the lift piston base and the input piston base are at the same height. what input force, , is required to maintain this system in equilibrium?

When light passes through the first filter then it will also pass through the second filter. All of the light will pass through both filters.

Polarization:

Polarization is a property applied to transverse waves that specify the geometrical orientation of the oscillations. In a transverse wave, the direction of the oscillation is perpendicular to the direction of motion of the wave.

When the axes of the first and second filters are aligned (parallel), then all of the polarized light passed by the first filter is also passed by the second. If the second polarizing filter is rotated, only the component of the light parallel to the second filter's axis is passed.

Therefore all the light will pass through both filters.

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Answer:

false is the answer . in my point of view

The magnitude and direction of the sum of vectors will be 4.15 m aligned in  50° in north west direction.

Both the vectors are making angle in a way that it will add up to 90° , hence a right angles triangle will be formed .

using Pythagoras theorem

[tex]H^{2} = P^{2} + B^{2}[/tex]

sum of vector = [tex]H^{2} = P^{2} + B^{2}[/tex]

H = [tex]\sqrt{P^{2} + B^{2} }[/tex]

   = [tex]\sqrt{3.14^{2} + 2.71^{2} }[/tex]

   = 4.15  m

let theta is the angle along the base vector 2

tan (theta ) = P/B = 3.14 / 2.71 = 1.16 °

theta = [tex]tan^{-1}[/tex] ( 1.16 )

         ≈ 50°

hence , The magnitude and direction of the sum of vectors will be 4.15 m aligned in  50° in north west direction.

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I hate to leave you without an answer, but there isn't enough information to be able to answer your problem.

Answer:

six months

Explanation:

Trust me on this i just answer it yesterday

The energy an object has as a result of motion is known as kinetic energy.A force must be applied to an object in order to accelerate

Given,

m1 = 3 kg

Mass, = 3kg

Speed, = 30 m/s

u2= 0

= 1 kg

Speed after collision = 6 m/s

Kinetic energy lost, K×E = ?

During collision, momentum is conserved.

Before collision, the kinetic energy is

KE =1/2(3)*(3)*(30)+1/2*1*(0)²

KE=1/2*4*25+0

By plugging in the values we get,

K×E = 50 J

Therefore, kinetic energy before collision is 50 J

Kinetic energy after collision:

KE =1/2(4+1)+KE

KE = 40J+KE

Since,

Initial Kinetic energy = Final kinetic energy

50J=40J+K*E

50 J = 40 J + K×E(lost)

K×E(lost) = 50 J - 40 J

K×E(lost) = 10 J

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The forces applied on the bucket are tension and gravitational.

What is the gravitational force?

According to Newton’s gravitational law, it is the force exerted due to attraction between two objects that is directly proportional to the product of their masses and is inversely proportional to the square of distance between them.

The force applied to the bucket containing water is gravitational force. The gravitational force acts in downward direction and there is no change in the state of motion. There is another force as well which is the muscular force by which we hold the bucket in the upward direction with the help of our muscles. Tension is also exerted on the bucket as this force is seen in existence when any object is being pulled up with the help of string or rope. It is always seen in the direction which is parallel to the rope.

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The speed of the sled after it has travelled a distance 3.58 meter is 2.96m/s.

Mass of sled = 2.49kg

Initial speed across the horizontal surface = 4.53m/s

Coefficient of kinetic friction between the slate and surface = 0.168

Distance = 3.58m

Now to calculate the acceleration of sled we use :

F = ma

a = F/m

where

a = acceleration

m = mass

F = frictional force

a = μmg / m

a = μg

a = 0.168 x 9.8

a = 1.64m/s²

To calculate the speed of sled we use:

v² = u² - 2as

v² = (4.53)² - 2x 1.64 x 3.58

v² =  8.7785

v = 2.96m/s

The speed of the sled after it has travelled a distance 3.58 meter is 2.96m/s.

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The two intertwined autos are sliding on the ice at a 3.46 m/s post-collision speed.

The principle of momentum conservation argues that within a given problem domain, momentum is never created nor destroyed but only modified by the action of forces as they are represented by Newton's laws of motion.

According to the rule of conservation of momentum, absent an external force, the combined momentum of two or more bodies operating upon one another in an isolated system remains constant. As a result, momentum cannot be gained or lost.

The speed of the Mazda before the accident multiplied by the mass of the Mazda must match the speed after the collision multiplied by the mass of both cars, according to the property of conservation of momentum:

m1v1 = m1 + m2 *v2

940*12.5 = 940 +2460 *v2

v2 = 3.46 m/s

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we learned that an energized conductor will build a magnetic field around it.this field is not same with both ac and dc circuits

A magnetic field is an invisible field that exerts a magnetic force on substances that are sensitive to magnetism. A classic example of one is the field created by an iron magnet; to see how the energy in such a field works, a small magnet can be placed under a piece of paper and iron filings sprinkled on it.

This important relationship between electricity and magnetism is known as electromagnetism, or the magnetic effect of current.

When DC current flows, the magnetic field will act in one direction.

when AC current flow will produce a magnetic field that varies in direction with the direction of the electron current flow.

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The object's kinetic energy is proportional to its mass.

By doubling the mass kinetic energy the roller coaster car's kinetic energy is also doubled.

In physics, an object's kinetic energy is the energy it has as a result of its motion. It is defined as the amount of work required to accelerate a body of a given mass from rest to a given velocity. Unless the body's speed changes, it retains its kinetic energy after gaining it during acceleration. The body does the same amount of work when slowing down from its current speed to rest. Formally, kinetic energy is any term in a system's Lagrangian that includes a time derivative.

Gottfried Leibniz and Johann Bernoulli established the principle in classical mechanics that by describing kinetic energy as the living force, vis viva. The Netherlands' Willem's Gravesande provided experimental evidence of this relationship.

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The momentum at the end of the 1.5s in component form a speed of 1.23 m/sec.

mgh=1/2mv²

v=√2gh

v=3.7 m/s

elastic collision

V=(m₁-m₂/m₁+m₂)v

=0.5-2.5/.5+2.5(3.7)

V₁=-2.47 m/sec

V₂=(2m₁/m₁+m₂)V

=2(0.5)/0.5+2.5

V₂=1.23 m/sec

In Newtonian mechanics, momentum is calculated as the sum of an object's mass and velocity. It has both a magnitude and a direction, making it a vector quantity. The momentum of an object is determined by its mass (m) and its velocity (v). Since velocity is a vector and mass is a scalar, momentum is a vector quantity. Momentum can be viewed as a body's "power" while it is moving, or the amount of force it can exert on another body. For instance, a baseball (small mass) thrown quickly can have the same momentum as a bowling ball (big mass) going extremely slowly (low velocity) (high velocity).

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The immune system is a complex network of organs, cells, and proteins that protect the body's own cells while defending it against infection.

The immune system keeps a record of every germ (microbe) it has ever defeated in order to quickly recognize and destroy the microbe if it re-enters the body.

The immune system, unlike the heart or the brain, does not have a centralized location in the body. Instead, immune system cells are produced in organs throughout the body, including the tonsils, lymph nodes, spleen, bone marrow, and adenoids.

Our immune system also weakens with age, as immune system tissues shrink and our white blood cell count and activity decrease.

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A rock is tossed straight up from a height of 1.20 m above the ground with an initial speed of 7.54 m/s. It will take 0.15 seconds to hit the rock ground

height = displacement = 1.20 m

initial speed = u = 7.54 m/s

final speed = v = 0

time = ?

Using kinematic equation

s = u*t + 1/2 * g * [tex]t^{2}[/tex]

1.20 = 7.54 t + 1/2 * 9.8 *  [tex]t^{2}[/tex]

= 4.9  [tex]t^{2}[/tex] + 7.54 t  - 1.20

t = 0.15 seconds

It will take 0.15 seconds to hit the rock ground

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It is accurate to say that the Mercalli, Richter, and magnitude scales are the three main scales used to measure earthquakes. These three scales were used to gauge the earthquake's seismic waves.

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Option C, Since there is no refraction and light travels in almost the same direction in both the glass as well as the unknown liquid, their indexes of refraction are identical.

Moving from the atmosphere to the glass causes the light to slow down. A prism's angle is 60 degrees, and its green light refractive index is 1.5.

The many media, or matter particles, through which light passes were used to gauge both its speed and how it appears to the human eye. To discern the different light wavelengths, the speed should slow down when the white light is revealed via the prism.

The following formula is used to get the refractive index:

n₁ sinθ₁  = n₂sinθ₂  

where n₁ and n₂ represent the observed difference and represent the diffraction pattern between two liquids.

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The cylinder will reach the bottom first.

In this case, the body acceleration should be applied to the incline.

Therefore, the equation listed below should be utilized.

gsin / (1 + k2 / r2) = a

Here

K is the gyrating radius.

r is the radius, and

Now

in hoop

k = r

gsin / (1 + r2 / r2) equals a.

= g / 2 x sinθ

0.5 gsinθ

as cylinder

k² = r² /2

A is equal to gsin / (1 + r2 /2 r2).

= 2 / 3 g sinθ

= .67 g sinθ

We can observe that the cylinder is more responsible for the acceleration.

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The GPE that the barbells have at max height is ,

3680.h j=11,000 units

where h= maximum height the barbells were lifted

work done by the championship lifter ,W = 11,000 units

weight of the barbells, N = 3680 N

The gravitational potential energy, P.E., the barbells had at their maximum height of lift is given as follows;

P.E. = m × g × h

Where;

m = The mass of the barbells;

g = The acceleration due to gravity = 9.8 m/s^2

h = The maximum height to which the barbells are lifted

m × g = The weight of the barbells = 3680 N

∴ P.E. = 3680 N × h = 3680·h J

we know the law of conservation of energy, according to this the work done by the weight lifter is equals to the maximum gravitational potential energy gained by the barbell is equal to energy at maximium height i.e P.E

therefore, GPE = 3680.h j = W = 11,000j is your answer.

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double the luminous flux of the light source is a way to exactly double the illuminance on an object.

The electromagnetic radiation that the human eye perceives as light, or visible light, is found in the region of the electromagnetic spectrum. Typically, visible light is characterized as having wavelengths between 400 and 700 nanometers (nm), or frequencies between 750 and 420 terahertz, which are intermediate between the infrared and ultraviolet (with longer wavelengths) (with shorter wavelengths).

The term "light" can be used more generally in physics to refer to electromagnetic radiation of any wavelength, whether or not it is visible.

This makes gamma rays, X-rays, microwaves, and radio waves also constitute light. Intensity, the direction of propagation, frequency or wavelength spectrum, and polarization make up the fundamental characteristics of light. One of the basic constants of nature is its speed in a vacuum, 299 792 458 meters per second (m/s).

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The distance travelled by the cart  on the flat surface before it comes to a stop is 1.25 m.

The acceleration of the cart is determined by applying Newton's second law of motion as shown  below.

F  = ma

a = F/m

a = 2 N / 0.8 kg

a = 2.5 m/s²

The velocity of the cart at the bottom of the hill is calculated as;

u  = √2gh

u = √(2 x 9.8 x 0.32)

u = 2.5 m/s

The distance travelled by the cart before stopping;

v² = u² - 2as

where;

2as  = u²

s = u²/2a

s = (2.5²) / (2 x 2.5)

s = 1.25 m

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The wavelength of the radiation is 2.93×10⁻⁷ m

Given,

The energy of photon E=6.78×10⁻¹⁹

now, E=hc/λ

λ=hc/E

=6.626×10⁻³⁴×3×10⁸/6.78×10⁻¹⁹

=2.93×10⁻⁷ m

Radiation is the emission or transmission of energy through a material medium or across space in the form of waves or particles.

According to the energy of the radiated particles, radiation is frequently classified as either ionizing or non-ionizing. Ionizing radiation has an energy level of more than 10 eV, which is sufficient to ionize atoms and molecules as well as rupture chemical bonds. Due to the significant difference in how destructive it is to living things, this is a crucial distinction. Ionizing radiation is frequently produced by radioactive substances that release radiation in the form of helium nuclei, electrons or positrons, or photons, respectively.

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The phase angle between the voltages of the inductor and capacitor in a RLC series circuit is 180 degrees.

RLC circuit contains resistor , capacitor and inductor. Resistor doesn't store energy but capacitor and inductor stores energy and that is the reason resistor is called a passive element and inductor and capacitors are called active element.

Inductor leads the current by a phase angle of 90 degrees and the voltage across the capacitor lags the current by 90 degrees, so the phase difference between the voltages of the inductor and the capacitor is 180 degrees in an LCR circuit.

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Given statements are correct according to ignition coil resistance.

Resistance testing could not accurately represent how an ignition coil performs in practice. Testing the current limits and charging rise time of the ignition circuit can be done using current ramping. A coil's state may always be determined by measuring the resistance of the coil. Testing of current ramping is done using a digital storage oscilloscope.

Although most ignition coils' primary resistance should range from 0.4 to 2 ohms, you should check the manufacturer's specifications for the exact value. If the reading is zero, the ignition coil needs to be changed since the primary windings have internally shorted.

The resistance of an ignition coil can always be used to assess its condition.

The actual operating conditions of an ignition coil might not be captured by a resistance test.

Current ramping can be used to test the current limitations and charging rise time of the ignition circuit.

A digital storage oscilloscope is used for the ramping tests that are currently being done.

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The capacitance and electric potential of the two capacitors are identical.

The charge stored and energy stored are also identical, as are the two capacitors' dielectrics.

The reason for this is that both capacitors have the same area, which is equal to the product of their radii multiplied by the distance between them. The two capacitors also have the same charge per unit area. So when you divide one by the other, you get a ratio of 1:1. This means that regardless of which capacitor you choose, it will store an equal amount of energy.

Additionally, if you choose to measure your capacitance by dividing your electric potential by your charge per unit area, then again, both capacitors will have identical values for this metric as well.

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By using components of the centripetal force, it can be calculated as Radius of the curvature of the track is 557.5 m

According to the centripetal force, the force is

[tex]F_{c} = \frac{mv^{2} }{r}[/tex]

where m is the mass of the object , v is the velocity and r is the radius of the curvature.

This Fc will have two components, FccosФ and FcsinФ.

FccosФ = mg

1.1 mgcosФ = mg

cosФ = [tex]\frac{1}{1.1}[/tex]

so, sinФ = 0.416

Now, FcsinФ = [tex]\frac{mv^{2} }{r}[/tex]

1.1mgsinФ = [tex]\frac{mv^{2} }{r}[/tex]

r = 557.478

r = 557.5 m

Hence the radius of the curvature is 557.5 m.

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The weight of box 2 and box 3 is 33.72N and 15.32N

According to Lami's Theorem, if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two forces. The magnitudes of concurrent, coplanar, and non-collinear forces that keep an object in static equilibrium are all related to Lami's Theorem. This theorem also aids in the analysis of most mechanical and structural systems. For all three forces used in Lami's Theorem, the proportionality constant is the same.

Given box1 weighs 31N

Given two angles 63 and 24

So the third angle will be

180 – 87

= 93

By using Lamis theorem

T_2/(SIN 93)=T_3/(SIN (90+63))=T_1/(SIN (90+24))

Here T1 = 31N

Weight of box 2 = w2 = 31/cos24 x sin 93

= 33.72

Weight of box 3 = w3 = 31/cos24 x cos 63

= 15.32

Therefore the weight of box 2 and box 3 is 33.72N and 15.32N

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Answer:

a = 6.27 m/s² - acceleration

Explanation:

Given:

F = 9 079 N

m = 1 447 kg

_________

a - ?

Acceleration:

a = F / m

a = 9 079 / 1 447 ≈ 6.27 m/s²

1. The x component of the force is 4.4 N

2. The y component of the force is 3.5 N

The following data were obtained from the question:

1. How to determine the x component

x component = FCosθ

x component = 5.6 × Cos 39

x component = 4.4 N

2. How to determine the y component

y component = FSineθ

y component = 5.6 × Sine 39

y component = 3.5 N

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