A thermometer that consistently measures five degrees cooler than the actual temperature is:________

Answer:

V = 0.87 volt

Explanation:

Given that,

Charge, \(q=7.3\times 10^{-17}\ C\)

Electric potential energy, \(U=6.4\times 10^{-17}\ J\)

We need to find the value of electric potential at a point. The relation is as follows :

\(V=\dfrac{U}{q}\)

Where

V is electric potential

So,

\(V=\dfrac{6.4\times 10^{-17}}{7.3\times 10^{-17}}\\\\V=0.87\ V\)

So, the value of the electric potential at a point is equal to 0.87 Volts.

The mechanism that is responsible for the formation of snowflakes is the nucleation of ice crystals.

This is defined as a piece of snow which falls from the sky as a result of an extremely cold climate condition and is common in the arctic regions of the world.

Snow flakes are formed when ice crystals stick together to form the flakes which usually has a dust or pollen being formed around the area being talked about.

This is also regarded as a type of precipitation such as rain etc and is therefore the most appropriate choice.

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Existence and Individuality If a function f(t, y) is continuous and locally Lipschitz in y, then for a given starting value issue of the form: y(0) = y0, y' = f(t, y). On some interval.

including the beginning point, there exists a unique solution (t0, y0). The theorem simply ensures the presence and uniqueness of a solution on some interval including the beginning point, not that it exists for all t. The existence and uniqueness intervals of the solution are determined by the behavior of the function f(t, y) and the initial value y0. As a result of the Existence and Uniqueness Theorem, the stated initial value problem If the function f(t, y) is continuous and locally Lipschitz in y, it has a unique solution. If these requirements are not met, the theorem cannot ensure the existence or uniqueness of a solution, and additional approaches may be required to find one.

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It takes approximately 0.902 seconds time interval for the ball to strike the ground.

To determine the time interval it takes for the ball to strike the ground, we can use the equations of motion. Since the ball is thrown directly downward, we can assume that the initial velocity (u) is negative (-8.85 m/s), and the acceleration due to gravity (g) is positive (9.8 m/s²).

The equation to calculate the time of flight (t) is

t = (v - u) / g

Where:

v = final velocity (when the ball strikes the ground)

u = initial velocity

g = acceleration due to gravity

In this case, the final velocity when the ball strikes the ground is 0 m/s (as it comes to rest). So, substituting the given values into the equation, we have

t = (0 - (-8.85)) / 9.8

t = 8.85 / 9.8

t = 0.902 seconds

Therefore, it takes approximately 0.902 seconds for the ball to strike the ground.

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Their electrical potential energy will decrease, their kinetic energy will increase, and they will travel towards each other.

When two negative charges are released and constrained to remain close together, the charges will be repelled by each other due to their opposite electrical charges.

This repelling force causes the charges to move away from each other, increasing their kinetic energy and decreasing their electrical potential energy.

Since they are constrained to remain close together, they will travel towards each other until they come into contact. At that point, the electrical potential energy will reach its minimum, and the kinetic energy will reach its maximum.

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Answer:

I think lead is the heaviest one

Figure 1 shows a 5.4 N force pushing two gliders along an air track. The 160 g spring between the gliders is compressed. The spring is firmly attached to the gliders and does not sag. This situation demonstrates Hooke’s Law, which states that the force required to compress a spring is directly proportional to the amount of displacement of the spring. In this case, the 5.4 N force is pushing the gliders towards each other, compressing the spring and causing a displacement. As Hooke's Law states, the greater the force used to compress the spring, the greater the displacement will be.

The stiffness of the spring in this situation would be determined by the spring constant, which can be calculated using the formula F = -kx. The spring constant can be calculated by using the displacement of the spring.

When the 5.4 N force is applied, the kinetic energy of the gliders is converted into potential energy, which is stored in the compressed spring. When the force is removed, the potential energy is converted back into kinetic energy and the gliders move away from each other.

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Answer:

the matter is made into paper

Explanation:

the force between the two wires if they are separated by 2.50 cm is 0.525 N.

Given that force F between two parallel wires carrying electric currents is inversely proportional to the distance d between the wires and that a force of 0.750 N exists between wires that are 1.75 cm apart and that we are supposed to find the force between them if they are separated by 2.50 cm.

Let the initial force be F₁ and the initial distance be d₁.

Therefore, we can write the relationship between force and distance as;

F₁d₁ = F₂d₂

Where

;F₁ = 0.750 N (initial force)

d₁ = 1.75 cm (initial distance)

F₂ = ? (force at new distance)

d₂ = 2.50 cm (new distance)

Let us find F₂;F₁d₁ = F₂d₂F₂ = F₁d₁/d₂

Now substitute the values we know;

F₂ = (0.750 N x 1.75 cm) / 2.50 cmF₂ = 0.525 N

Therefore, the force between the two wires if they are separated by 2.50 cm is 0.525 N.

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If you press on the plunger, you increase the pressure of the air, and thus the air in the small syringe escapes out, and hens the large syringe gets expanded.

Also the colored water gets filled inside the larger syringe.

The required lim t → ∝ v(t) when an object is dropped from rest is calculated to be mg/c.

Given that,

An object with mass m is dropped from rest and taking air resistance into account.

The velocity as a function of time is,

v(t) = (m g)/c [ 1 - e^-(ct/m)]

v(t) = (m g)/c [ 1 - 1/e^(ct/m)]

lim t → ∝ v(t) = (m g)/c [ 1 - 1/∝]

lim t → ∝ v(t) = (m g)/c ( 1 - 0)

lim t → ∝ v(t) = (m g)/c

Thus, the required lim t → ∝ v(t) when an object is dropped from rest is calculated to be mg/c.

The question is incomplete. The complete question is 'v = mg c (1 − e−ct/m) where g is the acceleration due to gravity and c is a positive constant describing air resistance. (a) Calculate lim t→∞ v.'

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Answer:

I'm not ASTRO physicist but an electro field is where I put my bets on

Explanation:

could be wrong

The Nebular Hypothesis is the theory that describes how our solar system was created. According to this theory, the solar system formed from a giant rotating cloud of gas and dust called the solar nebula. The central region of the nebula collapsed to form the Sun, while the surrounding material clumped together to form planets, moons, asteroids, and comets through a process called accretion.

The formation of our solar system is explained by the Nebular Hypothesis, which is the most widely accepted theory. According to this hypothesis, the solar system formed from a giant rotating cloud of gas and dust called the solar nebula.

As the solar nebula collapsed under its own gravity, it began to spin faster and flatten into a spinning disk. The central region of the disk became denser and formed the Sun, while the surrounding material in the disk clumped together to form planets, moons, asteroids, and comets. This process is known as accretion.

The Nebular Hypothesis provides a comprehensive explanation for the formation of our solar system. It is supported by various lines of evidence, including the composition and motion of the planets, the presence of debris in the form of asteroids and comets, and the similarities between the Sun and other stars.

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     "

The theory that explains how our solar system was created is the Solar Nebula Theory. The Solar Nebula Theory explains that the Sun, the planets, and other bodies in the solar system originated from a vast cloud of gas and dust called the solar nebula.

This theory proposes that our solar system was created about 4.6 billion years ago, when a cloud of interstellar gas and dust collapsed under the influence of gravity. This caused the cloud to spin faster and flatten into a disk-like shape, with the central mass forming the Sun.

Over time, the dust and gas in the disk started to clump together and grow, eventually forming the planets and other bodies in the solar system.

The Solar Nebula Theory also helps explain some of the key characteristics of our solar system. For example, it explains why the planets are all in the same plane and orbit the Sun in the same direction.

It also explains why the inner planets are small and rocky, while the outer planets are larger and gaseous. Additionally, the theory can account for the existence of asteroids, comets, and other bodies in the solar system.

There is evidence that supports the Solar Nebula Theory, such as observations of protoplanetary disks around other stars, which show the early stages of planet formation.

Scientists also study meteorites, which are pieces of material left over from the formation of the solar system, to learn more about how it formed and evolved.

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Answer:

plagiarism

Explanation:

thats the answer because plagiarism means: the practice of taking someone else's work or ideas and passing them off as one's own.

Thats the definition!!!

lmk if this helped

Answer:phishing

Explanation:the definition of phishing is: the fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.

Answer:

wow

Explanation:

Answer:

x=50

Explanation:

Answer:

vertically opposite angles are equal

Explanation:

so

2x+30=3x-20

2x-3x= -20-30

-1x= -50

so x is 50

as minus gets cancelled both sides.

HOPE IT HELPS YOU

PLS MARK ME BRAINLIEST

The drift velocity of electron is 4.54 * 10⁻⁴ m/s.

Given that, Density of copper is 8.8* 10³ kg/m³

Charge of an electron is 1.6* 10⁻¹⁹ C

For the density of copper, the number of free electrons n can be calculated by

n = number of electrons per kg * ρ

⇒ (9.4776* 10²⁴ ) (8.8 * 10³ kg/ 1 m³) = 8.314 * 10²⁸ electrons per m³

Diameter of the wire is given as 2.053 mm

Let us calculate A for the provided diameter of wire

A = π * (d/2)² = π * (2.053 /2)² = 3.310* 10⁻⁶ m²

Given, I = 20 A

We know the expression for drift velocity as

Vd = I /(n* A* e) = 20 / (8.314 * 10²⁸ * 3.310* 10⁻⁶ * 1.6* 10⁻¹⁹) = 20 / (4.403 * 10⁴) = 4.54 * 10⁻⁴ m/s

Thus, the drift velocity of electron is 4.54 * 10⁻⁴ m/s.

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Water rises inside a glass tube with a narrow diameter due to the phenomenon of capillary action.

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or in opposition to, external forces like gravity. In a glass tube with a narrow diameter, the attractive forces between the water molecules (cohesion) are stronger than the attractive forces between the water molecules and the glass surface (adhesion). As a result, the water molecules climb up the walls of the glass tube, creating a concave meniscus and causing the water level to rise.

The height to which water rises in a glass tube is dependent on the diameter of the tube, the surface tension of the liquid, and the angle of contact between the liquid and the tube. The smaller the diameter of the tube, the higher the water will rise due to increased surface tension and greater capillary forces.

Overall, capillary action is a fundamental principle in physics and has practical applications in many fields, including biology, chemistry, and engineering.

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The amount of force required to stop an object, based on the forces of inertia and momentum, varies according to speed, weight, and the distance between impact and stop.

Inertia is the tendency of an object to remain in motion unless acted upon by an outside force, while momentum is the product of an object's mass and velocity. The amount of force required to stop an object is proportional to its mass, velocity, and the distance it needs to travel before it comes to a stop. The greater the mass, velocity, and distance, the more force is required to stop the object.

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The 69.99999999916 years will pass in the car.

According to the theory of relativity, time slows down in a reference frame that is moving relative to a stationary observer. This effect is known as time dilation and becomes noticeable at relativistic velocities.

The formula for time delay is: t' = t / gamma

where t is the time interval measured in stationary frames (that is, frames in which the clock is not moving), t' is the time interval measured in frames moving relative to the clock, and gamma (symbol γ) is: Lorenz coefficient as a function of relative velocity between two frames.

In this case, the student is traveling at 55 miles per hour (approximately 0.0245% the speed of light). The Lorenz coefficient can be calculated as

Gamma = 1 / square (1 - v^2/c^2) = 1 / square (1 - 0.000245^2) = 1.000000000012

So every time he passes 1 second in the student's car, he passes 1.000000000012 seconds in the rest of the frame (i.e. the student's house). So to find out how much time goes by in 70 years for the rest of the car's system, we can multiply 70 years by the inverse of the Lorenz coefficient.

t' = t / gamma = 70 years / 1.000000000012 = 70 years * 0.999999999988 = 69.99999999916 years

His 70-year car elapsed time on the rest system is about 69.99999999916 years. This means that students will have to devote slightly less time than those who are at home for the same period. 

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Answer:

false

Explanation:

The statement "An orbiting satellite experiences no force due to the Earth's gravity." is a False statement. This is further explained below.

Generally, Gravity is simply defined as the force that pulls items toward the center of a planet or other entity.

In conclusion, an orbiting satellite experiences force due to the Earth's gravity.

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Answer:

I think the answer is D.)

Explanation:

If it means something needs to melt into liquid i would have gone with B.) or C.) but since it doesn't specifiy. I thought D.) since all you have to do is heat it and it melts or boils.

The direction of the acceleration of the car is westward. The correct answer is B.

Acceleration is the rate of change of velocity of an object with respect to time. It's a vector quantity that includes both magnitude and direction. Velocity is the derivative of position with respect to time, whereas acceleration is the derivative of velocity with respect to time. It's a physical quantity that can be expressed as a change in speed, direction, or both.

To solve this question, we need to consider that the car is traveling eastward and that its velocity is decreasing. As a result, the acceleration of the car is in the opposite direction of its velocity, which is westward. Therefore, the correct option is B) Westward.

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Answer:

0.015 seconds

Explanation:

5/330=0.015

Answer:

0.015 seconds

Explanation:

divide 5 m and 330 m/s to get 0.015 seconds.

The chi-square test assumes that the variables being analyzed are measured at a nominal or ordinal level of measurement.

In statistics, the level of measurement refers to the nature and properties of the data being collected. There are four levels of measurement: nominal, ordinal, interval, and ratio. Nominal and ordinal levels are considered categorical, while interval and ratio levels are considered numerical. The chi-square test is specifically designed for analyzing categorical data, where the observations can be classified into distinct categories or groups. It is used to determine whether there is a significant association or relationship between two categorical variables.

The test calculates the difference between the observed frequencies and the expected frequencies under the assumption of independence between the variables. It compares the observed and expected frequencies using a chi-square statistic and determines the p-value to assess the statistical significance of the association. Therefore, the chi-square test assumes that the variables being analyzed are measured at a nominal or ordinal level because it deals with categorical data and evaluates the relationship between different categories or groups.

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A type of identity that is almost impossible to achieve during adolescence is vocational identity.

This is because adolescents are still exploring their interests and abilities, and they may not have had enough exposure to different career options to make a confident decision about their future.

In addition, adolescents are often going through a lot of changes, both physically and emotionally. This can make it difficult to focus on the future and to make long-term plans. As a result, many adolescents end up changing their minds about their career goals several times before they finally settle on something.

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Answer:

Explanation:

Ruler. A steel ruler aids the measurement and layout of straight lines. The ruler, also called "straightedge" or "straight-edged ruler," is a long, thin strip of wood, metal or plastic marked with increments of measurement.

Measuring Tape. The modern measuring tape's roughly palm-sized casing contains a coiled strip of metal marked with increments of measurement. The metal strip, called "tape," attaches to a spring which automatically retracts the tape into the casing following use.

Walking Tape Measure. The walking tape measure, also called "surveyor's measure," records the distance traveled by a wheel. An operator pushes the measure's wheel, similar to a bicycle wheel, by a handle as an attached ticker box displays feet or meters in the same format as a car's odometer.

Laser Measure. The laser measure offers point and shoot distance measurement. In its most basic form, a laser measure is a hand-held electronic device with a digital display.

thats epic my guy jsjsjdjdjd

Answer:

false I think

Explanation:

Answer:

b

Explanation:

Answer:

it is a interspecific competition

Explanation:

i just took a test with this question