and c are constants

As a result, energy will be reduced to its initial value.

The light with the shortest wavelength will have the greatest energy.

UV (ultraviolet) light with a shorter wavelength has more energy.

It is because of the previously stated relationship..

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a light plane attains an airspeed of 500 km/h. the pilot sets out for a destination 800km due north but discovers that the plane must be headed 20o east of due north to fly there directly. the plane arrives in 2.0 h. what were a) the magnitude b) the direction of the wind velocity?

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a) The magnitude of the wind velocity([tex]V_{ag}[/tex]) is 185 km/h

b) the direction of the wind velocity  ([tex]V_{ag}[/tex]) is [tex]22.3^{o}[/tex] southwest

What is relative velocity?Understanding frame of reference is key to understanding relative motion or relative velocity. A frame of reference can be compared to the observer's current motion while they watch an event. For instance, you would consider yourself to be in a stationary frame of reference if you were sitting in a lawn chair and watching a train pass you at 50 meters per second from left to right. From your perspective, the train is moving while you are at rest. If you have excellent vision, you may even see a glass of water on a table inside the train move 50 meters per second from left to right.

Calculation

Let east be + x-axis and north be + y-axis

The destination is D= 800 km

This takes 2 hours, so the constant velocity of the plane (relative to ground) is [tex]V_{pg}[/tex] is 400 km

The vector sum of the plane's velocity with respect to the air, which has (x, y) components (500cos70, 500sin70)

and the velocity of the wind relative to the ground ([tex]V_{ag}[/tex]). Thus, (400 km/h) = (500 km/h) cos70i +(500 km/h) sin70j + [tex]V_{ag}[/tex].

Which yields

[tex]V_{ag}[/tex] = (-171 km/h) i – (700 km/h) j

a) The magnitude of the wing velocity is

[tex]V_{ag}[/tex] = [tex]\sqrt{(-171 km/h) i - ( 700 km/h) j}[/tex] = 185 km/h

b) The direction of the wind velocity is

Θ = [tex]tan^{-1} =\frac{-70.0 km/h}{-171 km/h} = 22.3^{o}[/tex] southwest

Hence, the magnitude of [tex]V_{ag}[/tex] is 185 km/h and direction of the [tex]V_{ag}[/tex] is [tex]22.3^{o}[/tex] Southwest.

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what happens to the speed of a molecule when it hits an oncoming faster molecule? when it hits a receding one?

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When it hits a receding one, its rebound speed is reduced.

What is the speed of the molecules?To compute a few more gas properties, the kinetic theory of gases is a little more expanded. It is discovered that the average velocity of a gas molecule is approximately the speed of sound. The pressure is caused by the gas molecules' collisions with the container's walls. The ideal gas model presupposes that the gas molecules are, on average, so far apart that they do not collide. The average separation between collisions (also known as the "mean free path") between gas molecule collisions will be determined.Diffusion, viscosity, and thermal conductivity are only a few of the properties of a gas that are influenced by molecular collisions. A fluid's "stickiness" is determined by its viscosity, while diffusion determines how quickly, for example, an ink drop spreads out in a glass of water. The application of the kinetic theory of gases will be illustrated with a straightforward formula for the diffusion coefficient.

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AP physics 1: Extra points!!

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Tension force, Friction and gravity are acting on acrobat player while hanging in middle. and this is unbalanced force.

Tension is a contact force that is transmitted through a rope, thread, wire, or other similar material when pressures on the opposing ends tug on it. The rope that holds a tire swing to a tree branch is one such example. The rope is pulled upward by a branch tugging against the rope's tug tension, which is only a pulling force; the rope is dragged downward by gravity. Pushing on a slack rope will not cause it to be strained. As a result, the force of tension must always be represented in the direction that the string is pulling the object in a free-body diagram.

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The schroedinger wave equation relates the energy of an atom to its electrons in terms of the.

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The Schrödinger wave equation relates the energy of an atom to its electrons in terms of the wave function.

What is the Schrödinger wave equation?

The Schrödinger wave equation is a partial differential equation that governs the wave function of a quantum-mechanical system. Schrödinger's model of the atom assumed the electrons could be treated at matter waves. The Schrödinger equation is conceptually the quantum counterpart of Newton's second law in classical mechanics.

Since electrons are identical to one another, the wave function of an atom with more than one electron must satisfy special conditions. The wave function of a system of identical particles depends on the coordinates of all the particles. The wave function must remain unaltered or at most undergo a change of sign if the coordinates of two of the particles are interchanged.

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A polar bear walks 40 meters North, then 20 meters East , then 40 meters south. The bear completes his trip in 10 seconds. what is the bear's total distance traveled ?

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The total distance travelled is 100 m.

What is the  total distance traveled ?

We know that distance is a scalar quantity. Let us note that scalar quantities are the quantities that do not have a direction rather they do have  magnitude. This is where the vector is different from the scalar quantity in physics.

Looking at this description, we are told that the polar bear walks 40 meters North, then 20 meters East , then 40 meters south. We can see that the total distance can be obtained by the addition of all the distances travelled.

Total distance travelled is; 40 + 20 + 40 = 100 m

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a motorcycle accelerates uniformly from rest and reaches a linear speed of 25.3 m/s in a time of 11.4 s. the radius of each tire is 0.259 m. what is the magnitude of the angular acceleration of each tire?

Answers

Equation (8.10) provides the following form for the angular acceleration "alpha," which is proportional to the radius "rr," and the tangential acceleration "aa."

What is the wheel's angular acceleration?

A wheel's angular acceleration is alpha = 6.0t4 - 4.0t2, where alpha is measured in radians per second squared and t is measured in seconds. The wheel has an angular position of +1.0 rad and an angular velocity of +2.0 rad/s at time t = 0.

=rα \s1: The most popular units for angular acceleration are rad/s2 and rad/s. 2 . Similar to how a + or - sign designates the direction of linear acceleration in one dimension, a + or - sign designates the direction of angular acceleration along a fixed axis.

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Which is an example of an anomaly that led to a theory being overturned?
O The recognition that people use up energy, get tired, and need to rest
O The discovery that oil will cause a rolling ball to move farther
O The belief that as Earth rotates, it drags surrounding ether with it
The discovery that materials, when burned, release phlogiston

Answers

An example of an anomaly that led to a theory being overturned is: The discovery that materials, when burned, release phlogiston.

What is a theory?

A theory can be defined as an integrated set of principles and rules that can be used by a scientist to explain and predict observed events.

According to Thomas Kuhn, the process of any scientific discovery usually starts with the awareness of an anomaly and ends with making an adjustment to scientific theory in order to make a previously anomalous to become expected.

What is the phlogiston theory?

The phlogiston theory can be defined as a superseded scientific theory which stated that a fire-like materials (elements) referred to as phlogiston, are found within combustible bodies and they are released when burned or during combustion.

However, the phlogiston theory is an anomaly that was later overturned by a scientists known as Antoine Lavoisier in 1772, who proved that combustion and burning of any chemical substance or materials (elements) requires a gas that has mass.

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he complex impedance of an electric circuit measures resistance as the real component and reactance as the imaginary component, both measured in ohms. what is the magnitude of impedance of an electric circuit with a resistance of 90 ohms and a reactance of 120 ohms?

Answers

The magnitude of impedance is 1.33 ohms .

What is meant by electric circuit?

Electric circuit: a way for current to travel. A battery or generator, a device that provides energy to the charged particles that make up the current, a device that uses current, such as a lamp, an electric motor, or a computer, and the connecting wires or transmission lines make up an electric circuit.

Current flowing from the positive terminal to the negative terminal of the battery is known as an electric circuit. Putting together a circuit A cell or battery, connecting wires, a lightbulb, and a switch make up an electric circuit.

Given .

resistance = 90 ohms

reactance =120 ohms

So magnitude of impedance is 120/90

= 1.33 ohms

therefore the magnitude of impedance is 1.33 ohms

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a car on high way travlled for 5m, driving force is 500n, friction is 500n. what is the net force , what is the total work done. how much kinetic energy will the car gain?. enter number only, no unit.

Answers

The net force = 0

The total work done = 0

Kinetic energy = Constant

What happens when the net force is zero?

An object with zero net force will either remain stationary if initially stationary or maintain a constant velocity. While the net force on an object is zero, its velocity and direction of motion remain unchanged (an object at rest remains at rest).

Net force = Force - Friction

Fₙ = F₀ - Fₓ

Fₙ = 500N - 500N

Fₙ = 0 N

Since F = ma

ma =  0 N

a = 0

If acceleration is zero then the car is moving with a constant velocity.

Work done = force x distance covered in the direction of the force

W = Fₙ × d

W = 0 × 5 m

W = 0

K.E. = 1/2 mv²

Since the velocity is constant, the kinetic energy is also constant. The net work will be zero because the system has no net power. Nevertheless, potential energy increases with constant kinetic energy.

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a heat exchanger has an effective area of 2500 cm2 and cools 1 kg/min of blood from 37 degrees celsius to 30 degrees celsius with a lmtd of 5.4 degrees. what is the overall heat transfer coefficient of the exchanger if the specific heat capacity of blood is 4177 j/kg-c.

Answers

The answer is 361 W/m2-C.

This approach is most commonly used when the building manager or engineer is trying to determine the heat transfer coefficient and outflow fluid temperature and already knows the heat exchanger size and inflow temperature. Subtract the end temperature from the start temperature to get the difference.

You can calculate the efficiency of anything by dividing the energy input and energy output by 100%. We usually use this equation to express energy as heat or electricity. For relatively low-pressure equipment, if the design pressure on the low side is more than two-thirds of the design pressure on the high side a full pipe rupture is not a realistic scenario.

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A sweptwing airplane with weak static directional stability and increased dihedral causes an increase in...A. Mach tuck tendencyB. Dutch roll tendencyC. Longitudinal stability

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A sweptwing airplane with weak static directional stability and increased dihedral causes an increase in Dutch roll tendency. Option B.

Increasing speed increases the air flowing over and under the wing. An increase in the relative wind influence on the underside of the wing creates a large amount of air that is deflected downward, creating more lift. This is because the outer wing travels a longer distance than the inner wing, but both complete their rotation in the same amount of time.

As a result, the outer wing flies faster than the inner wing creating more lift. Since the bottom surface of the airfoil has a larger radius of curvature than the top surface, lift begins to increase with the angle of attack. Therefore the pressure gradient is downward. This means that the lower surface has a higher pressure than the upper surface and the wing receives a lift.

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what is the maximum mass that can hang without sinking from a 50.0- cm -diameter styrofoam sphere in water? assume the volume of the mass is negligible compared to that of the sphere.

Answers

One form of StyrofoamTM product, commonly used in craft projects, is Styrofoam balls. The spherical polystyrene foam objects known as Styrofoam balls range in diameter from one inch (2.54 cm) to eight inches (20.3 cm). The uses for Styrofoam balls in crafts are incredibly diverse.

Calculating the ball's volume using

V = 4/3 * pi * r3

r = 10 cm = 0.10 m.

V = 0.00418 m^3

The mass of the water with a volume of 0.0446 m3 is equal to m =??

V = 0.00418 m3,

and d = 1000 kg/m3.

m=V*dm=0.00418*1000=4.18 kg

then determining the styrofoam ball's mass.

V = 0.00418 m3

d = 32 kg per m3, which equals m = 0.00418 * 32 m = 0.1337 kg.

Finding the necessary mass to place on the ball's surface.

The distinction is what you'll need to put on the ball.

4.18 - 0.1337 = 4.046 kg ans.

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suppose this experiment were done on the moon, where the acceleration of gravity is approximately 1/6 of that on the earth. how would this change the frequency of the oscillation?

Answers

Since frequency, in physics, is the number of waves passing a fixed location in a unit of time, it would remain constant.

How and why is frequency used?

In science and engineering, frequency is a crucial characteristic for describing the temporal rate of change seen in oscillatory or periodic phenomena including mechanical motion, audio signals (sound), radio waves, or light.

Why do frequencies occur?

Frequency of a wave is defined as the total number consecutive waves generated in a second. Frequency is the measurement of the number of vibrations per second. As an example, consider the following: If five full waves are created in a second, their frequency is 5 hertz (Hz), meaning 5 cycles per second.

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When a tennis racket hits a tennis ball, the time needed for the racket to change the ball's direction by imparting an impulse (the product of the average force on an object and the time interval over which it acts) to it is extremely ____

Answers

When a tennis racket hits a tennis ball, the time needed for the racket to change the ball's direction by imparting an impulse to it is extremely low.

When a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds which is less than a hundredth of a second. The force provided by the racket is extremely high. So, the interval of time for which the force applied need not be high to change its direction.

I = F Δt

F = m a

F = m Δv / Δt

F Δt = m Δv

I = m Δv

I = Impulse

F = Force

m = Mass

a = Acceleration

Δv = Change in velocity

Δt = Change in time

Therefore, when  a tennis racket hits a tennis ball, the time needed for the racket to change the ball's direction by imparting an impulse to it is extremely low.

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a prescription for corrective lenses reads -5 d for each lens. these corrective lenses are group of answer choices diverging with focal length equal to 20 cm. diverging with focal length equal to 5 m. diverging with focal length equal to 5 cm. converging with focal length equal to 5 cm. converging with focal length equal to 5 m. converging with focal length equal to 20 m.

Answers

These corrective lenses have a 20 cm focal length and are diverging.

P=1/(f(m)) and "hence P= 1/(0.2)=10/2" and "therefore P=5 D" indicate that the lens has a 5 dioptre power.

What is a diverging lens?A lens that, after exiting the lens, produces parallel light beams to spread out and deviate from the optical axis.A lens that, as from a virtual image, produces a beam of parallel rays to diverge after refraction; a lens with a negative focal length.By extending the traces of the light rays traveling through the lens to a focal point behind the lens, negative lenses diverge parallel incident light beams to create an illusion of an image. These lenses typically feature at least one concave surface and are thinner in the middle than they are on the edges. When passing through a concave lens, light rays parallel to the principal axis appear to diverge from a point on the principal axis.

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what is the damping ratio of a series rlc circuit with a resistance of 100 ohms, an inductance of 0.1 mh and 100 pf?

Answers

Because using maximum current, it  resonant current, and the supply voltage is 100 V (Vs = RI = 1000 x 0.1). Equating the reactances of the inductive and capacitive components the resonant frequency, f° =159.155

What do current and an electron mean?

Electron current is the name for the movement of electrons. Negative to positive electron flow occurs at the terminal. Conventional current, or just current, behaves as though positive charge carriers are what produce current flow. From the positive terminal towards the negative, conventional current flows.

What is current fundamental law?

Ohm's law, or V=IR, is the most fundamental electrical law. The V indicates the potential difference between two chargesdifference of two charges is indicated by the V, which stands for voltage. Alternatively, it measuressaid, it is a measurement of the effort necessary to transfer a unit charge between two places.

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two flywheels of negligible mass and different radii are bonded together and rotate about a common axis (see below). the smaller flywheel of radius 12 cm has a cord that has a pulling force of 50 n on it. what pulling force (in n) needs to be applied to the cord connecting the larger flywheel of radius 19 cm such that the combination does not rotate?

Answers

The pulling force (in N) that needs to be applied to the cord connecting the larger flywheel is 31.58 N.

Force is a push or pulls upon an object because of the item's interaction with some other object. A pressure can purpose an object with mass to exchange its speed, i.e., to boost up. stress additionally can be described intuitively as a push or a pull. A force has each importance and route, making it a vector amount.

calculation:-

Net torque on the system = 0

τ = r × F

So, here

r₁ × F₁ = r₂

12 × 50 = 19 × F₂

F₂ = 12 × 50 / 19

    = 31.58 N

The phrase force has a very particular which means that. At this degree, it is really suitable to describe a pressure as a push or a pull. A pressure isn't always something that an item consists of or 'has in it. A pressure is exerted on one object thru some other. The concept of a force is not restrained to dwelling subjects or non-residing matters.

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A plane flies with an average
velocity of -98.5 m/s for 45.0 s.
What was its displacement?
(Unit = m)
Don't forget: velocities and displacements to
the right are +, to the left are -.

Answers

Answer:-4432.5 m

Explanation:trust

Demonstrate that change in heat cause change in temperature

Answers

Answer:

Procedure - Take 150g of ice in a beaker and suspend a laboratory thermometer so that the bulb is in contact with ice. Start heating and note the temperature when the ice starts melting. Finally, note the temperature when all the ice is completely melted.

Change in heat causes change in temperature because heat is the transfer of energy from a hotter object to a cooler object, leading to a change in the internal energy of the substance, which in turn affects its temperature.

When heat is added to a substance, its internal energy increases, and the particles in the substance gain kinetic energy, leading to an increase in temperature. The kinetic energy of the particles determines their motion, and as they move faster, the temperature of the substance rises.

Conversely, when heat is removed from a substance, its internal energy decreases, and the particles lose kinetic energy, resulting in a decrease in temperature. As the particles slow down, the temperature of the substance decreases.

The relationship between heat and temperature is described by the specific heat capacity of the substance, which quantifies the amount of heat required to raise the temperature of a given mass of the substance by one degree Celsius. In simple terms, heat is the energy transferred during a temperature change, and the two are intrinsically linked.

In summary, change in heat causes change in temperature because heat is the energy transferred that alters the internal energy of a substance, leading to changes in the kinetic energy and motion of its particles, resulting in temperature fluctuations.

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what two basic measurements are taken to test insulation resistance? i. the actual leakage current flowing through the insulation. ii. the actual leakage current flowing through the conductor. iii. the actual resistance of the insulation. iv. the actual resistance of the conductor.

Answers

The insulation tester, often known as a Megger, is a device used to assess insulation resistance. For measuring insulating resistance, we utilise the following devices.


What is insulation resistance?
The insulation resistance of wires, cables, and electrical equipment is measured in ohms. It is critical to protect against electric shocks and to avoid equipment damage caused by inadvertent discharges. The insulating resistance is measured by testing and evaluating the status of the isolation (head and body.)

Direct indicating ohm metre with hand-operated DC generator

With direct indicating ohm metre and motor-driven DC generator

Direct indicating ohm metre with DC battery

Direct indicating ohm metre with a full-wave rectifier

Resistance bridge circuit with galvanometer and battery

The insulating resistance is measured using direct current voltage. We can create the DC voltage using a hand-driven dc generator or a motorised dc generator. Insulation functions as a capacitor. If the insulation quality is excellent, the capacitor will block the DC. Leakage current flowing through insulation shows inadequate insulation quality.

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a block has a mass of 15 kg is pulled by ahorizpntal force of 47 n what is the coefficient of friction

Answers

Formula of Coefficient of friction= F/N

Force applied on the block =47N (Provided in the question)

Mass of the body=15kg (Provided in the question)

Normal force applicable on the body(N)=m x g

N= m x g

Where N represents the Normal Force, m the mass of the body and g represents the gravitational force.

N= 15 x 9.8

N=147N

When a force is applied on a body that is less than that of the Limiting force ( the maximum static friction that can be there) then the friction force produced as a reaction to that force is equal and opposite in nature, acting on the same body.

Since a 47N force is applied on the block a static friction force of the same value will pull the body in the opposite direction.

Thus force due to Friction=47 N

Coefficient of Friction= Friction/ Normal Force

Coefficient of friction =47/147

coefficient of friction=0.319

coefficient of friction≈0.32

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