Answer:
Creating large preserves in biodiversity hotspots
Explanation:
In order to preserve the biodiversity hotspots, humans must create biodiversity hotspots which are regions that will nurture, preserve and protect the species from the danger of going extinct in the wild or being hunted by other predators or men. There will help protect them from dangers and improve the biodiversity of the planet. It will add to the ecological productivity of the environment.A 1.0 kg cube of ice is dropped into 1.0 kg of water, and when equilibrium is reached, there are 2.0 kg of ice at 0.0° C. The initial temperature of the water was 0°C. What was the original temperature of the ice? (Cw = 4186 J/kgo°C, c; = 2093 J/kg.°C, and If = 3.3 × 105 J/kg)
The initial temperature of the water was 0°C and the original temperature of the ice was -78.8°C.
First, we need to determine how much heat was transferred from the water to the ice to melt the ice and raise its temperature to 0°C.
The heat is required to melt the ice will be;
Q₁ = m_ice x Lf
where m_ice is the mass of the ice and\(L_{f}\) is the latent heat of fusion of ice.
Q₁ = 1.0 kg x 3.3 x 10⁵ J/kg
= 3.3 x 10⁵ J
The heat required to raise the temperature of the melted ice from -x°C to 0°C is;
Q₂ = m_ice x c_ice x ΔT
where c_ice is the specific heat capacity of ice and ΔT is the change in temperature.
Q₂ = 1.0 kg x 2093 J/kg.°C x (0 - (-x))°C
= 2093x J
The heat lost by the water will be equal to the heat gained by the ice;
Q₁ + Q₂ = m_water x Cw x ΔT
where m_water is the mass of the water and Cw is the specific heat capacity of water.
3.3 x 10⁵ J + 2093x J = 1.0 kg x 4186 J/kg.°C x (0 - T)°C
Solving for T, we get;
T = -[(3.3 x 10⁵ J + 2093x J)/(4186 J/kg.°C)]
= -78.8°C
Therefore, the original temperature of the ice was -78.8°C.
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State any similarities and differences between geostationary and geosynchronous orbit.
Similaritis:
Both orbits make the satellite stationary relative to a longitude of the Earth. That means that the satellite would hover ovr the same latitude in both geostationary and geosynchronous orbit.
Both orbits entail that a satellite has a period of roughly the length of a sidereal day, or one rotation of the Earth.
Differences:
Geostationary orbits need to be on the same plane as the equator, while geosynchronous orbits can range in latitude, so the satellitemay appear to shift north and south on the same latitude.
Geostationary orbits are just geosynchronous orbits that are coplanar with the equator.
Consider a single turn of a coil of wire that has radius 6.00 cm and carries the current I = 1.50 A . Estimate the magnetic flux through this coil as the product of the magnetic field at the center of the coil and the area of the coil. Use this magnetic flux to estimate the self-inductance L of the coil.
Answer:
a
\(\phi = 1.78 *10^{-7} \ Weber\)
b
\(L = 1.183 *10^{-7} \ H\)
Explanation:
From the question we are told that
The radius is \(r = 6 \ cm = \frac{6}{100} = 0.06 \ m\)
The current it carries is \(I = 1.50 \ A\)
The magnetic flux of the coil is mathematically represented as
\(\phi = B * A\)
Where B is the magnetic field which is mathematically represented as
\(B = \frac{\mu_o * I}{2 * r}\)
Where \(\mu_o\) is the magnetic field with a constant value \(\mu_o = 4\pi * 10^{-7} N/A^2\)
substituting value
\(B = \frac{4\pi * 10^{-7} * 1.50 }{2 * 0.06}\)
\(B = 1.571 *10^{-5} \ T\)
The area A is mathematically evaluated as
\(A = \pi r ^2\)
substituting values
\(A = 3.142 * (0.06)^2\)
\(A = 0.0113 m^2\)
the magnetic flux is mathematically evaluated as
\(\phi = 1.571 *10^{-5} * 0.0113\)
\(\phi = 1.78 *10^{-7} \ Weber\)
The self-inductance is evaluated as
\(L = \frac{\phi }{I}\)
substituting values
\(L = \frac{1.78 *10^{-7} }{1.50 }\)
\(L = 1.183 *10^{-7} \ H\)
The radius of the circular path of an ion in a mass spectrometer is given by r=1/B √2Vaccelm/q. Use this equation to explain how a mass spectrometer is able to separate ions of different masses.
The mass spectrometer separates ions of different masses by utilizing the relationship between the strength of the magnetic field, the accelerating voltage, the charge-to-mass ratio of the ions, and the resulting radius of the circular path
What is the mass spectrometer?From the formula in the question;
B is a symbol for the magnetic field's intensity as it is applied to the mass spectrometer.
The accelerating voltage used to move the ions is called Vaccelm.
The charge of the ion, specifically its charge-to-mass ratio (q/m), is represented by the letter q.
The mass spectrometer may selectively alter the radius of the circular route for various ions by varying the magnetic field's intensity (B). This makes it possible to spatially segregate ions with various masses based on their various radii. The ions' locations and masses can then be measured using detectors placed along the journey.
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Drag the moon to various locations in order to determine the quantitative effect of distance upon the gravitational force. Examine the effect of doubling, tripling and quadrupling the distance of separation (as measured from planet's center). Consider the planet's surface to be a distance of one Earth-radius (1 Rplanet). Use the table at the right to record data for whole-number multiples of Rplanet. Use your data to complete the following sentences. If the separation distance between the moon and the planet is ...
Answer: ?? what moon are you talking about that i have to drag to various locations???
Explanation:
An +9.7 C charge moving at 0.75 m/s makes an angle of 45∘ with a uniform, 1.5 T magnetic field. What is the magnitude of the magnetic force F that the charge experiences?
Answer:
F = 7.72 N
Explanation:
The magnetic force on the charge can be given by the following formula:
\(F = qvB Sin\theta\)
where,
F = magnetic force = ?
q = magnitude of charge = 9.7 C
v = speed of charge = 0.75 m/s
B = magnetic field = 1.5 T
θ = angle = 45°
Therefore,
\(F = (9.7\ C)(0.75\ m/s)(1.5\ T)Sin45^{o}\)
F = 7.72 N
which is not an insulator?
A wood
B plastic foam
C aluminum foil
D fiberglass
Answer:the answer is C aluminum foil
Explanation:
Substitute the value 26.7 (or the exact value of 80/3) for x in the first of the original equation (x + y = 40) to find the value of y. Once you have found the value of y using the first of the original equation, you can substitute this value of y and the value of x (26.7) into the second of the original equation (0.75x + 1.5y = 40) to check your work. If the values that you find on the two sides of the equal sign are not equal, then you must recheck your work.
Complete Question
The complete question is shown on the first uploaded image
Answer:
the value of \(y = 13.3\)
Explanation:
From the question we are told that
The equation is (x + y = 40)
The first value of x is \(x_1 = 26.7\)
The second equation is (0.75x + 1.5y = 40)
So substituting \(x_1\)
\(26.7 + y = 40\)
=> \(y = 13.3\)
Now substituting y and \(x_1\) into second equation
\(0.75(26.7) + (1.5* 13.3) = 40\)
=> \(40 = 40\)
So \(y = 13.3\)
A rescue plane travels horizontally at 30.0m/s 200.0m above the ground. it drops a supply package.
Answer:
i think u times them im not sure but then divide
Explanation:
Answer:
The horizontal distance of the package fall before landing is (30 m/s)*(time to fall 200 m). Furthermore the velocity of the package just before it hits the ground is - g*t is the vertical component
30 m/s is the horizontal component.
t is the time required to fll H = 200 m, which is
sqrt(2H/g)
You do the numbers
Alice and Bob are bicycle-racing, on a two-mile track. Bob rides the first mile at 50 mph,
and the second mile at 71 mph. Calculate the time in minutes) that he travels the two
miles.
Answer:
2.04 minutes
Explanation:
He travels the first mile at 50 mph so:
\(60/50=1.2\)
so it takes 1.2 minutes to travel each mile when going 50 miles per hour
and for the second mile he travels at 71 mph so:
\(60/71=0.84\) (this answer is rounded)
so it takes him 0.84 minutes to travels each mile while going 71 mph.
If you ad them together his total times while biking two miles was 2.04 minutes.
100 Points !!!!!!!! I WILL GIVE BRAINLIEST
Answer: 1. 0.25 m/s squared
2. A = 0.4 m/s^2
3.=20kg. I did this before.
Explanation:
Answer:
Answer: 1. 0.25 m/s squared
2. A = 0.4 m/s^2
3.=20kg.
Explanation:
brainliest? ill answer more of your recent questions!!
Explain the light detection technique of photovoltaic detection
Answer:
Photovoltaic detection is a technique that converts light into electrical energy. It is a process that involves the use of a photovoltaic cell, which is made up of semiconductor materials, to generate an electric current when exposed to light.
The photovoltaic cell absorbs the photons of light, which then knock electrons out of their orbits, creating a flow of electricity. The amount of electricity produced is proportional to the intensity of the light. The photovoltaic cell is commonly used in solar panels to generate electricity from sunlight. The efficiency of the photovoltaic cell is dependent on several factors, including the type of semiconductor material used, the purity of the material, and the thickness of the cell.
The photovoltaic cell has many applications, including in solar power generation, telecommunications, and remote sensing. The technique of photovoltaic detection is an important area of research, as it has the potential to provide a clean and renewable source of energy that can help mitigate climate change.
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question 22 options:convert the following points from polar coordinates into rectangular coordinates.round your answers to the nearest tenth (1 decimal place).required format of answer: give your answer as an ordered pair with no spaces between symbols (-
The equations x is rcos and y is rsin can be used to convert polar coordinates to rectangle coordinates.
What is the procedure for converting a polar coordinate to a rectangle coordinate?The equations x=rcos and y=rsin can be used to convert polar coordinates to rectangle coordinates.Using the equation x=rcos()x = r cos, get the x-coordinate for the point's rectangular coordinate form in step 1. Using the equation y=rsin() y = r sin, find the y-coordinate for the point's rectangular coordinate form in step 2. (r, +2n) or (-r, +(2n+1)) are possible formulas, where n is an integer. If measured in the other direction, the value of is positive. When calculated anticlockwise, the value of is negative. If laid off at the terminal side of, the value of r is positive.To learn more about polar coordinates refer to:
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A wave travels at a consent speed. how does the frequency change if the wavelength is reduced by a factor of 4?
Answer:
The frequency increases by 4 because it is inversely proportional to the wavelength.
How much energy is needed to change the temperature of 50g of water 15°c
Explanation:
This question is not feasible. There is no way to calculate the energy needed because the question is missing the final temperature
what variable is on the y-axis on this graph
Answer:show me the graph please so i can help you
Explanation:
PLEASE HELPPP MEEE :((
A bicyclist steadily speeds up from rest to 6.00m/s in 7.30s.
How far did she travel during this time?
Answer:
21.899 m
Explanation:
The explanation here is a little differe because we are starting from rest. So, everyone does physics a little differently, but what I would start with is trying to find the accelaration. I've given the formula, now you are able to plug this into the displacement formula where you Velocity Initial = 0m/s (Since you are starting from rest) and V final = 6.00 m/s...
You just plug numbers into the formula after solving for accelaration and do some simple algebra! I hope this helps! I am attaching a new pdf for visuals! If you can't open it let me know! Also there is a star by accelaration because I didn't know if I spelled it right, sorry!
Which of the following explanations represents why taste aversion breaks the rules of conditioning?
A. Taste aversion requires no cognitive processes in order to develop.
B. Taste aversion is a learned response that does not occur without cognition.
C. Taste aversion can develop after only one pairing of a stimulus and response.
D. Taste aversion cannot be explained by using conditioning processes.
Answer:
C. Taste aversion can develop after only one pairing of a stimulus and response.
Explanation:
Taste aversion is a unique type of learned response where an individual develops a strong aversion or avoidance to a specific taste or food after a single pairing of that taste with a negative reaction, such as nausea or illness. This is in contrast to traditional conditioning, where multiple pairings of a stimulus and response are typically required for learning to occur. Taste aversion demonstrates a unique rapidity and specificity in its development, which deviates from the general principles of conditioning.
17) A Super Dogl flies by and has 1,780 Joules of Potential Energy. IfSuper Dog! is flying at an altitude of 15 meters, what is its mass?PS Must say Super Dog! in a superman voice. He is thegoodest of all the good dogs after all.
In this case, we have to use the potential energy definition
\(U=m\cdot g\cdot h\)Where U = 1,780 Joules, h = 15 meters, g = 10 m/s2. Let's replace these values and solve for m
\(\begin{gathered} 1,780J=m\cdot10m/s^2\cdot15m \\ 1,780J=m\cdot150m^2/s^2 \\ m=\frac{1,780J}{150m^2/s^2} \\ m\approx11.87\operatorname{kg} \end{gathered}\)Hence, its mass is around 11.87 kilograms.Given the functions f(x)=(1/x-3)+1 and g(x) = (1/1+4)+3
Which statement describes the transformation of the graph of function f onto the graph of function g?
O The graph shifts 2 units right and 7 units down.
O The graph shifts 7 units left and 2 units up.
O
e graph shifts 7 units right and 2 units down.
O The graph shifts 2 units left and 7 units up.
The statement that describes the transformation of the graph of function f onto the graph of function g is: The graph shifts 2 units right and 7 units down.
To determine the transformation of the graph of function f onto the graph of function g, we compare the two functions f(x) and g(x) and observe the changes in the equations.
The function f(x) = (1/x - 3) + 1 represents a reciprocal function that is shifted vertically 1 unit up and horizontally 3 units to the right. The reciprocal function is reflected about the line y = x.
The function g(x) = (1/(1 + 4)) + 3 simplifies to g(x) = 4 + 3 = 7, which is a constant function representing a horizontal line at y = 7.
By comparing the equations, we can see that the transformation from f(x) to g(x) involves the following changes:
The term 1/x in f(x) is replaced by the constant 1/(1 + 4) in g(x), resulting in a vertical shift of 7 units up.
The term -3 in f(x) is replaced by 3 in g(x), resulting in a vertical shift of 3 units up.
The +1 in f(x) is replaced by +3 in g(x), resulting in an additional vertical shift of 2 units up.
Therefore, the overall transformation is a shift of 2 units to the right and 7 units down.
Hence, the correct statement is: The graph shifts 2 units right and 7 units down.
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Which diagram is the best model for a solid?
Substance A
Substance B
О Substance C
Answer:
This link was diagram
Explanation:
https://doubtnut.app.link/FnsNC80Dccb
does gravity cause a change in an objects movement
Answer:
yes
Explanation:
because gravity moves things
Two objects are held close together. When they are released, they move toward one another. Which conclusion is supported by this evidence? O The objects are both positively charged. O The objects are both negatively charged. O The objects have no charge. O The objects have opposite charges. Mark this and return Save and Exit 02:48:18 Next Submit
Two objects are held close together. When they are released, they move toward one another. The conclusion is supported by this evidence is the objects have opposite charges.
An electric charge is a physical property that causes matter to experience a force when in close proximity to other electrically charged matter. There are two types of electric charges: positive and negative. Protons, which are positively charged, and electrons, which are negatively charged, are subatomic particles that make up matter.
In general, the protons and neutrons in the nucleus of an atom have a net positive charge, while electrons, which orbit the nucleus, have a net negative charge. The charges of these subatomic particles are indicated by the symbols "p" for proton, "n" for neutron, and "e" for electron.
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A Carnot engine working between two heat baths of temperatures 264 oC and 0 oC completes each cycle in 6 s. In each cycle, the engine absorbs 12.3 kJ of heat. Find the power of the engine in W
The power of the Carnot engine is 1.025 W.
Temperature of the hot reservoir, T₁ = 264°C = 537 K
Temperature of the cold reservoir, T₀ = 0°C = 273 K
Heat absorbed by the Carnot engine, Q₁ = 12.3 kJ
Efficiency of the Carnot engine,
η = 1 - (T₀/T₁)
η = 1 - 273/537
η = 0.5
We know that efficiency of Carnot engine,
η = 1 - Q₀/Q₁
Therefore, exhausted heat,
Q₀ = Q₁(1 - η)
Q₀ = 12.3(1 - 0.5)
Q₀ = 6.16 kJ
So, work done by the engine,
W = Q₁ - Q₀ = 12.3 - 6.15
W = 6.15 kJ
Therefore, power of the engine,
P = W/t = 6.15/6
P = 1.025 W
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why fan videos be streamed from the cloud to a computer with no lost quality
Videos can be streamed from the cloud to a computer with no loss in quality because Digital signals are used to transmit data to and from the cloud.
How do digital signals work?
An established or one that represents data as a step made up of discrete values is known as a digital signal. There is no noise produced by digital signals. Electronic signals sent as pulses are used to transmit digital signals to computers. These signals can be found in things like digital phones and computers.
Because digital signals are used to transport data to and from the cloud, it should be noted that videos are said to stream from the cloud to a computer without quality degradation.
Videos can be streamed from the cloud to a computer with no loss in quality because Digital signals are used to transmit data to and from the cloud.
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A rectangular block weighting 320N has dimensions 4metre by 10metre what is the greater pressure and the least pressure it can be exerted on the ground
The pressure exerted by a rectangular block on the ground is 8 Pascal (Pa) when its weight is 320 N and its dimensions are 4 meters by 10 meters. The greatest pressure occurs when the block is vertically placed at 20 Pa, while the least pressure occurs when it is horizontally placed at 8 Pa.
To calculate the pressure exerted by the rectangular block on the ground, we need to consider the formula for pressure:
Pressure = Force / Area
Given that the weight of the block is 320 N and the dimensions of the block are 4 meters by 10 meters, we can calculate the area of the block in contact with the ground. In this case, it is the length multiplied by the width of the block.
Area = length * width
Area = 4 meters * 10 meters
Area = 40 square meters
Now, we can calculate the pressure exerted by the block on the ground:
Pressure = 320 N / 40 square meters
Pressure = 8 N/m^2 (Pascal)
Therefore, the pressure exerted by the rectangular block on the ground is 8 Pascal (Pa).
To determine the greatest pressure and the least pressure that can be exerted on the ground, we need to consider the orientation of the block.
The greatest pressure occurs when the block is placed vertically on one of its smallest faces. In this case, the entire weight of the block (320 N) is concentrated on a smaller area.
The area in contact with the ground is given by the length multiplied by the width of the smallest face.
Area = 4 meters * 4 meters = 16 square meters
Greatest Pressure = 320 N / 16 square meters = 20 \(N/m^2\)(Pascal)
The least pressure occurs when the block is placed horizontally on one of its largest faces. In this case, the weight of the block is distributed over a larger area.
The area in contact with the ground is given by the length multiplied by the width of the largest face.
Area = 4 meters * 10 meters = 40 square meters
Least Pressure = 320 N / 40 square meters = 8 \(N/m^2\)(Pascal)
Therefore, the greatest pressure that can be exerted on the ground is 20 Pascal (Pa), and the least pressure is 8 Pascal (Pa).
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If tony uses a force of 1525 N to drive his car a distance of 381 m, how much work is done on his car?
Hello!!
For calculate the work let's applicate the formula:
\(\boxed{W=Fd}\)
\(\textbf{Being:}\)
\(\sqrt{}\) W = Work = ?
\(\sqrt{}\) F = Force = 1525 N
\(\sqrt{}\) d = Distance = 381 m
⇒ \(\text{Then let's \textbf{replace it according} we information:}\)
W = 1525 N * 381 m
⇒ \(\text{Let's resolve it: }\)
W = 581025 J
\(\textbf{Result:}\\\text{The work is \textbf{581025 Joules}}\)
Work done on an object is the product of force and displacement. The work done on the car by the force of 1525 N making a displacement of 381 m is 581 KJ.
What is work done?When a force applied to an object make a displacement of the body or stopes its motion, the force is said to be work done on the object. Thus, work done can be taken as the product of force and displacement.
Work done like force is a vector quantity thus characterized with magnitude and direction. Work done is equivalent to the energy required to make the object displaced.
Given the force = 1525 N
displacement = 381 m
work done = force × displacement
w = 1525 N × 381 m = 581 KJ.
Therefore, the work done on the car is 581 KJ.
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Determine the diameter of wire with a circular cross-section that has tensile force of 60.0Newtons, and this force produces a stress of 3 060 000 pascal
Answer:
the diameter of the wire is 5 mm.
Explanation:
Given;
tensile force of the wire, F = 60 N
stress on the wire, δ = 3,060,000 Pa = 3,060,000 N/m²
Let A be the cross sectional area of the wire
The cross sectional area of the wire is calculated as follows;
\(\sigma = \frac{F}{A} \\\\A = \frac{F}{\sigma} \\\\A = \frac{60}{3,060,000} = 1.961 \times 10^{-5} \ m^2\)
The diameter of the wire is calculated as follows;
\(A = \frac{\pi d^2}{4} \\\\d = \sqrt{\frac{4A}{\pi} } \\\\d = \sqrt{\frac{4\times 1.961 \times 10^{-5}}{\pi} } \\\\d = 5.0 \times 10^{-3} \ m\\\\d = 5 \ mm\)
Therefore, the diameter of the wire is 5 mm.
Please help 3. What is the best explanation of the image shown below?
O A. The ball was pitched at orbital velocity.
O B. The ball was pitched at more than orbital velocity but less than escape velocity.
O c. The ball was pitched at escape velocity.
D. The ball was pitched at more than escape velocity
Answer:
A
Explanation: took the test