For A Hit In Baseball, Compare The Force Exerted By The Bat On The Ball To The Force Exerted By The Ball (2024)

The Galaxy Milky Way is 100 million times bigger than the solar planetary System. Hence, on a 1-to-10 billion scale, The Galaxy Milky Way is about 100,000 light-years across while the solar system is 1.9 light-years across.

The Solar Planetary System is a system that is gravitationally bound. It includes the Sun and the planets that orbit it directly or indirectly. The biggest of the objects that orbit the Sun directly are the 8 planets, with the dwarf planets and small Solar System bodies making up the most. Natural satellites orbit the Sun indirectly. Since it lacks a definite limit, determining the extent of the Solar planetary System is difficult. The size of the solar system is [tex]10^{10}[/tex] km.

A galaxy is a gravitationally bound set of stars, dust, and hydrogen. Galaxies can be seen all over the world, and their sizes differ tremendously. Supermassive black holes are believed to exist at the cores of almost all large galaxies. Lenticular galaxies, irregular galaxies, Spiral galaxies, and elliptical galaxies are the four primary groups of galaxies. The size of a galaxy is [tex]10^{18}[/tex] km.

The result obtained by comparing Milky Way's size to the Solar planetary System is, the Galaxy Milky Way is 100 million times bigger than the solar planetary System.

It is calculated by:

Size of a galaxy= 1,000,000,000,000,000,000 ([tex]10^{18}[/tex] ) km

Solar planetary system’s Size = 10,000,000,000 ([tex]10^{10}[/tex] ) km

Thus,

([tex]10^{18}[/tex] km / [tex]10^{10}[/tex] km) = [tex]10^{8}[/tex]

Hence,

The Galaxy Milky Way is 100 million times bigger than the solar planetary System. Hence, on a 1-to-10 billion scale, The Galaxy Milky Way is about 100,000 light-years across while the solar system is 1.9 light-years across.

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The wavelength of WFNX’s radio waves with the given speed and frequency is 2.95m.

What is wavelentgh?

Wavelength can be defined as the distance between two successive crests or throughs of a wave.

The wavelength of WFNX’s radio waves with the given speed and frequency is 2.95m.

Given data in the question;

Speed of wave; c= 3×10^8

Frequency of wave; 1.017×10^8

wavelength; ?

To determine the wavelength of the radio wave, we use the expression for the relations between wavelength, frequency and speed.

C\f

Where is wavelength, f is frequency and c is the speed.

We substitute our given values into the equation

=2.95

Therefore, the wavelength of WFNX’s radio waves with the given speed and frequency is 2.95m.

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It is desired to project the image of an object four times its actual size using a lens of focal length 20 cm, then the object should be placed 25cm away from the lens.

What is meant by lens?

Lens is a transmissive optical device which focuses or disperses light beam by means of refraction.

Given focal length, f= 20 cm

and h1= 4h0

So, h1/h0= m = 4

Hence, v/u = 4

and v= 4u

As, 1/v - 1/u = 1/f

Now, 1/4u-(1/-u)= 1/20

5/4u= 1/20

So, u = 25 cm

The object should be placed 25cm away from the lens.

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The greater value of work for object A can be true if object B is pushed at a much smaller distance. Therefore, option B is correct.

What is the work?

Work can be described as the energy utilized when a force is exerted to move a body through a specific distance. The work done describes both the exerted force as well as the displacement of the object.

The action of the applied force is to move a system in a straight line in the direction of the exerted force over a distance 'd'.

W= F ×d

Where 'd' is the displacement by an object, F' is the exerted force, and W is work done.

Given the force experienced by the object B is greater than object A:

[tex]F_{B} > F_A[/tex]

Now we know that the work done only depends upon the force and distance. In order to have a greater value of the work for object A. Object B is pushed a much smaller distance than object A.

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The Molecular Mass of ideal gas as per kinetic theory is 12.541 g.

The square root of the average square velocity is known as the root mean square or RMS velocity. Its units of velocity reflect this. Since all of the particles in a typical gas sample are moving in all directions, the net velocity for that sample is zero, which is why we use the rms velocity instead of the average. The square root of the average square are of the velocity is the root mean square velocity. Since the particles in a typical gas sample are moving in all directions, the net velocity is zero, which is why we use the rms velocity rather than the average velocity.

V=√[3RT/M]

squaring both sides of equation

V²=3RT/M

M=3RT/V²

M= 3 x 8.3 x 273/542

=12.541 g

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a > g , is the best shows the magnitude a and the direction of the ball's acceleration at time.

What is acceleration?

Acceleration is the rate at which the speed and direction of a moving object change over time. A point or object travelling in a straight path is accelerated if it accelerates or decelerates. Even if the speed is constant, motion on a circle is accelerated because the direction is always changing.

Given data

The velocity of the ball is: V

The angle of velocity with the horizontal is (θ) = 45

The acceleration of the ball is: a

The acceleration due to gravity is: g

When the hollow ball is projected into the air, air resistance will act on the ball that will slow down the ball's motion. Therefore the velocity direction is opposite to the reducing force. The reducing force relates to the opposite to the acceleration of the hollow ball.

F(delaying) ∝ -VF(delaying) ∝ m×a(r)×F(delaying) ∝ a(r)

Here m is the mass of the hollow ball.

The force of gravity on the ball which is acting downward given as:

F(gravity) ∝ g

So, a > g

Correct option: (B)

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Answer: 3 kg

Explanation:

The formula for potential energy is Ug=mgh where Ug is potiental energy, m is mass, g is the acceleration caused by gravity which is either 9.8 m/s^2 or 10m/s^2 depending on your textbook and h is the height and or displacement. So…

120 = m(10)(4)

120=40m

m= 3 kg

Answer:

Explanation:

Given:

h = 4 m

W = 120 J

g = 10m/s²

_________

m - ?

W = m*g*h

m = W / (g*h) = 120 / (10*4) = 3 kg

The magnitude of the electric field will be greater where the lines of the charges are closest to each other.

An electric field is defined as an area that holds the electrically charged particles in its physical field and the electric field also exerts a force on all charged particles either attracting them or repelling them. If the force that is exerted on the charged particle varies from one point in the field to other then the electric field is said to be non-uniform.

In opposite charges, zero is not a possibility between two charges because the field vectors from both opposite charges will head toward the negative charge.

So we can conclude that the point where the field is zero does not exist.

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Answer:

12tfr

Explanation:

as per as calculations

Answer:Cutting, bending, dissolving, freezing, boiling, and melting

Explanation:

You add information on the x-axis to represent a scale of values for the total electric vehicle sales and on the y-axis to represent the time periods (2015 and 2020). (False)

What does data analytics "spotlighting" mean?

A technique for displaying discrete thresholds based on the values of a metric is spotlighting. Consider color-coding sales so that those over 10,000 appear in green and those below 10,000 appear in red. A spotlighting calculation is merely another word for a computation that produces a discrete measure.

Keep in mind that the x-axis is one of the axes of a two- or three-dimensional graph. In a graph using a cartesian coordinate system, the x-axis is the horizontal plane that gives each point along the x-axis and y-axis a numerical value.

As a result, using spotlighting, you can quickly identify the most important insights by skimming over the data in light of the aforementioned query. Data analysts can recognize broad, general concepts and messages by using spotlighting.

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The change in the insects' coloration over time can be explained by evolution of insect body coloration under changing climates.

What is evolution of insect body coloration under changing climates?

In studies on colour variety, its evolutionary causes, and the mechanical underpinnings of such variation, insects have served as important models. Recent research suggests that insect colour is adapting to the rapid climatic change. However, because a variety of biotic and abiotic factors can interact and mediate colour change, it is still difficult to determine the causes of colour variation within populations and species, as well as across space and time. Here, we discuss some of the difficulties and most recent developments in this area.

We begin by outlining the main competing theories for how climatic conditions affect insect colour variation.

Second, we examine the evidence that insect colour is now evolving adaptively in response to climate change.

Following this, we address elements that may help or hinder colour evolution in reaction to climate change. Finally, we suggest avenues for future work and identify gaps in this area of study.

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Sources of mineral resources are most commonly magma, sediments, or hydrothermal fluids.

Examples of mineral resources are iron, diamond, gold, silver, copper, aluminum, granite, marble, clay, salt, rare earths or fossil fuels.

What are mineral resources?

A mineral resource is a concentration of natural solid inorganic or fossilized organic matter, including metals, coal and minerals, in sufficient quantity and quality to have reasonable prospects for economic exploitation. This definition has a broader scope than mineral reserves that are likely to be economically recovered based on consideration of technical, economic, and legal concerns.

Mineral resources means minerals, naturally occurring solid inorganic substances, or naturally occurring solid fossilized organic substances (including base metals, precious metals, coal and industrial minerals), in or on the earth's crust, such Means concentrated or occurring in form and quantity and in its grade or quality. There are reasonable prospects for economic development. The location, quantity, grade, geological features and continuity of Mineral Resources are known, estimated or interpreted on the basis of specific geological evidence and knowledge.

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Percentage of the vehicle's kinetic energy is stored in the wheels is 9.64%

Kinetic energy is the energy possessed by the object due to its motion. [ It is defined as the work required to accelerate a body of specified mass from rest to a specified velocity. After the body acquires this energy during acceleration, it retains this kinetic energy as long as the velocity does not change. The same work is done when the body slows down from its current speed to rest. Formally, kinetic energy is any term in the Lagrange of a system that includes the time derivative.

In relativistic mechanics, this is a good approximation only if v is much smaller than the speed of light. The standard unit for kinetic energy is the joule, while the British unit for kinetic energy is the foot-pound.

I = rg2*m

rotational KE of wheels = 0.5Iω2= 0.5(rg2*m)*(v/r)2

4KE = 2(rg2*m)*(v/r)2 = 2(9.92*34)(792/11.12) = 337588.41

total kinetic of wheel = 4(0.5mv2) + Rotational KE = 761976.41

KE of car = 0.5mv^2 + Rotational KE wheel = 7904800.91

% =(Total KE of wheel / Total KE of car)*100 = 9.64%

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Answer:

1/ Better Health

2/ Reduce injury posibility

3/ Increase energy level when exercising

4/ Bigger muscle

5/ Prevent disease

Explanation: The training helps you get the five benefits above. There is more benefit, but I think the five above are the most important!

a). the rocket's maximum altitude is 54.8km .

b). the rocket in the air 227.6 s

Calculation :

Given data

The mass of the rocket is mr=200kgThe mass of the fuel is mf=100kgThe acceleration is ao=30m/s²The time period is t1=30s

The expression from the equation of motion can be given as,

v₁²−v²=2gs1......(1)

The velocity during the first phase can be calculated as,

v1=vo+at1

v1=0+(30×30)

v1=900m/s

(a)

The altitude attained during first phase can be calculated as,

s1=v²₁ / 2a

s1=900/(2×30)

s1=13500m

Substituting the values in equation 1 for distance travelled during second phase,

(900)²−0=2×(9.8)×s₂

s2=41326.5m

The maximum altitude attained by rocket can be calculated as,

s=s1+s2

s=13500+41326.5s

=54826.5m

s=54.8km

(b)

The total time period can be calculated by the expression,

t=ta+td......(2)

The time taken in second phase of the motion can be calculated as,

v=v1+gt2

0=900−(9.8)t2

t2=91.8s

The time of ascent can be calculated as,

ta=t1+t2

ta=30+91.8

ta=121.8s

The time of descent can be calculated as,

td=√(2s/g)

td=√(2×54832.5)/(9.8)

td=105.8 s

Substituting the values in equation 2,

t=121.8+105.8

t=227.6 s

Thus, the duration of rocket in the air was 227.6 s

(c)

Figure

From the figure,

At point A, fuel was out.

At point B, rocket attended maximum altitude.

At point C, rocket fell on ground.

Acceleration is the rate of change of an object's velocity with respect to time. Acceleration is a vector quantity (as long as it has magnitude and direction). The direction of an object's acceleration is given by the direction of the net force acting on that object. As described in Newton's second law the magnitude of an object's acceleration is the combined effect of two sources.

The mass of this object is inversely proportional to the mass of the object, depending on the material from which it is made.

The SI unit of acceleration is meters per second squared.

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The weight of (i.e. the force of gravity on) 9 kg satellite that is at a distance 2r above the surface of the earth is calculated as 9.79 N.

How is weight defined?

In science and engineering, the weight of an object is defined as the force acting on the object due to gravity. It is a standard mechanical quantity but sometimes, it can be defined as a vector quantity, the gravitational force acting on the object.

Given m= 9kg g = 9.8m/s²

As we know, Weight, W = m* a

Acceleration due to gravity at height 2r; h = 2r

a =g r²/(r+ h)²

= gr²/( r+ 2r)²

= gr²/9r²

=g/9

=9.8/9

= 1.088 m/s²

W = m* a

W= 9 * 1.088

Weight = 9.79 N.

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Answer:

The SI unit of Area is meter square (represent as m2)

The SI unit of pressure is one newton per square metre ( represent as N/m2).

If the bob of a straightforward pendulum swings between points X and Y, then its period is 0.86 seconds.

What does a pendulum do and why does it swing?

a system made composed of a string that hangs from an overhead support as well as an object at the string's bottom. Gravity and the string's combined force cause the object to swing back and forth. Bob the Pendulum any item that is dangling from the pendulum string.

Why is the pendulum significant?

Because a pendulum travels back to towards the mean position due to the influence of gravitational force, it is used to gauge the gravitational effect. A pendulum can be used to identify the moment because its time period is constant. A clock's hands are kept moving by a pendulum inside.

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Technology is the universe of tools, means, and methods through which we interact with our environment. [TRUE]

Benefits of Technology in Everyday Life

Apart from being divided into several types, technology will then provide many benefits in all fields.

1. Easy to receive information

The first positive side of technological development is the ease of receiving information, both locally and internationally. Unlike in the past, in this modern era, we don't have to bother buying newspapers.

2. Easy to communicate

With the messaging application that can send messages, both voice messages and text messages as well as telephone, which will then make it easier to communicate. Unlike the past, communication still has to be through letters and you have to send it to the post office. This letter cannot directly reach the recipient of the letter. It also requires quite expensive costs and takes a long time.

3. More Practical Shopping

In the past we had to go to the market or other shopping places and it took a long time. It's different from now, you can simply order various needs just by using an online shopping application. Then pay for it and wait for the order to arrive at home without the hassle of leaving the house.

4. Learning becomes easier

In the past we had to buy thick books and cost a lot. Right now you only need to buy ebooks, although not a few are paid, but there are many e-books that you can get for free. Besides being able to read books easily, the rapid development of technology will then facilitate the teaching and learning process. Especially during a pandemic like this. The benefits of this technological development are also very necessary for students and teachers who teach.

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A body is said to be in thermal equilibrium where all the system temperatures are the same.

What is thermal equilibrium?Take a well insulated beaker and pour water of known mass in it. Record its initial temperature.Place heated metal into the beaker and make sure that the beaker is tightly packed so that no heat escapes from the beaker.Record temperature of the beaker at different intervals and after temperature has become constant ( No heat is being gained) , note the final temperature In end we will check whether thermal equilibrium is established or not.heat lost by the metal = heat gained by water + heat gained by the beaker If you are working with closed systems, you need to know the mass of water, its initial temperature, the specific heat of the water (which is 1 cal / g °C), the mass of the environment with which the water is in contact, its initial temperature and the specific heat.A body is said to be in thermal equilibrium where all the system temperatures are the same. In this case, there will be no temperature gradient between the system and the environment.While, A body is said to be in thermodynamic equilibrium if all three requirements of equilibrium are met, i.e. mechanical equilibrium, chemical equilibrium and thermal equilibrium.

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Hot a most massive planet, Jupiter uses the same mass star for all schematics.

What is gravitational and example?

Some examples of the power of gravity are as follows: the force that holds the gases in the sun. the force used to propel a ball downward after it has been hurled into the air. the mechanism that causes a car to drift downhill even when the gas pedal is not depressed. a glass you dropped hitting the ground with power.

Why is it called gravitational force?

Because it consistently attempts to pull masses together rather than pushing things apart, the gravitational force is known as attractive. It is obvious that the gravitational force is inversely correlated with the masses of the two interacting objects.

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Answer:D

Explanation:

Answer:

As the patient passes through the CT imaging system, a source of x rays rotates around the inside of the circular opening. A single rotation takes about 1 second. The x-ray source produces a narrow, fan-shaped beam of x rays used to, irradiate a section of the patient's body.

The patient table is continually pushed through the gantry's hole as the x-ray tube revolves around the patient. This enables the acquisition of a continuous set of attenuation data in a helical or spiral manner; as a result, this generation of scanner is known as a helical/spiral scanner.

What is CT Scan Machine?

A narrow x-ray beam is quickly spun around a patient's body during a procedure known as "computed tomography," or CT. This produces signals that are then analyzed by the machine's computer to create cross-sectional images, or "slices," of the patient's body.

These sections, which are known as tomographic pictures, can provide a clinician with more specific information than traditional x-rays. A three-dimensional (3D) image of the patient can be created once a number of successive slices have been collected by the machine's computer. This makes it easier to identify the patient's basic anatomy as well as any potential tumors or anomalies.

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To find the mass of the cat, you can use the formula for kinetic energy, which is:

KE = (1/2) * m * v^2

where KE is the kinetic energy, m is the mass, and v is the velocity.

You can rearrange this formula to solve for mass:

m = (2 * KE) / v^2

Plugging in the values given, you get:

m = (2 * 91.7 J) / (4.65 m/s)^2

Solving this equation gives a mass of approximately 2.07 kilograms.

These are the correct statements. 1) Most asteroids show no evidence of geological activity. 2) Most asteroids have been broken by impacts. 3) There are some asteroids found in Jupiter's orbit. 4) Kirkwood's gaps are caused by Jupiter.

Asteroids have no internal heat, so they are not geologically active.

The asteroids were formed in the early solar system from the gradual agglomeration of smaller particles. Their growth was restricted because of mutual collisions that impacted them to fragment.

The Jupiter trojans are found in the planet Jupiter's orbit.

The Kirkwood gaps are created by the orbital resonances between Jupiter and the asteroid belt. Orbital resonances is defined as the simple integer ratios of the distances between bodies in the case the overlapping gravitational forces create a pattern of strong and weak gravitational fields.

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When asked to assist with tasks that MOST likely occurred in Paxton's life, he complains.

What is a another word for demonstrated?

Demonstrate is often used interchangeably with the words prove, evince, manifest, and display. Demonstrate suggests demonstrating through action or just by displaying feelings whereas all these terms mean "one reveal openly or make evident." They applauded vociferously to show their approval.

What is a demonstrated experience?

Whenever listing "Demonstrated Experience" on your resume, be sure to include the following information: (1) Whenever a skill was used, (2) Where it was used, (3) For how long, (4) How it was used, (5) Your interactions with other people while using the skill, and (6) The project's topic.

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Answer:

Q = (80 - 20) deg C * 1.3 kg * 4184 J / (deg C kg) = 326,000 Joules

The energy source of quasars or active galaxies is currently thought to be matter falling toward a massive black hole in the center of a galaxy, according to persuasive evidence discovered by astronomers.

How does science define energy?

The definition of energy is "capacity to do activity, which is ability to apply force causing motion of an object." Energy is simply the force that moves objects, despite this definition's seeming complexity. Both potential and kinetic energy fall under this category.

what is The importance of energy

Due to the fact that it is a fundamental human requirement, energy is crucial to our daily existence. Our constructions, which are constructed by humans, are heated and cooled by energy. Even the simplest tasks like lifting your finger or getting out of bed require energy.

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Answer:

The tendency of a dog to bark defines entirely on the type of environment and the situation the dog looks at. Hence the correct answer is option.