help, please !!!!! and if you are not going to give me an actual answer don't answer at all.

The base ball would have more acceleration than the bowling ball. Option C.

We know that from the Newton second law of motion, force is the product of the mass and the acceleration of an object. We can write that; F = ma

F = force

m= mass

a= acceleration

It is clear from the equation that we have shown above that the accaleration of the object does not only depend on the force but also on mass of the object. We can now write;

a = F/m

The higher the mass the lesser the acceleration of the object as we saw above.

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ANSWER:

B. 8

STEP-BY-STEP EXPLANATION:

The time it takes for light to reach the earth can be calculated as follows.

We know the distance from the sun to the earth (150 million kilometers) and the speed of light (300 thousand kilometers per second), therefore:

Which means that the correct answer is B. 8

The light we see from the sun right this second left about 8 minutes ago.

Normally, materials are electrically neutral because there are equal numbers of positively charged particles and negatively charged particles, hence option D is correct.

Since there are exactly as many electrons in an atom as there are protons, the positive and negative charges "balance out," leaving atoms electrically neutral.

Neutrons are found in the nuclei of all atoms, with the exception of the majority of hydrogen atoms. Neutrons are electrically neutral, as opposed to electrically charged protons and electrons.

Therefore, due to having an equal number of positively charged particles and negatively charged particles materials are electrically neutral.

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It is to be noted that the correct expression for the gravitational force exerted on the astronaut by Earth on the basis described above is:

Fg=G MeMa/r²e

Gravity is a basic interaction in physics that produces mutual attraction between all entities that have mass or energy.

Gravity maintains the planets around the sun and the moon orbiting the Earth. The moon's gravitational pull attracts water, causing ocean tides. Gravity creates stars and planets by attracting the elements that go into their formation.

Gravity waves are 'ripples' in space-time caused by some of the most destructive and powerful occurrences in the Universe. In 1916, Albert Einstein predicted the existence of gravitational waves in his general theory of relativity.

The gravitational force has the lowest non-contact strength in nature. It adheres to the inverse square law. It is always positive. It is directly proportional to the product of the two bodies' masses.

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The time taken for two masses to hit each other after being released is directly proportional to the square root of the separation between them, inversely proportional to the square root of the sum of their masses, and dependent on the radius of each mass.Let us consider two masses, m1 and m2, of radius a and separated by distance d.

The separation between the two masses is given by (2a - d).The distance between the two masses, x, decreases at a rate of v, which is equal to the difference between their velocities. Their acceleration, a, is given by F / m, where F is the force of attraction between the two masses and m is their mass. Hence, we have, F = Gm1m2 / d2. Thus, a is given by a = (Gm2 / d2) * x, where G is the gravitational constant.The two masses start at rest. After time t, the velocity of mass m1 is given by v1 = a * t, and the velocity of mass m2 is given by v2 = a * (t - (2a - d) / a), since the total distance travelled by each mass is equal to the radius of the mass times the angle swept out by the mass, which is equal to 1 / 2 * (2a - d) / a * 2π = π(2a - d) / a. Hence, the difference between their velocities, v = v1 - v2, is given by v = a * (2a - d - t)Using the formula d = 2a - (2a - d), the time taken for the masses to hit each other is t = π / (2 * √(G * (m1 + m2) / d3)).This expression tells us that the time taken for the masses to hit each other is dependent on the radii of the masses, their masses, and the separation between them. The closer they are, the shorter the time taken. The heavier they are, the longer the time taken. The larger their radii, the longer the time taken. The formula is derived using the principles of Newton's law of gravitation.

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The change  in momentum is 435.6 Kgm/s

Newton's second law of motion states that the rate of change of momentum of an object is directly proportional to the force applied, and the change in momentum takes place in the direction of the applied force.

The mathematical expression of Newton's second law is as follows:

F = dp/dt

where F is the force applied on the object, p is the momentum of the object, and t is time. dp/dt represents the rate of change of momentum over time.

From this equation, we can see that the change in momentum (Δp) of an object due to a force is equal to the product of the force (F) and the time (Δt) over which the force is applied:

Δp = F Δt

From Newton's law;

Ft = mv - mu

Where mv - mu = Δp or change in momentum

Then;

Ft = 48.4 * 9 = 435.6 Kgm/s

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Answer:

speeding up

Explanation:

because its speeding up, theres going to be more newtons in the back

i really hope this is right, tell me if so

When the balloon is kept in the sun, due to Sun's heat, the kinetic energy of gaseous particles inside the balloons also gets increased and the balloon expands. This will increase the pressure on the walls of the balloon. It continues to expand and comes to a stage when the baloon bursts.

A fuel is compressed from a volume of two.00 l to 1.00 l at a consistent pressure of 2.00 atm. The work done on the gas during this compression process is 2.00 L atm.

So, ΔV = (1.00 L - 2.00 L) = -1.00 L (since the volume decreases during compression).

Substituting those values into the components, we get:

W = - (2.00 atm) x (-1.00 L)

W = 2.00 atm x 1.00 L

W = 2.00 L atm

Compression is the process of reducing the size of a file or data by encoding it in a more efficient way. The goal of compression is to minimize the amount of storage space required to store data or to reduce the amount of time needed to transmit data over a network.

Compression works by identifying patterns in the data that can be represented in a more concise form. For example, if a file contains repeated sequences of data, compression algorithms can represent those sequences with a shorter code that refers back to the original sequence. Lossless compression preserves all the original records, at the same time as lossy compression discards a number of the data so as to achieve higher stages of compression.

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The increments are  Meters and Yards.

Meters and Yards are used to measure the swimming pools. In the Olympic Games, and the other international competitions such as the Goodwill Games, pools are measured in meters.

There are two regulation pool sizes that exist in this world of competitive swimming. They are:

Although metric and non-metric pool lengths are actually used in USA Swimming competitions, FINA only accepts international records swum in long course pools.

Hence, the length of swimming pools is measured in  Meters and Yards.

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Catastrophic events are large-scale disasters that disrupt the normal functioning of a community or region and cause extreme damage and loss of life. These events can be natural disasters such as earthquakes.

Disasters are events that cause significant damage, loss of life, and suffering to people and the environment. They come in many forms such as natural disasters like earthquakes, floods and hurricanes, or man-made disasters like oil spills and nuclear accidents. Disasters can have long-term effects on the environment, economy, and people’s lives, and can leave entire communities struggling to recover. Governments and organizations around the world work together to reduce the impacts of disasters and prepare for future events.

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Catastrophic events are large-scale disasters that disrupt the normal functioning of a community or region and cause extreme damage and loss of life. These events can be natural disasters such as earthquakes.

Disasters are events that cause significant damage, loss of life, and suffering to people and the environment. They come in many forms such as natural disasters like earthquakes, floods and hurricanes, or man-made disasters like oil spills and nuclear accidents. Disasters can have long-term effects on the environment, economy, and people’s lives, and can leave entire communities struggling to recover. Governments and organizations around the world work together to reduce the impacts of disasters and prepare for future events.

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Answer:

10 N south

Explanation:

It cancels out the north allowing the object to keep going west :)

i think this might be wrong so like don't trust me-

Answer:

Explanation:

if u just look at it yk u can see it

The basic definition of a black hole is -

D) any object from which the escape velocity exceeds the speed of light.

What is a blackhole?

Stellar, intermediate, supermassive, and miniscule black holes are the four main categories. Stellar death is the process that creates black holes most often. Most dying stars will expand, lose mass, then cool to form white dwarfs as they approach the end of their lives. However, the biggest of these flaming bodies, those at least 10 to 20 times as massive as our sun, are doomed to become either super-dense neutron stars or so-called stellar-mass black holes.

Hence, option D is correct.

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Answer:

True

Explanation:

Incandescence material are those which glow on being heated above a particular point.  For example an incandescence bulb which has a filament. when the filament is heated it starts to glow.

The least energy efficient type of electronic lights typically used in residential buildings are usually called incandescent lamps. Although ineffective, incandescent lamps provide a variety of important advantages, they are inexpensive to purchase, turn on instantly and are available in a wide range of sizes and shapes.

I believe a scale is good

Explanation:

apparent apparent weight is how hard astronaut pushes against it which is the normal force

n m a y + mgm open parenthesis y + and close parenthesis and = m open parenthesis a y + and so i need the acceleration of the astronaut since initial velocity is 0 and yby over l 45 m per second over 15 x 30.0 m m per second squared

Answer:

The answer is below.

Explanation:

According to geographical coordinates and related information, when the latitude is lower, that is closer to the equator the temperature becomes warmer. While the far away from the equator the latitude is the temperature decreases.

Similarly, the water bodies have a relative effect that is considered little or less severe on the temperature throughout any of the seasonal period or day and night.

In three-phase equipment, the voltage across the X-ray tube drops to zero every 180 degrees and is typically between 87% to 96% of the maximum value. The voltage is not at a nearly constant potential. The correct answer is C. 1 and 2 only.

In three-phase equipment, the voltage across the X-ray tube exhibits certain characteristics. Firstly, the voltage drops to zero every 180 degrees. This occurs because the three phases of the alternating current are out of phase with each other, resulting in a cyclical pattern where the voltage crosses zero at regular intervals.

Secondly, the voltage across the X-ray tube is typically between 87% to 96% of the maximum value. This is due to the nature of three-phase power distribution, where the voltage levels are maintained within a specific range to ensure proper operation of the equipment.

However, the statement that the voltage is at nearly constant potential (option 3) is not accurate for three-phase equipment. The voltage across the X-ray tube in three-phase systems experiences variations as it follows the cyclical pattern described above.

Therefore, the correct options are 1 and 2, making answer choice C the correct one.

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A) Its relative humidity is 100% - This is the correct option. When air is saturated, its relative humidity is at 100%, which means that it contains the maximum amount of moisture possible at that temperature.

Humidity is the amount of water vapor in the air. It is an important physical property of the atmosphere and is related to the temperature and pressure of the air. It is typically expressed as a percentage of the maximum amount of water vapor that can be held in the air at a given temperature. High humidity can cause discomfort, making it difficult to cool off, while low humidity can cause dry skin and other health issues. Humidity also affects the rate of evaporation and can affect weather patterns.

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Complete Question:
Air is saturated when  _______________

A ) Its relative humidity is 100%

B ) It contains minimum amount of moisture possible at that temperature

C ) Its relative humidity is 0%

D) None of these

Answer:

Sound

Explanation:

A sound wave is a pressure wave; regions of high pressure (compressions) and low pressure (rarefactions) are established as the result of the vibrations of the sound source.  

Well, let's see what we've got here:

                    ( 4⁻³ · 3⁴ · 4² )  /  ( 3⁵ · 4⁻² ) .

The two simple rules of exponents that we're

going to use here are:

-- Two multiply two numbers with the same base,

add their exponents.    Like   (A³) · (A²) = A⁵ .

But the bases have to be the same.

-- A negative power just means it belongs in the

other section of a fraction.

  A negative power on top means it belongs on the bottom.

  A negative power on the bottom means it belongs on top.

  Like    A⁻²  means  1/A² .  And  1/B⁻³  means  B³ .

That's all you need in order to clean up the big fraction

in the question.  But in order to see where you can use

these rules, you need to re-arrange things first.

Original:                          ( 4⁻³ · 3⁴ · 4² )  /  ( 3⁵ · 4⁻² )

Let's send the  4⁻³

to the bottom

where it belongs:              (   --  3⁴ · 4² )  /  4³ · ( 3⁵ · 4⁻² )

Not take that  4⁻² from

the bottom, and put it on

top, where it belongs:       (  4² · 3⁴ · 4² )  /  4³ · ( 3⁵    -- )

Multiply the 4²s on top:     (  4⁴ · 3⁴       )  /  ( 4³ · 3⁵ )

Now let me break this up.

Not changing anything, just

writing it in a different way:      ( 4⁴  /  4³ ) · ( 3⁴ / 3⁵ )

Look at the first fraction:  4⁴ / 4³ .

Divide top and bottom by  4³ , and it becomes just  4 .

Now look at the second fraction:  3⁴ / 3⁵ .

Divide top and bottom by  3⁴ , and it becomes just  1/3 .

So in the end, we're left with just      4 / 3 .

And THAT is exactly equal to the original big messy fraction

in the question.  It has exactly the same numerical value, but

you'd never know it when you see it, because it's a lot simpler.

There are a lot of other ways we could have manipulated and

massaged the original fraction, but the steps are the same:

-- Multiply numbers with the same base, by adding the exponents.

-- Remember that a number with a negative exponent belongs

in the other section of the fraction, with a positive exponent.

Answer:

250Nm

Explanation:

Given parameters:

Length of the long pry bar  = 1m

Force acting on it  = 250N

Angle  = 90°

Unknown:

Amount of torque applied  = ?

Solution:

Torque is the turning force on a body that causes the rotation of the body.

The formula is given as:

 Torque  = Force x r Sin Ф  

r is the distance

 So;

   Torque  = 250 x 1 x sin 90  = 250Nm

To cook three hot dogs simultaneously using a certain brand of hot dog cooker, operating at 120 V and 11.0 A, the time required can be determined based on the energy supplied per hot dog.

The energy required to cook one hot dog is given as 61.0 kJ. Since the rate at which energy is supplied remains unchanged, the total energy required to cook three hot dogs simultaneously is 3 times the energy required for one hot dog, which is 3 * 61.0 kJ = 183.0 kJ.

The energy supplied can be calculated using the formula: Energy = Power * Time, where Power is the product of voltage and current, and Time is the duration of cooking.

Given that the potential difference is 120 V and the current is 11.0 A, the power can be calculated as Power = 120 V * 11.0 A = 1320 W.

To find the cooking time, rearranging the formula gives: Time = Energy / Power. Substituting the values, Time = 183.0 kJ / 1320 W.

To convert the energy from kilojoules to joules, multiply by 1000: Time = (183.0 kJ * 1000) / 1320 W.

Simplifying the calculation yields the cooking time required to cook three hot dogs simultaneously using the given hot dog cooker.

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Answer:

There are five signs of a chemical change:

Color Change.

Production of an odor.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid)

Explanation:

I just went ahead and gave you the five signs of chemical change hoped it helped

Answer:

1500J

Explanation:

Work done = Force * Distance

Work = ?

Force = 50N

Distance = 30m

Work = 50 * 30

Work  = 1500J

An LED light bulb is favoured because it is more bright.

An LED light is favored over an incandescent light bulb because it is more bright than the incandescent bulb.

An LED is a light emitting diode. It is used widely for the production of light because it shows some advantages which include:

Many traditional lighting systems like the incandescent bulbs turn more than 90% of the energy which they use to heat, allocating only about  10% of energy to actual light production. LEDs emit almost no heat energy, and most of the light energy they emit is within the visible spectrum.

LEDs use much less energy than that of incandescent bulbs because the diode light is much more efficient, power-wise, than the filament light. LED bulbs use more than 75% less energy than those of incandescent lighting.

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Answer:

I think your answer might be letter C

Explanation:

If it is wrong I am so sorry forgive me if it is wrong let me know please ok.

Answer:

Explanation:

A:  Screws are a simple machine that make doing work easier.

Work = W = Fd

F = W/d

So by increasing distance (d), you decrease the amount Force needed to do the work.

By applying a small rotational force (circular direction) on the screw, the axial force is amplified.  It takes less force to turn a screw around than to drive a nail straight into the wall.

B:  To make the job even easier, choose a screw with a "finer" thread.  The smaller the pitch (the distance between the screw's threads), the greater the mechanical advantage (the ratio of output to input force).  

Part A: The screw makes the student's work easier by providing a force that is directed downwards into the wall, allowing the student to secure the picture frame in place with a relatively small distance of travel.

Force is a physical quantity that is defined as the product of mass and acceleration. It is a vector quantity, meaning it has both magnitude and direction. Force is one of the fundamental concepts of physics and is responsible for the motion of objects. It is also responsible for the interaction between objects, such as the force of gravity that keeps the planets in orbit around the sun. Force can be applied to objects in order to cause them to move, accelerate, decelerate, or change direction. Force can also be used to do work, such as lifting a weight or pushing a car. Force is an important concept in physics and is used to explain many phenomena in the natural world.

Part B: A change to the screw design that would make the student's work even easier would be to use a self-tapping screw, which has a sharp point that allows it to cut its own thread into the wall, eliminating the need to pre-drill a hole. This would reduce the amount of effort required to secure the picture frame to the wall.

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The correct statement of Newton's Second Law is: An object's acceleration is inversely proportional to its mass and proportional to the net force acting on it.

Newton's Second Law of Motion states that the force acting on an object is directly proportional to the mass of the object and its acceleration. In other words, the greater the force applied to an object, the greater its acceleration, and the greater the object's mass, the less it will accelerate for a given force.

This law is often expressed mathematically as F = ma, where F is the force applied to an object, m is the object's mass, and a is its acceleration.

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