HI CAN ANYONE PLS ANSWER DIS PLS!!!!!!

Ecological succession leads to equilibrium in an ecosystem. Ecological succession plays a crucial role in establishing and maintaining equilibrium in an ecosystem.

Ecological succession refers to the gradual and predictable changes in the species composition and community structure of an ecosystem over time. It occurs as different species colonize an area, modify the environment, and create conditions suitable for other species to thrive. Through this process, the ecosystem progresses towards a stable state called ecological equilibrium or balance.

During ecological succession, as different species establish and interact with one another, the ecosystem becomes more diverse and complex. This increased complexity contributes to the development of stable and self-regulating processes within the ecosystem, leading to a state of equilibrium where the population sizes, species interactions, and nutrient cycles are relatively balanced.

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Answer:

D). Field lines circle the Earth from east to west.  

Explanation:

A microscopic force or gigantic magnetic field surrounds the Earth which functions as a force field that guards the planet against the radiations released from space. This magnetic field is characterized by the alignment of the North and South poles with the axis of rotation. Thus, the magnetic field lines of the Earth surround or circle of the Earth from East to West. Therefore, option D is the correct answer.

Answer:

D). Field lines circle the Earth from east to west.

Explanation:

D). Field lines circle the Earth from east to west.

Explanation:

solution ,

\(a = 9.8m \div {s}^{2} \)

\(f = 22 \: newton\)

\( M= \: ?\)

Now,

f=Ma

or,

f/a=M

or,

22/9.8=M

or,

2•24=M

or,

M=2.24kg

Answer:

C Thy make the force exert all at once

Answer:

A stretched spring : Elastic potential energy

Muscle of the athlete : Chemical energy

Explanation:

Elastic potential energy is the form of energy stored in an Elastic object(Can stretch and relax), when it is deformed from it's original shape.

Answer:

The Equivalence Principle of Gravity

Explanation:

The fact that objects fall to earth at the same speed is called the Equivalence Principle of Gravity.

According to the Equivalence Principle of Gravity, all things fall at the same rate when there is little to no air resistance. The value of the acceleration caused by gravity is demonstrated by the force of gravity equation to be a constant that is independent of the mass of the item.

According to Einstein's equivalence principle, it is unnecessary to distinguish between gravitational and inertial forces because they are comparable in nature.

Therefore, the Equivalence Principle of Gravity states that all objects descend to Earth at the same rate.

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Lets do

\(\boxed{\sf P=\dfrac{m}{v}}\)

\(\\ \sf\longmapsto Density=\dfrac{Mass}{Volume}\)

\(\\ \sf\longmapsto Mass=Density\times volume\)

\(\\ \sf\longmapsto Volume=\dfrac{Mass}{Density}\)

According to the given statement Mrs. Brown's electricity bill for the current month is $5000.00.

To calculate Mrs. Brown's electricity bill for the current month, we need to determine the total number of kilowatt-hours (kWh) she has consumed and apply the corresponding rates.

1. Calculate the electricity usage:

  Current meter reading - Previous meter reading
  20,300 kWh - 17,800 kWh = 2,500 kWh

2. Determine the cost for the first 2000 kWh:

  $1.00/kWh * 2000 kWh = $2000.00

3. Determine the cost for the remaining kWh:

  500 kWh * $3.50/kWh = $1750.00

4. Add the fuel adjustment charge:

  $0.50/kWh * 2500 kWh = $1250.00

5. Calculate the total bill:

  $2000.00 + $1750.00 + $1250.00 = $5000.00


To calculate the electricity bill, we first find the difference between the current and previous meter readings.

In this case, Mrs. Brown used 2,500 kWh.

For the first 2000 kWh, the cost is $1.00 per kWh, resulting in a charge of $2000.00.

For the remaining 500 kWh, the cost is $3.50 per kWh, totaling $1750.00.

Additionally, a fuel adjustment charge of $0.50 per kWh is added to the bill. This amounts to $1250.00.

Finally, we add up all the charges to get the total bill, which is $5000.00.

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In workplaces with continuous noise, such as mines, the use of protective gear like ear muffs is encouraged to reduce the amount of noise entering workers' ears. This not only protects their hearing but also helps decrease compensation costs associated with hearing-related injuries.

However, it is important to recognize that these protective gears have limitations. Over time and with extensive use, they can become damaged and less effective at reducing noise exposure. Despite the importance of wearing protective gear, some workers may choose to remove their ear muffs due to discomfort or the desire to hear their colleagues more clearly. This poses a challenge as it increases their risk of being exposed to excessive noise levels, which can lead to hearing damage or loss.

To address this issue, employers should focus on providing comfortable and properly fitting protective gear that minimizes discomfort. Additionally, regular training and awareness programs can emphasize the importance of consistent use of protective gear and educate workers about the potential long-term consequences of noise exposure. Encouraging an open dialogue between workers and management can also help address any concerns or misconceptions related to the use of protective gear.

Ultimately, striking a balance between comfort and safety is crucial. Employers should strive to provide effective and comfortable protective gear, while workers need to understand the importance of consistent usage to safeguard their hearing health in noisy work environments.

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Answer:

the average speed of the swimmer is 0.069 m/s.

Explanation:

Given;

complete distance around the park pine, d = 25 m

total lap completed, = 20 laps

time of laps completion, t = 7200 s

The total distance completed by the swimmer = 20 x 25 = 500 m

The average speed of the swimmer = distance / time

                                                            = (500 m) / (7200 s)

                                                            = 0.069 m/s.

Therefore, the average speed of the swimmer is 0.069 m/s.

Answer:

Do you have the fomular send please so I can work on it

The angular acceleration of a spinning amusement park ride is 0.2 rad/s^2.

The pace at which an object moving in a circle changes angular velocity over time is referred to as angular acceleration. Rotational acceleration is another name for angular acceleration. It has both magnitude and direction, making it a vector quantity.

The rate of change in angular displacement is known as angular velocity, and the rate of change in angular velocity is known as angular acceleration.

Zero magnitude acceleration is still acceleration. Motion with uniform (i.e. zero) acceleration is a specific case of motion with constant velocity.

Given:

Initial acceleration = 0.50 rad/s

Final acceleration = 0.60 rad/s

Time = 0.50 s

Angular Acceleration:

α = Δω/Δt

\(\alpha = \frac{0.60-0.50}{0.50}\)

\(\alpha =\frac{0.1}{0.50}\)

\(\alpha =0.2rad/s^2\)

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A 5 ohm circuit receives a 5 amp current for 5 seconds. Hence, 18 energy is used.

One electromotive force of electrical charge, or 6.24 1018 charge carriers, moves in a second in one ampere of current. The quantity of current generated by the energy of one volt operating through such a resistor of one ohms is defined as "an ampere," in other words.

Current is frequently denoted by the letter I. Ohm's law, V = IR, states that the convective flow across a circuit depends on voltage V and resistance R. Ohm's law can also be expressed as I = V/R.

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Answer:

many for a hour. I don't know how much I did this week

Explanation:

My goal was to do jogging every morning for around one hour for starters. I felt release of endorphins and I gained lots of positive energy. Organizations tell that it's good to do exercise for 60 minutes and take 1200 steps at least.

Hope this helps

Answer:

Explanation:

Assuming the horizontal axis is in seconds, and the vertical axis is meters.

1)  v(average) = (p₁ - p₀) / (t₁ - t₀)

    v(average) = (7.5 - 20) / (15 - 7) = -1.5625 m/s

2)  6 s ≤ t ≤ 9 s,   section B

              t = 12 s,  

              t = 18 s,

    21 s ≤ t ≤ 26 s  section F

maybe at t = 0 s and t = 29 s, but we're not sure as the position is unknown beyond those limits.

3) at t = 3 the position was 0 or at the origin of the reference frame

4) v(25) = 0 m/s

the slope of the plot is zero at this location on a position in time graph.

To determine the wavelength of the light used in the experiment, we would need additional information or context about the experiment itself. information provided in the previous question about the current and charge of a lightning bolt does not directly give us the wavelength of the associated light

The given information about the current and charge of a lightning bolt does not provide any direct information about the wavelength of the associated light. To determine the wavelength of the light used in the experiment, we need additional information or assumptions about the nature of the experiment. The information provided in the previous question about the current and charge of a lightning bolt does not directly give us the wavelength of the associated light.

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Answer:

Newtons law of gravity I think

The part of the visual field that surrounds the figure is called linear.

Linear perspective is a visual cue that allows a viewer to discern the depth and range of an object. Field of vision of a person's eye is that portion in the space in which object is visible to the viewer. The most clear vision subtend a central angle of 3° on the eye. However the monocular visual area consists of central vision, which includes the inner 30 degrees angle of vision and central fixation, and the surrounding visual field, which expand 100 degrees laterally. A vertical line bisects central vision and divides the visual field. The blind spot is represented on a visual field chart by a partial alteration in the field of vision.

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Answer:

We know that F=ma

the force required depends on acceleration as well as the mass.

if a person has bag means the total mass is of course large

so force is also large

then it becomes difficult

Answer:

by using formula,

wavelength= velocity/frequency

= 120/6

= 20 meter

Ans: 20 meter

Answer:

wavelength= velocity

= 120/6= 20 meter

Explanation:

A missile is moving 1810 m/s at a 20.0 angle. it needs to hit a target 19,500 m away in a 32.0 direction in 9.20 s. The acceleration that the engine must deliver is 112 meters per second.

The term "acceleration" refers to the rate of change in the object's velocity in relation to time, and it is measured in meters per second (m/s). In most contexts, meters per second squared is the unit of measurement for acceleration.

Let us start by thinking about the component that is horizontal in the x direction.

The length of travel in a plane horizontal to the starting point.

x = 19,500 cos 32.0° m

Using the second equation of motion to determine acceleration along the horizontal axis in order to:

\(x = ut + 1/2at^2\)

\(19,500 * (cos 32.0^0 = 0 + (1810* cos 20.0^o) *9.20+ 0.5*a *9.20^2\)

a = 21.01 m/s²

The same may be said for the vertical direction.

The distance traveled in the upward and downward directions combined.

Y is the velocity in the vertical direction, and it is equal to 19,500 in 32.0° m.

u= 1810 sin 20.0° m/s

t = 9.20 s

For the purpose of determining acceleration along the vertical axis by using the second equation of motion, For the purpose of determining acceleration along the vertical axis by using the second equation of motion

\(y = ut +1/2at^2\)

19,500 sin 32.0° = 0 + (1810 sin 20.0^o)* 9.20 + 0.5*a* 9.20^2

a = 109.6 m/s^2

The resultant acceleration

\(a^2 = (21.01)^2 + (109.6)^2\)

a = 112 m/s²

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Answer:

\( \boxed{\sf Volume \ of \ cube \ (V) = \frac{1}{125} \ in^3} \)

Given:

Side length of the cube (a) = \( \sf \frac{1}{5} \) in

To Find:

Volume of the cube (V)

Explanation:

Volume of cube = (side length)³

\( \boxed{ \bold{V = a^3}}\)

Substituting value of a in the formula:

\( \sf \implies V = {( \frac{1}{5} )}^{3} \\ \\ \sf \implies V = \frac{ {1}^{3} }{ {5}^{3} } \\ \\ \sf \implies V = \frac{1}{ {5}^{3} } \\ \\ \sf \implies V = \frac{1}{125} \: {in}^{3} \)

Answer: positive terminal

Explanation: A voltmeter reading is a process of measuring electic potentials in volts with voltmeter. A positive terminal is the terminal of a battery or other voltage source toward which electrons flow through the external circuit.

Answer:

A few of the positive particles aimed at a gold foil seemed to bounce back.

Explanation:

Answer:

The answer is A: A few of the positive particles aimed at a gold foil seemed to bounce back.

Explanation:

This is Bohr's model, and this is what his discovery was: that, when he conducted several experiments, he found that the positive particles bounced off of the gold foil.

I am 124% sure this is correctomundo!

Also, it would be EXTRA FANTABULOUSLY AMAZING if I could get brainliest!!!

Have a nice day!!!

Part (a) To find the total capacitance of the circuit, we need to use the formula for capacitors in parallel and series. In this case, the accelerationare in both parallel and series, so we need to break it down into steps.

First, we can find the equivalent capacitance of C1 and C2 in parallel: C12 = (C1 x C2) / (C1 + C2) = (7.8 ?F x 13.2 ?F) / (7.8 ?F + 13.2 ?F) = 4.96 ?F.

Then, we can find the total capacitance of C12 and C3 in series: C123 = 1 / ((1 / C12) + (1 / C3)) = 1 / ((1 / 4.96 ?F) + (1 / 4.9 ?F)) = 2.45 ?F.

Therefore, the total capacitance of the circuit is 2.45 ?F.

Part (b) To find the total energy stored in the capacitors, we can use the formula U = 0.5 x C x V^2, where U is the energy stored, C is the capacitance, and V is the voltage.

For C1, U1 = 0.5 x 7.8 ?F x (12 V)^2 = 673.92 ?J.
For C2, U2 = 0.5 x 13.2 ?F x (12 V)^2 = 1,411.2 ?J.
For C3, U3 = 0.5 x 4.9 ?F x (12 V)^2 = 352.8 ?J.

The total energy stored in the capacitors is U = U1 + U2 + U3 = 2,437.92 ?J.

Therefore, the numerical value of the total capacitance of the circuit is 2.45 ?F and the numerical value of the total energy stored in the capacitors is 2,437.92 ?J.

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The ranking of given scenarios on the basis of the linear speed of block is: C > E > A = B = D > F

A pulley is a wheel on an axle or shaft designed to assist in the movement and change of direction of a tensioned cable or belt, or in the transmission of power between a shaft and a cable or belt.

Whether belts, cables or chains, all cable pull systems work according to the same principle. For example, the speed of all pulleys in a pulley system can be calculated by taking the ratio of the diameters of each pulley.

Linear speed (v) ∝ R inner/R outer

So, the higher the value of ratio, higher will be the speed.

Let's calculate the R inner/R outer ratios for each case:

A) 0.4/0.8 = 0.5

B) 0.1/0.2 = 0.5

C) 0.5/0.6 = 0.83

D) 0.2/0.4 = 0.5

E) 0.3/0.4 = 0.75

F) 0.2/0.6 = 0.33

The speed in highest in case C, whereas it is lowest in case F.

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The complete question is as follows:

The pulley in (figure 1) represents different pulleys that are attached with outer radius and inner radius indicated in the table. the horizontal rope is pulled to the right at a constant linear speed that is the same in each case, and none of the two separate ropes slips in its contact with the pulley.

A) R outer = 0.8m; R inner = 0.4m

B) R outer = 0.2m; R inner = 0.1m

C) R outer = 0.6m; R inner = 0.5m

D) R outer = 0.4m; R inner = 0.2m

E) R outer = 0.4m; R inner = 0.3m

F) R outer = 0.6m; R inner = 0.2m

Rank these scenarios on the basis of the linear speed of block.

The critical speed below which the rope would become slack when the bucket reaches the highest point in the circle is determined by the length of the rope and the radius of the circle.

When the bucket is at the highest point in the circle, it is momentarily at rest and the tension in the rope must be zero.

The formula for calculating the critical speed at which the rope becomes slack is:

v = √(gr)

where v is the critical speed, g is the acceleration due to gravity, and r is the radius of the circle.

For example, if the radius of the circle is 2 meters and the acceleration due to gravity is 9.8 m/s², the critical speed would be:

v = √(9.8 × 2) = 4.4 m/s

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The wavelength of the red light emitted by the neon sign is approximately 6.30 x 10¹⁶ nm.

To calculate the wavelength of the red light emitted by a neon sign with a frequency of 4.76 Hz, we will use the speed of light formula:

Speed of light (c) = Wavelength (λ) × Frequency (f)

First, convert the speed of light to nm/s: c = 3.00 x 10^8 m/s = 3.00 x 10¹⁷ nm/s.

Next, rearrange the formula to find the wavelength: Wavelength (λ) = Speed of light (c) / Frequency (f)

Substitute the given frequency and speed of light values:

λ = (3.00 x 10¹⁷ nm/s) / (4.76 Hz)

λ ≈ 6.30 x 10¹⁶nm

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