the stars in elliptical galaxies generally move either 1) in irregular orbits in all directions or 2) together in a particular direction as they orbit. what is the general motion for the stars in an elliptical galaxy?

Incoming X-ray photons ionize atoms in a gas-filled space in a Geiger-Müller tube, also known as a Geiger counter.

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The center of mass of the earth–moon system is located at a distance 4.6 × 106 m from the center of the earth.

Distance is a numerical or every so often qualitative size of how some distance aside items or factors are. In physics or regular usage, the distance may check with a physical duration or an estimation primarily based on other criteria.

The space between two factors in physical space is the period of an immediate line among them, that's the shortest feasible course.

It reduces the entire international or part of the arena to a small sheet of paper. At the same time as making a map, cartographers pay attention to properly constitute the distance between two locations.

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Solar cells and chloroplasts are similar in that they both harness energy from sunlight.

Plants and algae are natural biological solar collectors. These organisms support most life on Earth by capturing light energy from the sun and converting it into dense energy molecules through the process of photosynthesis. Both solar cells and plants get their energy from sunlight. Photovoltaic solar cells collect sunlight and convert it into electricity.

Plant leaves collect sunlight and convert it into stored chemical energy. Solar cells and plants do the same thing but in different ways. Solar energy is obtained as chemical energy in the process of converting water and carbon dioxide into glucose. Oxygen is released as a by-product. Cellular respiration uses oxygen to break down glucose releasing chemical energy and heat in the process.

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When heating a liquid on the stovetop the heated liquid become less dance and rises and the denser liquid things to the bottom this type of thermal energy transfer is called natural convection.

There are various type of thermal energy transfer methods like radiation, Convection and conduction. While heating a liquid on the stovetop, the less dense particles rises to the surface and the denser liquid sinks to the bottom. This method is called Convection method or natural convention method.

In this method, the actual movement of particle take place and the liquid particle which are heated rises upon the surface which allows the cool/denser to get heated and eventually allows the whole liquid to get heated and increase its temperature.

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240 miles is the  distance between dallas and houston.

1 inch=  50 miles

4. 8 inch= 50×4.8 = 240 miles

Distance is the length between two points or items, and it is directionless. Since distance is a scalar property, it solely takes into account the entire magnitude and ignores the start and finish locations. Being a scalar attribute, distance may only be positive or zero; it cannot be the opposite.

Although kilometers (km) and centimeters (cm) or millimeters (mm) can also be used to indicate shorter distances, the meter (m) is the most used unit of measurement for distance (mm). When calculating distance, the letter D is usually used to denote the distance traveled.

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The new force is 1/9 times of the original gravitational force

The force that binds all masses in the universe together, particularly the pull of the earth's mass on objects that are close to its surface. synonyms for gravity include gravitation and gravitational attraction.

The term gravitational force refers to the force that the earth exerts on a body. Examples of motion caused by gravitational force include the downward motion of water in a river, the downward motion of water in a stream, and the upward motion of a ball when it is thrown.

Let F’ be the force, when the distance between the two is tripled

therefore:

the “tripled ” acts on both the “3” and the “r” leaving 4r^3

Distance and gravitational force have an inverse square relationship.

F’ = F/9

Thus the new force is 1/9 times of the original force

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The equal resistance of the circuit is 10 Ω.

The current through each resistor is 3 A, 1 A, 2 A.

The power used by 5 Ω resistor is 45 watt.

Calculation:

Let us find out

Total resistance:

R = [tex]\frac{(4+2)X12}{(4+2)+12}[/tex]

R = [tex]\frac{12 X 6}{18}[/tex] = 4

So, total resistance

[tex]R_{eq}[/tex] = R + 1 + 5 = 4+5+1 = 10 Ω

Now in second circuit

Using kirchoff's law

30 = 1I + 4I+ 5I

I = [tex]\frac{30}{10}[/tex] = 3 A

So, current through

i) 1 Ω is 3 A

ii) 5 Ω is 3 A

iii) So, I = [tex]I_{1}[/tex] + [tex]I_{2}[/tex] = [tex]\frac{V}{12}[/tex] + [tex]\frac{V}{6}[/tex] = [tex]\frac{V}{4}[/tex]

 ∴ 3 = [tex]\frac{V}{4}[/tex] ,  V = 12

So, [tex]I_{1}[/tex] = 1 A and [tex]I_{2}[/tex] = 2 A

Now, let us find out

the power used by 5 Ω resistance

i.e., P = IV

I = current

V = potential difference

V = IR = 3 × 5 = 15 V

So. power p= 15 × 3 = 45 watt.

What is Resistance?

A substance's ability to obstruct the flow of electrical current is referred to as resistance. It is represented by the symbol R. The ohm, frequently written as a word and sometimes represented by the capital Greek letter omega, is the unit of resistance that is typically used.

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It depolarizes the atrial muscle and signifies the propagation of the excitation wave in both atria. It is a modest (= low) amplitude positive wave.

The atrial cardiac muscle depolarizes, resulting in the P wave. the complex is created by ventricular cardiac muscle polarization (note that atrial repolarization also occrus during this time, but it is hidden within the ventricular signal).

Long P-wave duration, a sign of abnormality in the left atrium, is linked to myocardial fibrosis, atrial fibrillation, and all-cause mortality. It is unknown if prolonged P-wave duration in the general population is linked to sudden cardiac death (SCD).

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The Young modulus for the wire is  7.44 * 10^9  N/m^2.

For the wire that is under discussion here, we have the following parameter for the wire;

Length of the wire = 20-m

Diameter of the wire = 3.2mm

Extension of the wire = 50 cm

strain of the wire = extension/ length of the wire

strain of the wire = 50 * 10^-2 m/20 m

= 0.025

The stress of the wire = Force/Area

= 1500 N/(3.14 * (3.2 * 10^-3)^2/4)

= 1.86 * 10^8 N/m^2

Young modulus = Stress/strain = 1.86 * 10^8 N/m^2/ 0.025

= 7.44 * 10^9  N/m^2

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Angular momentum about point O at this instant and the rate of increase in its speed using only kinematic equations is a= gsinθ.

Angular momentum =I.W

=mr²*V/r

Angular momentum=mvr

F=ma

mgsinθ=m.a

a=gsinθ

The kinematic equations are a collection of equations that explain the motion of an object with constant acceleration. Kinematics is a branch of physics that originated in classical mechanics and describes the motion of points, bodies, and systems of things without taking the forces that propel them. Kinematics is the study of the motion of mechanical objects, bodies, and systems without consideration of their related physical qualities and the forces acting on them. Kinematics equations need understanding of derivatives, rate of change, and integrals. The discipline, often known as the geometry of motion, employs algebra to mathematically represent these movements.

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Centripetal force .It's a force that acts on an object and allows it to keep moving in a circular path.

This allows the child to continue to travel in a circle.

How to measure the magnitude of the force?

Its magnitude is constant. And it basically depends on the mass of the object, it is acting upon. The radius of the circular path. And the speed which it is moving.

Hence its formula becomes

F= mc² r

Centripetal force always remains towards the centre.

Thus, a centripetal force is an external force acting on a rotating body.  And if a kid is moving in a circular motion constantly then it's because of centripetal force.

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The energy of motion ultimately converted to by a vehicle brake system is kinetic energy.

It is simple to see how an object's mass (m) and squared speed relate to its kinetic energy. The formula mentioned above states that an object's mass (1/2 m) and its squared velocity are used to calculate the body's translational kinetic energy.

Running and pacing. Cycling. When moving air strikes the blades of a windmill, it causes rotation, which ultimately results in the production of electricity. When moving water's kinetic energy strikes a turbine in a hydroelectric facility, it is transformed into mechanical energy.

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With a 0.25 coefficient of friction, a 5 kg block on a 20 degree ramp slides to the bottom. Block acceleration is 1.04 m/s2.

Fnet = m*a = m*g*(sinΘ-µ*cosΘ). a

= Fnet/m = g*(sinΘ-µ*cosΘ)

g*(sinΘ-µ*cosΘ) = 9.8*(sin20–0.25*cos20) = 1.04m/s²

An object can push or pull on other objects by using force. An object's rate of change in speed is referred to as acceleration. An object can exert force if it has mass and is traveling through space quickly. Newton's second law of motion explains this concept. According to Newton's second law, when a massive body is subjected to a constant force, it will accelerate—that is, change its velocity—constantly. In the most basic scenario, an object at rest accelerates in the force's direction when a force is applied to it. By means of gravity, a planet or other body pulls objects toward its center. All of the planets are kept in place by gravity.

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The force exerted by the roller coaster car on the loop's track at this position is 46600 N, also known as the upward force. Upward force is affected by net force and downward force. And downward force is affected by the gravity of the earth.

To calculate the upward force, we will use Newton's second rule of motion:

F=m·a

The following is how the upward force calculated:

Known variables:

m = 2000 kg

v = 18 m/s

r = 24 m

g = 9.8 m/s²

First, we need to find the roller coaster cas acceleration:

a = v²/r

a = (18.0m/s)²/(24.0)

a = 13.5m/s²

Net force (Fnet), as we mentioned above, is affected by the upward (F₀) and downward force (F₁) in the equation:

Fnet = F₀ - F₁

Net force is the mass of the roller coaster multiplied by its acceleration:

Fnet = m·a

Fnet = (2000kg)·(13.5m/s)

Fnet = 27000 N

Downward force (F₁) is affected by the gravity of the earth:

F₁ = m·g

F₁ = (2000kg) · (9.8m/s²)

F₁ = 19600 N

Therefore, the upward force (F₀) can be calculated using the equation:

F₀ = F(net) + F₁

F₀ = 27000N + 19600N

F₀ = 46600 N

As a result, the upward force that a 2000 kg roller coaster exerted with 18 m/s speed at 24 m radius loop is 46600 Newton

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If we stand near a campfire and we feel the heat without touching it is convection method, heat is coming through radiation.

In thermodynamics, heat has a very precise definition that differs from how we generally use the word. When two systems with various surface temperatures come into touch with one another, heat is the thermal energy that is transmitted. The letters q or Q stand for heat, and the unit of measurement for heat is joules.

Heat is sometimes referred to as a process quantity since it is defined in the context of a process through which energy can be conveyed. The heat that a hot cup of coffee delivers to your palm may be debated, but the heat that the cup of coffee holds is not. Another noteworthy quality is heat..

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The equation is because of all the atom of carbon, atom of oxygen, and the atom of hydrogen represents to balance the ideal of the equation.

What is the role of oxygen?

The energy-generating chemical that powers the metabolisms of most living organisms, respiration, depends heavily on oxygen. The oxygen in the air that we breathe is essential for keeping humans and many other animals alive. Plants and numerous types of microorganisms produce oxygen during photosynthesis.

How is butane formed?

Four carbon atoms make up the straight-chain alkane butane. It serves as a refrigerant and a food propellant. It is both an alkane and a gas molecule.

The presence of carbon, hydrogen, and oxygen atom are the important of ideal gas.

Therefore, the equation is because of all the atom of carbon, atom of oxygen, and the atom of hydrogen represents to balance the ideal of the equation.

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As you approach a steady light source, the wavelength of the emitted light appears shorter.

The distance over which a periodic wave's shape repeats is known as its wavelength. It is a property of both traveling waves and standing waves, as well as other spatial wave patterns. It is the distance between two successive corresponding locations of the same phase on the wave, such as two neighboring crests, troughs, or zero crossings. The spatial frequency is the reciprocal of the wavelength. The Greek letter lambda () is frequently used to denote wavelength. The term wavelength is also sometimes used to describe modulated waves, their sinusoidal envelopes, or waves created by the interference of several sinusoids.

Wavelength and frequency are inversely related for a sinusoidal wave traveling at a constant speed.

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Depending on the type of robot, we may use Grippers or Carts, reposition our load, and determine how this will affect the robot's reach.  To determine the impact on reach, specifics would be required.

Lever Arms/Grippers: By bringing the load closer to the base of the lever arm, the system's required torque can be reduced. To determine the impact on reach, specifics would be required. Is called Grippers

Carts: Relocating the load has no effect. To increase the cart torque available, increase the reduction gearing. Grippers, also known as hand grippers, are primarily used to measure and improve hand strength. It causes because of torque. One particular type of Carts strength is known as crushing grip, which is defined as a grip in which the four fingers, rather than the thumb, are the primary movers.

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For the beam that is attached to the wall from two ends the failure mode occurs at the point of application of force.

When a beam is attached to a wall on two ends, on both these points there is a normal force exerted by the wall on the beam. Therefore, any failure will occurs in between these two points due to an external force.

This failure or this maximum force that the beam can withstand can be found out by bending moment diagram. According to this diagram, the failure occurs at the mid-point of the beam. If the force is uniform or acting on the mid-point of the beam.

If the force is anywhere except at the mid-point then the failure occurs at the point of application of the force. The maximum force is present at the point of application and from the nearest end, the force linearly increases.

Therefore, any failure will occur at the point of application of force whether force is applied on the mid-point or any other point.

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The heat in joules transferred by a chemical reaction to the reservoir of a calorimeter containing 105 g of dilute aqueous solution is 1757.28 J.  

What is calorimeter?

Calorimeter is the device used to measure the heat during electrical, mechanical and chemical reactions and also to calculate heat capacity of the materials.

The heat transferred to a reservoir of a calorimeter can be calculated by,

Initial temperature (T1) = 21° C

Final temperature (T2) = 25° C

Change of temperature (ΔT) = T2 -T1 = 25 - 21 = 4° C.

Q = MC ΔT

where Q is the amount of heat transferred, C is the specific heat and ΔT is the change in temperature.

Q = 105g x 4.184 J/g° C x 4° C = 1757.28 J

Therefore, the heat in joules transferred by a chemical reaction to the reservoir of a calorimeter containing 105 g of dilute aqueous solution is 1757.28 J.  

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1/4 meter this way, 1/4 meter that way, and 1/4 meter back that way, finishing at the beginning.

Total: (1.00 meters) = (0.25 meters + 0.25 meters + 0.25 meters).

The farthest displacement or distance a wave or vibrating body's point may move relative to its equilibrium position It is equal to dividing by two the length of the vibration path.

The amplitude of a wave is its peak or trough height as measured from its center line (or stationary point).

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The four habits of the collision free approach are -look well ahead , move your eyes, keep space ,spot the problems.

To avoid any type of collision, a driver needs to take care about several factors. Any wrong turn will cost his life. Some of habits I am discussing here.

Always look ahead because any of distraction will cost his and the seating members life.

Proper movement of eyes should be taken care of as it is not necessary  that you are driving correctly so everyone around you are also driving correctly. We need  to take care about others also.

Always maintain space from the vehicle which is running ahead of you. If sudden brakes will be apply by the driver, will give us a very little response time to manage.

Whenever if we feel any of changes  will create problems always sticks to the given situation, do not try to change it.

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If I wanted to search for faint rings around a giant planet, the best option to make my observations is e)after the spacecraft passed the planet. So, correct option is e.

Planets having faint rings are:

Saturn -it is considered as the most attractive planet with rings in our Solar System, since they are made up of a very large ring system, which even has different areas and interior systems. Composition of rings are mostly of dust and ice particles.

Uranus-This planet too has a ring system. It is a less colorful system than that of Saturn, but more colorful than that of Jupiter. It is made up of a total of 13 well-defined and structured rings.

Neptune-The last planets in the Solar System  (since Pluto is not considered as the planet because of its extinction) that has a ring system is Neptune. This ring system looks similar to  Jupiter’s, very faint and difficult to identify without taking  help of very special equipment and space telescopes. It is composed mainly of the silicates, ice and some of organic compounds.

Hence, option e is correct.

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(Complete question) is:

If you wanted to search for faint rings around a giant planet by sending a spacecraft on a flyby, it would be best to make your observations.

Choose one:

a. while orbiting the planet.

b. as the spacecraft approached the planet.

c. during the closest flyby.

d. while orbiting one of its moons.

e. after the spacecraft passed the planet.

Accordingly, the route difference is six times the wavelength. The value of m for the path difference between the two signals is 6 and indicates that the two waves combine positively.

The frequency of radio waves is 1.667 GHz

Prior to the path difference between the two signals being mixed, a single wave front travels 1.260 mm further than another.

Both positive and destructive interference can occur under certain circumstances.

The path difference between constructive and destructive interference is (n+1/2) times the wavelength for the former and n times the wavelength for the latter.

In this instance, wavelength can be determined as follows::

λ = c/f

λ  = 3 × [tex]10^{8}[/tex]/1.427 × [tex]10^{9}[/tex]

λ = 0.210m

If we divide path difference by wavelength,

δ/λ = 1.259 / 0.210 = 5.9 ≈ 6

δ = 6λ

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We might have a trouble viewing the general part of galaxy because :   the Milky Way's center is so brilliant and filled with stars, it has been particularly challenging for astronomers to examine it because it is impossible to distinguish individual stars and clusters.

There are many stars, grains of dust, and gas in the Milky Way. It is known as a spiral galaxy because, from the top or bottom, it would appear to be whirling like a pinwheel. About 25,000 light-years from the galaxy's nucleus, the Sun is situated on one of the spiral arms.

The Milky Way galaxy is made up of billions of stars, as well as gas and dust, which are all drawn to one another by gravitational pull, as well as a significant amount of dark matter. Our galaxy is approximately 100,000 light years [e1] across.

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c code is written a class a private double instance variable named radius a private string class variable named color a constructor.

import java.util.Scanner;  

public class Circle

{

private string  double radius , area; private  String color;

Circle()

{        

this.radius = 2.0;        

this.color = "Green";

}

Circle(double radius , String color)

{      

this.radius = radius;        

this.color = color;

} public double getRadius()

{        

return radius;

}

public void setRadius(double radius)

{        

this.radius = radius;

}

public String getColor()

{        

return color;

}

public void setColor(String color)

{        

this.color = color;

}  

public double calculateArea()

{        

this.area = Math.PI*radius*radius;          

return  area;

 }  

public double getPerimeter()

{        

return 2*Math.PI*radius;

}

 }

class CircleTestingDriver

{        

public static void main(String[] args)

{                

String color;                

double per ,ar , rad;                

Circle c1 = new Circle();                

color = c1.getColor();                

ar = c1.calculateArea();                

per = c1.getPerimeter();                

System.out.println("Area and perimeter of circle c1 with radius "+c1.getRadius()+" is "+String.format("%.4f", ar)+" and "+String.format("%.4f", per)+" respectively");                                                   Scanner sc = new Scanner(System.in);                                  System.out.println("Enter radius for 2nd object");                

rad = Double.parseDouble(sc.nextLine());                                  

while(rad<0)

{                        

System.out.println("Radius cannot be -ve");                         System.out.println("Enter radius for 2nd object");                        

rad = Double.parseDouble(sc.nextLine());              

 }                                  

System.out.println("Enter color for 2nd object");                

color = sc.nextLine();                

sc.close();                

Circle c2 = new Circle(rad, color);                

ar = c2.calculateArea();                

per = c2.getPerimeter();                

System.out.println("Area and perimeter of circle c2 with radius "+c2.getRadius()+" is "+String.format("%.4f", ar)+" and "+String.format("%.4f", per)+" respectively");      

 } }

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If the diameter of house decrease fiction remain neglible then these will be no effect on the chance of cavitation because it does not depend upon the diameter.

What is friction?

When two bodies are in contact with each other, friction, a type of relative force, acts as a resistance. In other words, a force opposes the relative motion of two bodies when they come into contact with one another.

What is diameter?

The line through a circle's center with two extremes on its circumference is said to have a diameter. The term "semi-circle" refers to the division of a circle into two equal parts by its diameter. A circle's center is where its diameter meets.

Horse length= 39ft

diameter= 2.5¹¹

Patm= 11 psi

Area of hose

A= π/4*(2.5/12)²

A=0.03408ft²

A= velocity and flow rate

apply the Bernoulli equation .a and b

Pa/γ+Va²/2g+Zₐ=Pb/γ+Vb²/2g+Zb

Pa=Pb= Patm, Zₐ=0 Vₐ= 0

Zv= -14ft

0+0+0= 0+Vb²/2g-14

Vb= [tex]\sqrt{14*2g}[/tex]= [tex]\sqrt{14*2*32.17}[/tex]

Vb= 30.01 ft/s

flow rate Q=AV =0.03408*30.01

                         Q= 1.023 ft\s

b, Due to neglecting the friction the velocity of flow is more so that calculated discharge is over estimated.

c, negative pressure is occur at point C(Pc)

  Pc is below the atmosphere pressure positive is at bottom of tank

d, vapour pressure of water at 100F Pv =0.615psi

   apply energy equation between point A and C

   PA\Yw + Za + Va²/2g = Pc/γ + Zc + Vc²/2g

   11\Yw +0+0 = Pc\γ  + H +(30.01)²/2*32.17 (Vb=Va)

    for no cavitation Pc > Pv =0.615psi

    11/γ  -0.615/γw =H+13.98

    10.385*144/62.4 = H+13.98

     H< 9.98 ft

e.  if the diameter of house decrease fiction remain neglible then these will be no effect on the chance of cavitation because it does not depend upon the diameter.

Therefore, if the diameter of house decrease fiction remain neglible then these will be no effect on the chance of cavitation because it does not depend upon the diameter.

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Moving from high n media to low n media is like moving from slow media to fast media. Such rays bend away from the normal.

Refraction of light when traveling from a fast medium to a slow medium bends the ray towards the normal boundary between the two media. The amount of bending depends on the refractive indices of the two media and is quantitatively described by Snell's law. When a wavefront enters a new medium at an angle, it changes direction.

When light hits an optically dense medium it bends toward the normal. When light enters an optically less dense medium it bends from a normal line. When light enters a material with a high index of refraction it slows down. Light bends towards the normal. When light enters a substance with a low index of refraction it accelerates. Light bends away from the normal.

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The moment of inertia uniform rod is 0.7500 kg-m².

Oscillation is the repetitive or periodic version, usually in time, of some measure approximately a principal fee or among or extra exclusive states. familiar examples of oscillation consist of a swinging pendulum and alternating current.

The moment of inertia is 0.7500 kg-m².

Given that,

Mass = 2.2 kg

Distance = 0.49 m

If the length is 1.1 m

I = 1/12mt² + mx²

 = 1/2 × 2.2 × (1.1)² × (0.49)²

 = 0.7500 kgm⁻²

A wave is stated to oscillate, which means to transport to and fro in a normal, repeating manner. This fluctuation may be among extremes of function, force, or quantity. different types of waves have distinctive styles of oscillations. Longitudinal waves Oscillation is parallel to the route of the wave.

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Disclaimer:- your question is incomplete, please see below for the complete question.

A uniform rod of mass M and length L is free to swing back and forth by pivoting a distance x from its center. It undergoes harmonic oscillations by swinging back and forth under the influence of gravity. Randomized Variables M=2.2 kg x= 0.49 m 33% Part (a) In terms of M, L, and x, what is the rod's moment of inertia / about the pivot point?

Due to its greater bulk than a car, a truck has more KE.The mass of a truck is more than the mass of a vehicle if v is the same.

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