A wrecking ball has a mass of 315 kg. If it is moving at a speed of 5.12 m/s, what is its kinetic energy?


*Please I need a clear explanation so i can complete the rest on my own*

Fluid imbalances with constant osmolarity happen when isotonic fluid is lost or gained. Isotonic fluid refers to a solution with the same concentration of solutes as the cells in the body. When this fluid is lost or gained in an equal amount, the osmolarity of the body remains constant, but the fluid balance is disrupted, leading to fluid imbalances.

Examples of isotonic fluid loss or gain include vomiting, diarrhea, excessive sweating, or excessive intake of isotonic fluids such as water or sports drinks.

Isosmotic fluid has the same osmolarity as the body's fluids, which means that the concentration of solutes is equal between the fluid and the body's cells. In this situation, the loss or gain of fluid does not disrupt the balance of solutes in the body, maintaining a constant osmolarity.

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Answer:

the density is 0.301 :)

This statement is True-  in a driven LCR circuit, the peak value for voltage does not occur at the same time as the peak value for current. they are separated by some phase angle.

An LCR circuit is an electrical circuit that consists of an inductor (L), capacitor (C), and resistor (R) linked in series or parallel. It is also referred to as a tuned circuit, resonant circuit, or LCR circuit. Phasors provide a better framework for understanding the LCR circuit analysis. A spinning quantity is a phasor.

A crucial illustration of a resonant circuit is the LCR circuit. At resonance, the phase angle is equal to zero and the impedance is at its lowest value, Z=R. To control the amount of light emitted by electronic devices like computers, televisions, and smartphones, the LCR circuit is a component of these gadgets.

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The study of radioactivity by Marie Curie marked a significant turning point in the realm of physics and had a significant influence on scientific knowledge. Now let's get into the specifics.

"Radioactivity" is the term Marie Curie coined to describe the phenomenon whereby materials emit radiation that can fog photographic plates. During her uranium investigation in 1896, she made this discovery. This game-changing discovery opened the door for more research into and comprehension of radioactivity, which resulted in important developments in the field of nuclear physics.

Marie Curie's research on radioactivity served as a springboard for additional nuclear physics research and has profound ramifications for other fields of science and medicine. It resulted in improvements in our knowledge of atomic structure, the creation of radiation therapy for the treatment of cancer, and the eventual exploitation of nuclear energy.

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Answer:

28.4

Explanation:

for those on acellus

The acceleration of the puck is the rate of change in velocity of the puck. The acceleration is obtained as 9.06 m/s².

Acceleration of an object is its rate of change in velocity. It is a vector quantity, thus, having both magnitude and direction.

The velocity components is given

2.35 m/s in direction of 22° and 6.42 m/s in a direction of 50°.

Thus, initial velocity u = 2.35 cos 22 = 2.17 m/s

final velocity V = 6.42 cos 50 = 4.12 m/s

Hence, the change in velocity = V - U

= 4.12 - 2.17 = 1.95 m/s.

The time change is given ΔT = 0.215 s.

ΔV = 1.95 m/s

Thus, acceleration = ΔV / ΔT

= 1.95 m/s / 0.215 s

= 9.06  m/s².

Therefore, the acceleration of the puck is  9.06 m/s².

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Answer:

When an unbalanced force acts on a body the side with the greater force's dircetion makes the object move along its direction

Also to find the net force acting on the bofldy you can subtract the two force acting on the body

In case of balanced force the net force will always be 0

Hello :)

Answer:

When an unbalanced force acts on an object, the side with the greater force's direction makes the object move along its direction. For example, when two cars collide on a head-on collision, both vehicles will move in the direction that the vehicle with the greater force is moving in.

Answer:

i think it is 5 mg is the lowest

Explanation:

Answer:

Ethyne consists of a triple bond that is most easier to be broken as compared to that of ethyne with a double bond and benzene single bonds. Therefore ethyne is most reactive among the given options.

Explanation:

Answer: Ethyne

Explanation:

Answer:

Anaphase

Explanation:

This is because the spindle fibres have shortened and is pulling the chromatids towards the poles of the cell. The chromatids have also separated.

The cell division which is shown in the picture is anaphase. The correct option is C.

Meiosis is divided into two main phases, each with its own set of subphases:

1 Meiosis I:

a. Prophase I: This is the longest and most complex phase of meiosis. During this phase, homologous chromosomes pair up and form bivalents, and crossing over occurs between the homologous chromosomes. The nuclear envelope breaks down, and spindle fibers form from the centrioles at opposite poles of the cell.

b. Metaphase I: During this phase, the homologous chromosomes line up along the metaphase plate, with one chromosome from each homologous pair facing each pole of the cell.

c. Anaphase I: During this phase, the spindle fibers contract and pull the homologous chromosomes towards opposite poles of the cell.

d. Telophase I: During this phase, the chromosomes reach the poles of the cell and the nuclear envelope reforms around each set of chromosomes. The cell then undergoes cytokinesis, resulting in two daughter cells.

2. Meiosis II:

a. Prophase II: During this phase, the nuclear envelope breaks down, and spindle fibers form from the centrioles at opposite poles of the cell.

b. Metaphase II: During this phase, the chromosomes line up along the metaphase plate, with sister chromatids facing opposite poles of the cell.

c. Anaphase II: During this phase, the spindle fibers contract and pull the sister chromatids towards opposite poles of the cell.

d. Telophase II: During this phase, the chromosomes reach the poles of the cell and the nuclear envelope reforms around each set of chromosomes. The cell then undergoes cytokinesis, resulting in four haploid daughter cells.

Meiosis involves two rounds of chromosome segregation, resulting in four haploid daughter cells that are genetically distinct from the parent cell.

Therefore, The correct option is C i.e anaphase.

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The gravitational force of Earth on the satellite, given that the satellite is launched into orbit 30000 km above sea level is 1.63×10³ N

The gravitaional force between two objects can be obtained by using the following formula:

F = GM₁M₂ / r²

Where

The following data were obtained from he question:

The gravitaional force can be obtained as shown below:

F = GM₁M₂ / r²

F = (6.673×10¯¹¹ × 5.4×10³ × 6.0×10²⁴) / (36400000)²

F = 1.63×10³ N

Thus, the gravitational force is 1.63×10³ N

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Answer:

0.95 metre

Explanation:

divide the value in centimeters by 100 because 1 meter equals 100 centimeters.

So, 95 centimeters = 95/100

= 0.95 meter.

Answer:

the inertia of an object

During a tennis volley, the force pair involved is the action-reaction forces.

When playing tennis and returning a volley, the force pair involved is the action and reaction forces. In the process of hitting the ball, the tennis racket exerts a force on the ball, which is the action force.

The ball, in turn, exerts an equal and opposite force on the racket, which is the reaction force.Both the racket and the ball experience the force of impact during the volley.

The force applied by the racket causes the ball to move forward, while the equal and opposite force applied by the ball pushes the racket back.

These two forces are referred to as action-reaction forces or force pairs. A force pair refers to a pair of forces that are equal in magnitude but opposite in direction.

These forces always act on different objects and occur simultaneously. In this scenario, the action force was exerted by the tennis racket while the reaction force was exerted by the ball.

Therefore, during a tennis volley, the force pair involved is the action-reaction forces.

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The density of water would be y / 2.0, y / 4.0, and y / 6.0.

To calculate the density of water using the measurements you have described, you will need to follow these steps:

Here is an example of how this could be recorded in a table:

Volume (mL) Mass (g) Mass of Water (g) Density (g/cm3)

2.0                       x               y                        y / 2.0

4.0                       x            y                        y / 4.0

6.0                       x            y                        y / 6.0

Note that you will need to fill in the values for the mass (x) and mass of water (y) based on your measurements. The density of water will then be calculated by dividing the mass of water by the volume.

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The condenser lens's job is to direct light onto the sample. used to adjust the size and brightness of the light cone that is aimed upward into the slide.

The stage or the upper portion of the microscope may be moved using the large, circular knob on the side of the microscope used for specimen focus.

The condenser, which is found underneath the stage of upright microscopes, collects wavefronts from the light source of the microscope and concentrates them into a cone of light that lights the specimen uniformly throughout the viewfield. Condensers are mounted on a frame pillar above the stage and specimen in inverted (tissue culture type) microscopes. To maximise the amount and direction of light entering the objective front lens, the condenser light cone must be correctly adjusted. In order to give the correct light cone to match the light cone (numerical aperture) of the new objective, a matching adjustment must be made to the condenser each time the objective is replaced. Illustrated is a basic two-lens Abbe condenser.

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Answer:

0.404

Explanation:

The calculation of confidence interval for the mean is shown below:-

Data provided in the question

Mean = 5.5

The Standard deviation for three values  is 0.7

Since there is 95% of the confidence interval so the critical value is

\(t_{0.025.5} = 4.303\\\)

Now

Margin error is

\(t_{0.025.5} = 4.303\times \frac{s}{\sqrt{n} }\)

\(= 4.303\times \frac{0.7}{\sqrt{3} }\)

= 1.74

Now,

The Standard error is

\(= \frac{s}{\sqrt{n} }\)

\(= \frac{0.7}{\sqrt{3} }\)

= 0.404

Hence, the confidence interval for the mean based is 0.404

The jogger's speed was indeed 4 m/s, as speed is the distance traveled divided by time (400m / 100s = 4 m/s).

However, velocity is a vector quantity that includes both magnitude and direction. Since the jogger completed a lap and returned to the starting point, their overall displacement is zero, resulting in a velocity of 0 m/s. So, the first friend is incorrect in stating that the velocity was 4 m/s.

The second friend is correct. Velocity is a vector quantity that includes both speed and direction, whereas speed is a scalar quantity that only indicates how fast something is moving. Since the question does not provide any information about the direction of the jogger's movement, it is not possible to determine their velocity. However, based on the given information, the jogger's speed can be calculated as distance divided by time, which is 4 m/s (400 m divided by 100 s).

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Answer:

Dark matter?

Explanation:

Answer:

matter

Explanation:

Answer: Answer Is B) The magnitude of both forces will decrease as the magnitude of the items (mass for gravity, charge for electrical) increases.

Explanation:

U WELL COM

The values of charge for q₁ and q₂ are 5.715 × 10⁻⁸ C and -5.715 × 10⁻⁸ C, respectively.

Electric charge is the physical property of any matter which causes it to experience a force when it is placed in an electromagnetic field.

The acceleration is upwards. Therefore, the charge will be accelerated upwards and it is attracted by charge q₁ and repelled by q₂. Therefore, the q₁, is positive charge and q₂, is negative charge.

The net force for the following case will be,

Fq₁Q + Fq₂Q = 0

kq₁ Q/ r² = - kq₂ Q/ r²

q₁ = -q₂

The net force is,

Fnet = ma

F net = (5.50 × 10⁻³ kg) (304 m/s²)

Fnet = 1.672 N

The triangle is an isosceles triangle and the value of the angle is,

cos θ = -2.25 cm/ 3cm

θ = cos⁻¹(-2.25 cm/ 3cm)

θ = 41.4°

The force equation is,

F net = kq₁ Q/ r² cos θ + kq₂Q/ r²cos θ

ma = kq₁ Q/ r² cos θ + kq₂Q/ r²cos θ

1.672 N = 2 (9×10⁹) (1.95×10⁻⁶ c) / (3×10² m)² × cos (41.4°)

q₁ = (1.672 N) (3×10² m)²/ (9 × 10⁹) (1.95×10⁻⁶ c) cos (41.4°)

q₁ = 5.715×10⁻⁸ C

Since,

q₂ = -5.715 × 10⁻⁸ C

Therefore, the charge q₁ and q₂ are 5.715 × 10⁻⁸ C and -5.715 × 10⁻⁸ C, respectively.

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Answer:

a molecule is an electrically neutral group of two or

more atoms held together by chemical bonds

Explanation:

Answer:

It can be two or more of the same elements combined together.

It can be one element by itself.

Explanation:

It is true that Mercury's solar day is longer than its solar year.

Mercury is the  lowest earth in our solar system. It’s a little bigger than Earth’s Moon. It's the closest earth to the Sun, but it’s actually not the hottest. Venus is hotter.   Along with Venus, Earth, and Mars, Mercury is one of the rocky  globes. It has a solid  face that's covered with craters like our Moon. It has a thin atmosphere, and it does n’t have any moons. Mercury likes to keep  effects simple.   Mercury spins  sluggishly compared to Earth, so one day lasts a long time. Mercury takes 59 Earth days to make one full gyration. But a time on Mercury goes  presto. Because it’s the closest earth to the sun, it goes around the Sun in just 88 Earth days.

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Mercury's solar day is longer than its solar year, making the statement true.

Mercury's solar day is longer than its solar year, which makes the statement true.

Mercury takes approximately 58.6 Earth days to complete one full rotation on its axis, which is its solar day. In contrast, it takes approximately 88 Earth days for Mercury to complete one orbit around the Sun, which is its solar year. This means that Mercury's solar day is longer than its solar year.

The reason for this is due to a phenomenon called tidal locking. Tidal locking occurs when the gravitational forces between two celestial bodies cause one body to always face the other with the same side. In the case of Mercury, its rotation is tidally locked with its orbit around the Sun. As a result, it takes longer for Mercury to complete one rotation on its axis compared to its orbit around the Sun.

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Given,

Initial speed is v=2 m/s

The cross sectional area reduces to 1/4 of the original area

To find

The speed of water at the narrowed portion.

Explanation

Let the original area be A

Let the speed at the narrowed portion be u

By conservation lawwe have,

Conclusion

The speed at the narrowed portion is 8 m/s

Answer:

Topaz

Explanation:

It's harder than garnet and comes in various colors

Answer:

garnet

Explanation:

The temperature in Denver will rise by approximately 0.0094 degrees Celsius when the chinook wind arrives

To determine the rise in temperature in Denver when the chinook wind arrives, we can use the concept of adiabatic heating. Adiabatic heating occurs when air descends from higher altitudes, compressing and warming up as it moves downwards. The formula to calculate the change in temperature due to adiabatic heating is: ΔT = (ΔP * γ) / (C * P) Where:

ΔT = Change in temperature

ΔP = Change in pressure

γ = Specific heat ratio (approximately 1.4 for air)

C = Specific heat capacity at constant pressure (approximately 1005 J/(kg·K) for air)

P = Initial pressure

Given the following values:

ΔP = 565 - 8.12 = 556.88 x 10^2 Pa

P = 8.12 x 10^4 Pa

Substituting the values into the formula:
ΔT = (556.88 x 10^2 * 1.4) / (1005 * 8.12 x 10^4)

Simplifying the equation: ΔT = 0.0094 K

Therefore, the temperature in Denver will rise by approximately 0.0094 degrees Celsius when the chinook wind arrives

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The volume of water that is present in a 100 m3 section of the rock is 22m³.

The quantity of a system is a critical enormous parameter for describing its thermodynamic kingdom. The precise volume, an in-depth property, is the gadget's volume per unit of mass. quantity is described as the space occupied in the limitations of an item in three-dimensional space. it is also called the ability of the object.

Within the international gadget of gadgets or SI, the usual Unit of volume is the cubic metre (m3). within the metric gadget, the Unit of volume also includes the litre (L), in which one litre is identical to the 10-centimetre dice.

Calculation:-

Porosity percentage = 22%

section of the water is 100 m³

The volume is = 22/100 × 100 m³

                        = 22 cm³

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Spectral shifts are caused by the movement of the spectrum to shorter wavelengths, while the Big Bang Theory is supported by spectra analyses because we can determine how spectra of electromagnetic radiation from stars changes depending on their relative position.

The Big Bang Theory is a widely accepted model in physics about the boring of the Universe, which it is believed occurred though a big explosion, while light spectra refers to the observation of the electromagnetic radiation emitted by stars.

Therefore, with this data, we can see that the Big Bang Theory obtains supportive evidence from the emission of electromagnetic spectra of stars.

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Answer:

I don't know to be honest