What is the shape of "the relationship between coil voltage and
relay status" curve? And what is this phenomenon called?

When the block and table are in an elevator moving upward at a constant speed, the magnitude of the normal force (Fn) is equal to the weight (mg) of the block.

This is because there is no net force acting in the vertical direction, so Fn balances out the weight of the block.

If the elevator is moving upward at an increasing speed, the magnitude of the normal force (Fn) will be greater than the weight (mg) of the block. The additional upward acceleration of the elevator requires an additional upward force to accelerate the block. The normal force must be greater than mg to provide this extra force and maintain equilibrium.

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The temperature decreases 5°C in one hour and then decreases another 3°C in the next hour fits the description of weather.

This is defined as the atmospheric condition of a place within a short period of time and is influenced by a lot of factors in the environment.

In this scenario, the temperature was taken every hour which is a short period of time and is thereby denoted as weather.

On the other hand, climate is the condition of a place over a long period of time which is usually up to a year which is why weather fits the definition provided.

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Answer:

1)  10 kg-m/s

2)  2 kg

3)  20 m/s

Explanation:

The momentum of an object can be calculated using the equation:

\(\large\boxed{p=mv}\)

where:

\(\hrulefill\)

For this question we need to find the momentum of a bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s.

Given values:

Substitute the given values into the momentum formula and solve for p:

\(p=4.0\;\text{kg} \cdot 2.5\;\text{m/s}\)

\(p=10\;\text{kg m/s}\)

Therefore, the momentum of the bowling ball is 10 kg-m/s.

\(\hrulefill\)

For this question we need to find the mass of a skateboard rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s.

Given values:

As we want to find mass, rearrange the momentum formula to isolate m:

\(\large\boxed{m=\dfrac{p}{v}}\)

Substitute the given values into the formula and solve for m:

\(m=\dfrac{6.0\; \text{kg m/s}}{3.0\; \text{m/s}}\)

\(m=2\;\text{kg}\)

Therefore, the mass of the skateboard is 2 kg.

\(\hrulefill\)

For this question we need to find the velocity of a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s.

Given values:

As we want to find velocity, rearrange the momentum formula to isolate v:

\(\large\boxed{v=\dfrac{p}{m}}\)

Substitute the given values into the formula and solve for v:

\(v=\dfrac{10\; \text{kg m/s}}{0.5\; \text{kg}}\)

\(v=20\;\text{m/s}\)

Therefore, the velocity of the baseball is 20 m/s.

Answer:

Explanation:

The new volume can be found by using the formula

\(P_1V_1 = P_2V_2\)

Since we are finding the new volume

\(V_2 = \frac{P_1V_1}{P_2} \\\)

From the question we have

101.325 kPa = 101325 Pa

96 kPa = 96000 Pa

From the question we have

\(V_2 = \frac{25 \times 96000}{101325} = \frac{2400000}{101325} \\ = 23.68615840...\)

We have the final answer as

Hope this helps you

Given that the velocity at any time t is

Also, the time interval is from t = 0 to t = 8 seconds

The position at time t = 0 s is s(0) = 1 m towards right of zero.

The initial time is t = 0 s, so the initial velocity will be

The final time is t = 8 s, so the final velocity will be

The average velocity will be

Thus, the average velocity is 14 m/s.

Part II:

The instantaneous velocity at time t =5 s will be

The instantaneous speed is the magnitude of instantaneous velocity.

Thus, the instantaneous speed will be 2 m/s.

Part III:

The particle will move towards the right when v(t) > 0

The time intervals will be

Thus, time intervals are t > 3 and t > 6 when the particle is moving towards the right.

Part IV :

The particle will move faster if the acceleration, a(t) > 0

The particle will slow down if the acceleration, a(t) < 0

So, first, we need to find the acceleration, it can be calculated as

For the particle moving faster,

For particle slowing down,

The total distance can be calculated as

Here, the negative symbol indicates it is towards the left from zero.

Answer:

denoting, relating to, or operated by a liquid moving in a confined space under pressure.

The prove of  Angle XYZ- Angle NYM is given below:

Note that from the image given;

Since ∠XYZ is said to be congruent to ∠NYM it can be proven by the use of the reflexive property.

The reflexive property is one that informs that any shape is regarded congruent to itself.

Since ∠NYM has a different way to call ∠XYZ that uses a different vertexes, but the sides are made up of the two angles which are said to be the same.

Therefore , ∠XYZ ≡ ∠NYM are proved by the reflexive property.

Since ΔXYZ is the same with Δ NYM, it can be proven by the AA (angle-angle) similarity theorem.

We have 2 angles Δ XYZ and Δ NYM:

Note that ∠YXZ ≡ ∠YNM

              ∠XYZ ≡ ∠NYM

So,  ΔXYZ is said to be the same to ΔNYM and it is proven by the AA similarity theorem.

Therefore, The prove of  Angle XYZ- Angle NYM is given below:

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Answer:

1. parrael

2. corresponding angles theorem

3. NYM

4. AA

Explanation:

just took it

Answer:

[defined as]

Explanation:

it is the missing word

Answer:

15.1 m/s²

Explanation:

Step 1: Calculate the force exerted by the friction

Friction exerts a force against the direction of the movement. On a horizontal plane, we can calculate the value of that force using the following expression.

Ff = μ × m × g

where,

μ: coefficient of kinetic friction

m: mass of the block

g: gravity

Ff = 0.50 × 10 kg × 9.81 m/s² = 49 N

Step 2: Calculate the resulting force

The horizontal force F and the friction force Ff are vectors that act in opposite directions. We can calculate the resulting force (R) by doing the subtraction.

R = F - Ff = R = 200 N - 49 N = 151 N

Step 3: Calculate the acceleration of the block

We will use Newton's second law of motion.

R = m × a

a = R/m

a = 151 N/10 kg = 15.1 m/s²

By increasing the number of coils around the iron core of an electric generator, Helen is most likely trying to increase the amount of current.

An electric generator works by converting mechanical energy into electrical energy. It does so by using a magnetic field to induce a current in a coil of wire. The coil of wire is wrapped around an iron core, which amplifies the magnetic field. As the coil spins within the magnetic field, it generates an electric current.

By increasing the number of coils around the iron core, Helen is increasing the amount of wire within the magnetic field. This means that more current will be induced in the coil as it spins. Therefore, by increasing the number of coils, Helen is most likely trying to increase the amount of current that the generator produces.

This is useful when more power is needed, such as in the case of powering larger devices or machinery. It is important to note that increasing the number of coils may also increase the resistance of the circuit, which can affect the overall efficiency of the generator.

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The statement which summarizes cellular respiration is Oxygen reacts with glucose to produce carbon dioxide and water, and release energy.

Cellular respiration is the process by which food, in the form of glucose is transformed into energy within cells.

The food is prepared by the plants by the process of photosynthesis in presence of sunlight. This food is in the form of glucose.

The respiration of plants is done by breaking of glucose by absorbing oxygen. This produces  carbon- di- oxide and water along with the release of energy.

Thus, the cellular respiration is oxygen reacts with glucose to produce carbon dioxide and water, and release energy.

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The carbon isotope was cobined with the proton to produce the nitrogen isotope hence it is a fusion reaction.

The term nuclear fusion refers to a kind of reaction in which two nuclei fuse together to give rise to a single nuclei with the evolution of energy.

We can see that the carbon isotope was cobined with the proton to produce the nitrogen isotope hence it is a fusion reaction.

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Answer:

A. Nuclear fusion

Explanation:

got it right, trust

The given statement "scientists are concerned about the decrease in ozone is allowing more ultraviolet" is true because ozone is a molecule made up of three oxygen atoms that exist in the Earth's atmosphere. It's a form of oxygen that absorbs almost all of the Sun's harmful ultraviolet light.

Ultraviolet rays are very harmful to humans, causing skin cancer, immune system breakdowns, and cataracts in the eyes. When the ozone layer is damaged or thinned, it can allow more ultraviolet rays to penetrate the atmosphere, which is why scientists are so concerned about ozone depletion.What are the impacts of ozone depletion?It is estimated that a 1% reduction in the ozone layer increases the incidence of non-melanoma skin cancer by 2%.A decrease of 10% in the ozone layer may result in a 20% increase in the incidence of skin cancer.The thinning of the ozone layer may result in a decrease in plant production, which may result in food supply shortages.A decrease in ozone may have an impact on phytoplankton, which play a crucial role in ocean food webs. These tiny creatures consume carbon dioxide and produce half of the world's oxygen. As phytoplankton numbers decline, ocean ecosystems may change, affecting everything from fish populations to weather patterns.

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The equation is given as v(t) = vt(1 − e^(-gt/vt)), where v(t) represents the terminal velocity of the raindrop, g is the acceleration due to gravity, and e is the base of the natural logarithm.

Under the assumptions made, we can establish the equation v(t) = vt(1 − e^(-gt/vt)) for the velocity of a falling raindrop at time t. This equation incorporates two key factors: the terminal velocity (v(t)) and the gravitational acceleration (g).

Terminal velocity is the maximum constant velocity achieved by an object falling through a fluid medium, such as air. It occurs when the drag force acting on the object equals the gravitational force pulling it downward.

The equation v(t) = vt(1 − e^(-gt/vt)) represents the variation of velocity with respect to time. As the raindrop falls, it accelerates due to the gravitational force. However, as it gains velocity, the air resistance opposing its motion increases until it reaches a point where the drag force matches the gravitational force.

At this point, the raindrop reaches its terminal velocity, denoted by v(t). The term (1 − e^(-gt/vt)) in the equation accounts for the decreasing effect of air resistance on the acceleration of the raindrop as it approaches terminal velocity.

Overall, this equation provides a mathematical representation of how the velocity of a falling raindrop changes over time, incorporating the effects of terminal velocity and gravitational acceleration.

It allows us to study and understand the behavior of raindrops as they descend through the atmosphere, considering the balance between gravity and air resistance.

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The resultant displacement of  Matsushima is 330.72 miles.

The resultant displacement of an object is the change in the position of the object. It can also be described as the shortest path connecting the initial position and final position of an object.

The resultant displacement of  Matsushima is calculated by applying parallelogram law of vector addition as shown below.

d² = a² + b² - 2ab cos(θ)

where;

Substitute the given parameters and solve for the resultant displacement of  Matsushima as shown below.

d² = (250)² + (125)² - 2(250 x 125) cos(120)

d² = 109,375

d = √109,375

d = 330.72 mi

Thus, the resultant displacement of Matsushima depends on the initial position, final position and angle between the two position as shown in the parallelogram law of vector additions.

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Answer:Given that widgets have a price elasticity of 1.75, any increase in widget price will B) decrease total revenue.

Explanation:

Answer:

0.303 seconds

Explanation:

We need to find the time that the cell phone takes to reach the sink. So, we will use the following equation

Where

yi is the initial position, so yi = 0.45 m

vi is the initial velocity. Since it is freefall, vi = 0 m/s

a is the acceleration due to gravity, so a = -9.8 m/s²

y is the final position, so y = 0 m

t is the variable that we need to find.

So, replacing the values, we get:

Now, we can solve for t

Therefore, you have 0.303 seconds before your cell phone is ruined.

Answer:

A quality of matter that is unrelated to a change in its chemical makeup is called a physical property.

Examples of physical properties of matter:

Physical properties are any qualities of matter that may be felt or seen without changing the sample's chemical composition.

Due to the wide range of features that make up physical attributes, they are further separated into intensive and extensive as well as isotropic and anisotropic categories.

Any characteristic that can be recognized and measured by sight, hearing, touch, smell, or other senses without evoking a chemical reaction is referred to as a physical property. Examples of physical traits are:

Color, Shape, Volume, Density, Calorific value, Boiling point, Viscosity, Pressure, Solubility, electrical current

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Answer:

\(mgh = \frac{1}{2} m {v}^{2} \\ v = \sqrt{2gh} \\ = \sqrt{2 \times 9.8 \times 10} \: m. {s}^{ - 1} \)

Answer:

The "solid force"? ... The direction of the force always seems to be coming out of the solid surface. A direction which is perpendicular to the plane of a surface is said to be normal. The force that a solid surface exerts on anything in the normal direction is called the normal force.

Explanation:

i think i hope this helps

The critical angle of the transparent material is 35.3 degrees.

The critical angle is the angle of incidence at which the angle of refraction is 90 degrees. In this case, the angle of refraction is 32 degrees. Therefore, the critical angle is calculated as follows:

sin(critical angle) = sin(90 degrees) / sin(angle of refraction)

sin(critical angle) = 1 / sin(32 degrees)

sin(critical angle) = 0.574

critical angle = arcsin(0.574)

critical angle = 35.3 degrees

Therefore, the critical angle of the transparent material is 35.3 degrees.

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Potassium Sulphate :-

\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf K}\put(0,0){\bf 1}\put(4,3){\sf SO_4}\put(4,0){\bf -2}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}\)

\(\boxed{\sf K_2SO_4}\)

Sodium chloride:-

\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf Na}\put(0,0){\bf 1}\put(4,3){\sf Cl}\put(4,0){\bf -1}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}\)

\(\boxed{\sf NaCl}\)

Ammonium Chloride

\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf NH_4}\put(0,0){\bf 1}\put(4,3){\sf Cl}\put(4,0){\bf -1}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}\)

\(\boxed{\sf NH_4Cl}\)

Silver Oxide

\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf Ag}\put(0,0){\bf 1}\put(4,3){\sf O}\put(4,0){\bf -2}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}\)

\(\boxed{\sf Ag_2O}\)

The impact force for vehicle A was equal and opposite to the impact force for vehicle B.

The given parameters;

Vehicle A:

Vehicle B:

The impact force for vehicle A is calculated as follows;

\(F = ma = \frac{mv}{t} = \frac{3000 \times 10}{0.01} = 3,000,000 \ N\)

The impact force for vehicle B is calculated as follows;

\(F = ma = \frac{mv}{t} = \frac{1000 \times -30}{0.01} = - 3,000,000 \ N\)

Thus, we can conclude that the impact force for vehicle A was equal and opposite to the impact force for vehicle B.

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Answer:

Direction

Explanation: Hope this helps!

Answer:

nvm its direction :))

Explanation:

Speed and velocity both represent a way to measure the change in position of an object relative to time. In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be the same). Speed and velocity are measured in the same units: meters per second or m/s.

Velocity is a measure of both speed and direction of motion. Velocity is a vector, which is a measurement that includes both size and direction. Velocity can be represented by an arrow, with the length of the arrow representing speed and the way the arrow points representing direction.

457280.13 8 J change in gravitational potential energy is needed.

where

m = 68 kj

H = 2574 ft

where = 32 5 ft

a )if Gravitational potential energy is zero at see level .

then at strating

point,

Equation

G. P . E ( Ui ) = mgh

Change in G PE ;

AU = UJ - Vi

= mgy- mgh = mg ( H-h)

= 68 x9.81 [2574 - 325 0.3048

AU = 457280' 138 Joules

at top

GPE ( Uf ) = mgy

P . E = 0

GPF = Gravitational potential Energy .

at Top ape = 0

b)then change in GPE ;

ΔU = U(top) - Vata

= 0 - [-mg ( 4-h )]

= mg ( H-h j

= 68 * 9 . 81 [ 257 4 - 325 ) 0.3048

ΔU = 45 7280 . 13 8 J.

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Answer:

both are subject to a person's interpretation.

Answer:

it is a subject to a person's interpretation.

Explanation:

i hope this helps!

Geothermal energy is heat that occurs deep within the earth. Geothermal energy is a clean, renewable resource that can be used for heat and electricity.

Humans can harvest geothermal energy in the following ways. A geothermal power plant uses heat from deep underground to generate steam and generate electricity. Geothermal heat pumps use heat from near the surface to heat water or heat buildings. Geothermal power plants uses the steam to generate electricity. The steam comes from reservoirs of hot water several miles or more underground. The steam spins turbines and drives generators to generate electricity. These are the features of geothermal energy within the earth.

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Answer:

Explanation:

Which statement accurately describes the outer planets?

Pluto is one of the outer planets.

The outer planets are also called rocky planets.

The outer planets have thin atmospheres.

The outer planets have a high gravity due to their large size is the statement that accurately describes the outer planets, therefore the correct answer is option D

It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.

Our Solar System is based on a heliocentric model in which the Sun is assumed to reside at the central point of the planetary system.

In general, the outer planets are larger than the inner planets. They have extremely large and dense atmospheres and are made of gases. These planets have stronger gravitational pulls because they are larger overall and have more mass.

Thus, The statement that most accurately describes the outer planets is "The outer planets have a high gravity due to their large size," so option D is the appropriate response.

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The next new moon will likely occur on July 31 if there is a first quarter moon on July 9 otherwise. The First Quarter Moon is a new Moon phase during which just half of the new Moon surface is illuminated.

Depending on where on Earth you are, it could be either the left or right half.  first quarter Apart from the Sun, new Moon is the only other astronomical object that is clearly visible in the sky during the day. Around midday and midnight, the First Quarter Moon rises and sets. Unlike a Third Quarter Moon, which rises in the midst of the night and sets in the middle of the day, first quarter this moon is not in its third quarter.

It's usually best to view other planets during New Moon evenings because they're dark.

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