If you drop a 2.5kg ball that initially has 32J of potential energy, how much potential energy will it have before it hits the ground? Round your answer to the nearest whole and include the appropriate unit

Answer:It is regarded as impartial because it is based on established biological science. It has shed light on the causes of some conditions, including GPI and Alzheimer's disease, an organic condition that causes elderly people to become confused. Treatment is convenient, inexpensive, and simple to administer when compared to other options.  

Disability is viewed as something 'wrong' with a person's body or mind in the medical model. The medical model has been chastised for treating the impairment as the most important aspect of the person and implying that the person is powerless to change it.

Explanation:

Answer:

im saying 4. its just a guess it makes sense tho

Explanation:

sorry for getting this wrong.

Answer:

longitudinal waves

Explanation:

I got it right

Ben is curious about the volume of different popcorn containers. He finds a third container that is shaped like a rectangular prism. The container has a length of 8.25 inches, a width of 2.5 inches, and a height of 5 inches. Ben wonders how much delicious and crisp popcorn he can fit in this container.

Rectangular is a shape that has four sides and four right angles. Rectangulars can be either rectangles or squares, depending on the length and width of the sides. Rectangulars are often found in buildings, geometric objects, and river flow patterns.

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Answer:

follows are the responses to the given question:

Explanation:

The kinetic energy of every object moving.  \(PK=m \times v^2\) any entity lifted against the strength of gravity stores elastic potential of gravity.

\(PE = height \times mass \times g\)

Its total power of an independent device stays constant underneath the Mass conservation on Energy and it is, the kinetic energy plus potential energy is just like a fixed \((KE+PE=Standard)\). So, if KE improves, it is valid that PE declines.

If the PE is now at least then KE has been at the highest. It is also valid that KE is reduced as PE is increased as well as the maximum PE, the minimum KE.

Answer:

12.6 s

Explanation:

y =  1/2 at^2

780.1 =  1/2 ( 9.81) t^2           answer can only have 3 s.d. due to the 9.81

t = 12.6 s

Answer:

Refractors telescopes utilize specially designed lenses to focus the light on an image. A Reflector telescope uses mirrors, which causes light to reflect at different angles within the optical tube and extends the overall light path.

Answer:

The reflective telescope uses mirrors to catch light and reflect it to the eyepiece. A refractive telescope is kinda' the same except it can focus in on the light.

Explanation:

The true statement about the Big Bang is option b) It began with all matter and energy concentrated in an infinitesimally small point.

The Big Bang theory is the prevailing cosmological model that describes the origin and evolution of the universe. According to this theory, the universe began as a singularity—an extremely hot and dense point—approximately 13.8 billion years ago. The expansion of the universe started from this initial state, known as the Big Bang.

Option a) "It occurred less than 13 million years ago" is incorrect. The Big Bang is estimated to have occurred around 13.8 billion years ago, not million years ago.

Option c) "The Big Bang theory states that at the instant of explosion, atoms of all major elements came into existence" is incorrect. The Big Bang itself did not directly create atoms of all major elements. The formation of atoms occurred later during the cosmic evolution through processes like nucleosynthesis.

Option d) "It is the explanation for how our solar system developed" is incorrect. The Big Bang theory explains the origin and expansion of the entire universe, not the formation of individual solar systems like ours. The formation of our solar system is attributed to a different process known as stellar evolution and the gravitational collapse of a molecular cloud.

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Answer:

the force pulls each other cause its just physics

Explanation:

The purpose of cellular respiration is the to provide energy for the body of an organism. In this process, food materials are broken down by complex metabolic actions usually with the availability of oxygen. Then, energy is liberated for use by an organism and the waste is expelled.

Cellular respiration and photosynthesis are both similar. In that they are ways by which organisms obtain nutrition. The food for plant is derived by the process of photosynthesis. Also, other organisms use this food for their own nourishment.

A uniform magnetic field of magnitude B exists when the magnetic field strength and direction are the same at all points within the region of interest.

Given: Uniform magnetic field of magnitude 1.7 T Dimension of the loop = 15 cm × 16 cm = 0.15 m × 0.16 m = 0.024 m²

Formula used: Φ = BA, where Φ is the magnetic flux, B is the magnitude of magnetic field and A is the area of the loop perpendicular to the magnetic field, here B is perpendicular to the loop.

Φ = BA

where,B = 1.7 T (Given)

A = 0.024 m² (Given)

Φ = 1.7 × 0.024Φ = 0.0408 Wb

Hence, the magnetic flux through the loop is 0.0408 Wb.

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According to the question, at the instant shown, the speed of end D of the bar AD is 15 mm/s.

To determine the speed of end D of the bar AD at the instant shown, we need to consider the relative motion between point B and point D.

Since point B is connected to the hydraulic cylinder and is being raised at a constant rate of 30 mm/s, it will have a vertical velocity of 30 mm/s. However, the speed of end D will depend on the geometry of the system.

From the given diagram, we can see that point D is located at the midpoint of the bar AD. Therefore, we can infer that the vertical velocity of point D will be half the velocity of point B.

Speed of end D = (Speed of point B) / 2

Speed of end D = 30 mm/s / 2

Speed of end D = 15 mm/s

Thus, at the instant shown, the speed of end D of the bar AD is 15 mm/s.

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Answer:

It will be doubled

Explanation:

F = ma

Let's consider m = 1 (the mass of the cart is not changing so it is constant),

F = 2, and a = 4.

2 = 1 x 4

When doubling force we need to maintain equality so acceleration should double too. To understand it better find the ratio of force and acceleration 2/4 = 1/2. The ratio of force to acceleration should always equal half in all scenarios, this way we can see how equality is maintained.

2x2 = 1 x (4x2)  

4 = 1 x 8, and the ratio of force to acceleration is 4/8 = 1/2.

Answer:

I. The angle θ increases, and the pattern expands away from the bright center

II. The angle θ increases, and the pattern expands away from the bright center

Explanation:

The given information are;

The light used to produce a diffraction pattern = Blue light

The formula for refraction is given as follows;

d × sin(θ) = n·λ

Where;

d = The inter slit distance

θ = The angle to the maxima

n = Number to the integer next fringe

λ = Light wavelength

The wavelength of blue light is between 450 and 495 nanometers

Therefore;

I. When we switch to yellow light

The wavelength of yellow light is between 590 and 560 nanometers, which is an increase in wavelength, given that d, the inter slit distance is held constant, the angle θ increases, and the pattern expands away from the bright center

II. Decrease the slit width

When the slit width is decreased, and the wavelength remains the same, the angle θ increases, and the pattern expands away from the bright center.

Answer:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

Explanation:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

Cyclotron to make 1 milligram of the isotope fluorine-18 for use a a diagnostic tool with it PET scanner. It seems that the hospital should plan to make more F-18 the next morning, as the amount remaining at midnight is very small.

The half-life of F-18 is 1.8 hours, so after 1.8 hours, half of the original amount of F-18 will remain. After 3.6 hours, a quarter of the original amount will remain, and so on.

At 3:00 PM (9 hours after the F-18 was made), the hospital will have

= 1/2^(9/1.8)

= 1/2^5

= 1/32

= approximately 0.03125 milligrams of F-18 remaining.

At midnight (18 hours after the F-18 was made), the hospital will have

= 1/2^(18/1.8)

= 1/2^10

= 1/1024

= approximately 0.0009765625 milligrams of F-18 remaining.

While using cyclotron, based on these calculations, it seems that the hospital should plan to make more F-18 the next morning, as the amount remaining at midnight is very small.

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mass of an object is always constant

weight is a force, \(W=mg\) where $g$ is acceleration due to gravity.

Weight on earth is , $900=m\cdot 10 \implies m=90$ kg

weight on moon is $150=90\times g_{\text{moon}} \implies g=\frac{5}{3}$

The two main mechanisms involved in sea level rise are thermal expansion and the melting of land-based ice. Hard defenses can provide protection against rising sea levels and coastal erosion for the communities located directly behind them, they can have potential impacts on neighboring communities.

As the Earth's oceans absorb heat from the atmosphere, the water expands thermally, leading to an increase in sea level.

Melting of land-based ice refers to the melting of glaciers and ice sheets, such as those in Greenland and Antarctica.

Under the RCP8.5 scenario, which represents a high greenhouse gas emissions trajectory, the dominant mechanism of sea level rise is expected to be the melting of land-based ice.

The increased temperature and subsequent accelerated melting of ice sheets and glaciers would contribute significantly to rising sea levels.

Hard defenses can provide protection against rising sea levels and coastal erosion for the communities located directly behind them, they can have potential impacts on neighboring communities.

Some of these impacts include Increased erosion, altered wave patterns, loss of coastal access, coastal squeeze, and visual and aesthetic impact.

It is essential to consider these potential impacts on neighboring communities when evaluating the suitability and long-term effects of implementing sea walls as coastal protection measures.

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A potentiometer is more accurate than a standard voltmeter due to its inherent design and operating principle.

A potentiometer, also known as a voltage divider, is a device that allows for precise measurement of voltage. It consists of a resistive element and a sliding contact (wiper) that can be moved along the resistive element. By adjusting the position of the wiper, the resistance ratio between the wiper and the ends of the resistive element can be changed, resulting in a variable output voltage. The accuracy of a potentiometer is primarily attributed to two factors. First, it allows for fine adjustment and calibration, as the wiper can be precisely positioned to obtain the desired voltage level. This capability is particularly useful when measuring small voltage differences or when high precision is required.

Secondly, a potentiometer offers a high input impedance, typically in the range of megaohms or higher. This means that it draws minimal current from the circuit being measured, causing negligible voltage drop and ensuring minimal disruption to the circuit’s behavior. In contrast, standard voltmeters have a finite input impedance that can introduce errors and affect the accuracy of voltage measurements, especially in high-impedance circuits. Overall, the adjustable nature and high input impedance of a potentiometer contribute to its enhanced accuracy compared to a standard voltmeter, making it a preferred choice in applications where precise voltage measurements are crucial.

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Answer: You have the right answer xD

Its AC/DC

The objects velocity must be changing when it is in an uniform circular motion, therefore the correct option is the option C.

It is defined as of  motion when the object is moving in a circle with a constant speed and its velocity is changing with every moment because of the change of direction but the speed of the object is constant in an uniform circular motion.

The acceleration of the object is constant throughout the motion in an uniform circular motion, for example the planets revolving around the sun in our solar system is a very good example of uniform circular motion.

The motion of a cyclist around the circular track is also an example of uniform circular motion.

Hence, when  an object moves with a uniform acceleration the objects velocity must be changing but the speed of the object would remain same, therefore the correct option would be option C.

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Answer:All professors planned and thought about data before graph construction. When reflecting on their graphs, professors and graduate students focused on the ... feel more inclusive in the learning process and gain better science process skills, ... We organized data in a table instead of a paragraph with numbers

Explanation:

hope that helps

Answer:

B.because gravitational potential energy can convert to kinetic energy

Explanation:

You can calculate the speed as it hits the ground because gravitational potential energy can convert to kinetic energy.

In this way, total energy can be conserved.

Answer: B

Explanation:

San Andreas Fault--Normal Fault is associated correctly.

This is option 1.

San Andreas Fault is a right-lateral strike-slip fault that runs approximately 800 miles (1,300 km) through California in the western United States. It forms the boundary between the Pacific Plate and the North American Plate, extending from the San Francisco Bay Area to the Salton Sea near the Mexico–United States border. It is one of the most significant geological features on the planet, and it is also one of the most active, with frequent earthquakes of varying sizes being reported in the region.

A normal fault is a type of fault that occurs when the rocks in the Earth's crust are pulled apart by tension. A normal fault occurs when the block of rock above the fault line falls downwards relative to the block of rock below the fault line, which is raised upwards.

So, the correct answer is option 1

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The main is: m = 5.97 and n = 24. To write 5,970,000,000,000,000,000,000,000 in scientific notation, we need to move the decimal point to the left until we have a number between 1 and 10. We can move the decimal point 24 places to the left to get 5.97. This means m = 5.97.

To find n, we count the number of place values we moved the decimal point. In this case, we moved it 24 places to the left. Therefore, n = 24.  5.97 is greater than 1, the exponent is positive.  To determine the values of m and n when the mass of the Earth is written in scientific notation'

For a value greater than 1, the exponent is positive. the mass of the Earth in scientific notation is 5.97 x 10^24 kg. that m and n are 5.97 and 24, respectively. The long answer includes the explanation of how to determine m and n by moving the decimal point, counting the place values, and noting that the exponent is positive.

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A parallel-plate capacitor has plates that are each 9.75 cm² in the area and are spaced 2.00 mm apart. There is a 20.0 fee on each plate. The potential difference between the plates is 10 * 10³ V.

Each plate has a surface area of 0.00192 m2. the capacitance is 8.5 * 10⁻¹² F.

part A )

electric field , E = 5 *10⁶ N/C

potential difference , V = E * d

V =  5 *10⁶ * 2 *10⁻³

V = 10 *10³ V

the potential difference between the plates is  10 *10³ V

part B)

E = 5 *10⁶ N/C

E = charge /(area * epsilon)

5 *10⁶ = 85 * 10⁻⁹ /( A * 8.85*10⁻¹²)

A = 0.00192 m²

area of each plate is  0.00192 m²

part c)

let the capacitance be C

Q = C * V

85*10⁻⁹ = 10 *10³ * C

C = 8.5 * 10⁻¹² F

the capacitance is 8.5 * 10⁻¹² F

A capacitor is an electronic component that stores electrical energy. It consists of two conductive plates separated by a dielectric material, such as air, paper, or plastic. When a voltage is applied to a capacitor, it charges up by storing energy in its electric field. Once the capacitor is fully charged, it can be used to release that stored energy quickly, making it useful in a variety of electrical applications.

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Answer:

Ionic bonds are formed between cation and anions . A cation is formed when a metal ion loses valence electron while an anion is formed when a non-metal gains a valence electron.

Given data:

* The distance covered in the given case is 150 meters.

* The time taken to cover the distance is 18 seconds.

Solution:

In the case of uniform motion of the body, the average speed of the body is the ratio of distance traveled and time taken by the body.

Thus, the average speed of the given person is,

Thus, the average speed in m/s is 8.33 m/s.