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Answer: Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. The balancing effect of supply and demand results in a state of equilibrium.

This is the answer please ap mujhe follow kar lo please

Answer:

for number 10

I can't see what needs to be calculated for the first question though

The true statement according to Newton's laws of motion is; "there is no net force on the block during the 2nd second as zero net force keeps the motion constant."

According to the Newton first law of motion, an object will continue in its state of rest or uniform motion unless it is acted upon by a net force. The action of a net force leads to an acceleration.

In the 2nd second of the journey, there is no net force on the block hence the block continues to move at constant velocity.

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Answer:

B

Explanation:

Answer:

B. C

Explanation:

took the test :V

The minimum uncertainty in the position of an electron, given a velocity of 68 m/s and an uncertainty in velocity of 1%, is approximately 2.45 x \(10^-^9\)meters.

According to the Heisenberg uncertainty principle, there is an inherent trade-off between the uncertainty in an object's position and its momentum. The product of the uncertainties in position (Δx) and momentum (Δp) must be greater than or equal to Planck's constant divided by 4π (h/4π).

Given:

Velocity of the electron (v) = 68 m/s

Uncertainty in velocity = 1% of v = 0.01 * 68 m/s = 0.68 m/s

Since momentum (p) is given by mass (m) multiplied by velocity (v), we can write:

p = m * v

Uncertainty in momentum (Δp) can be calculated using the uncertainty in velocity:

Δp = m * Δv

According to the Heisenberg uncertainty principle:

Δx * Δp ≥ h/4π

To find the minimum uncertainty in position (Δx), we need to determine the uncertainty in momentum (Δp) and solve for Δx.

Δp = m * Δv

Δp = m * 0.68 m/s

Substituting this into the uncertainty principle equation:

Δx * (m * 0.68 m/s) ≥ h/4π

We can rearrange the equation to solve for Δx:

Δx ≥ h / (4π * (m * 0.68 m/s))

Now, we need to substitute the values of Planck's constant (h) and the mass of an electron (m) into the equation. The mass of an electron is approximately 9.11 x \(10^-^3^1\)kg, and Planck's constant is approximately 6.63 x \(10^-^3^4\) J·s.

Δx ≥ (6.63 x\(10^-^3^4\)J·s) / (4π * (9.11 x \(10^-^3^1\) kg * 0.68 m/s))

Calculating the minimum uncertainty in position gives us:

Δx ≥ 2.45 x \(10^-^9\) m

Therefore, the minimum uncertainty in the electron's position is approximately 2.45 x \(10^-^9\) meters.

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Without a figure provided, it is impossible to give a specific answer to this question. The magnetic field at the position of the dot will depend on the specific configuration and placement of the magnetic sources in the figure.

In order to calculate the magnetic field at a specific point, we would need to know the magnetic properties of the sources, their orientation, and the distance between them and the point in question.

However, in general, the magnetic field at any point in space can be described as a vector quantity, with magnitude and direction. It is typically measured in units of tesla (T) or gauss (G). The direction of the magnetic field is given by the direction of the magnetic force on a positive test charge placed at that point, and the magnitude of the field is proportional to the strength of the force.

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The Young's Modulus of the wire of length 50 cm is 4.0×10⁵ N/m.

Young's modulus is a measure of the ability of a material to withstand changes in length when under lengthwise tension or compression.

To calculate the young's modulus of the wire, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the Young's Modulus is 4.0×10⁵ N/m.

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Answer:

The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. It is easier for us to take reading. It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.

Explanation:

Hope it is helpful....

Answer:

constriction is made in a clinical thermometer because it prevents the thermometric liquid from running back into the bulb.

True. Steroids, particularly anabolic steroids, have been shown to stimulate muscle cell nuclei (myonuclei) to produce mRNA (messenger RNA) that is then shuttled out of the nucleus.

Steroids, such as testosterone and its synthetic derivatives, exert their effects on muscle cells by binding to specific receptors within the cells. Once bound to these receptors, steroids can influence gene expression and protein synthesis processes within the nucleus of muscle cells.

One of the effects of steroid use is an increase in the production of mRNA, which carries the genetic instructions for protein synthesis. The produced mRNA is then transported out of the nucleus and into the cytoplasm, where it serves as a template for ribosomes to synthesize more contractile proteins.

These proteins are essential for muscle growth and contribute to the hypertrophy (increase in muscle size) observed with steroid use. It is important to note that the use of steroids for muscle enhancement is associated with various health risks and potential adverse effects.

Misuse or abuse of steroids can have serious consequences on both physical and mental health, and their use should be carefully considered under medical supervision.

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The acceleration of a car traveling at 2 m/s and increases its speed to 14 m/s in 4s is 3m/s².

The acceleration of a moving body is the amount by which a speed or velocity increases. It is the change in velocity with respect to time.

The acceleration of a moving body can be calculated using the following formula:

a = (v - u)/t

Where;

According to this question, a car is traveling at 2 m/s and increases its speed to 14 m/s in 4s. The acceleration can be calculated as follows:

a = (14 - 2)/4

a = 12/4

a = 3m/s²

Therefore, the acceleration of a car traveling at 2 m/s and increases its speed to 14 m/s in 4s is 3m/s².

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The determine the magnitude of the centripetal force acting on the car and driver, we can use the formula Fc = mv^2/r, where Fc is the centripetal force, m is the combined mass of the car and driver, v is the speed of the car, and r is the radius of the circular track.

The First, we need to convert the speed from Km/hr. to m/s by dividing 280 by 3.6, which gives us 77.78 m/s. Then, we can plug in the values into the formula: Fc = (820 kg) x (77.78 m/s) ^2 / (320 m). Simplifying this equation gives us a centripetal force of approximately 15,066 N. This means that the track is exerting a force of 15,066 N towards the center of the circular path, keeping the car and driver moving in a circular motion.  It is important to note that the determine the magnitude of the centripetal force increases as the speed or radius of the circular path increases. This force is also necessary for any object moving in a circular path, and without it, the object would move in a straight line instead.

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If you add a vector with a magnitude of 1 to a vector of magnitude 2, the possible magnitudes for the vector sum range from 1 to 3.

This is because of the triangle inequality theorem.The triangle inequality theorem states that the magnitude of the sum of two vectors is less than or equal to the sum of their magnitudes. In other words, if we have two vectors A and B, then the magnitude of their sum C is given by:

|C| ≤ |A| + |B|

If we have a vector of magnitude 1, we can call it vector A. If we have a vector of magnitude 2, we can call it vector B.

Then the magnitude of their sum, vector C, is given by:|C| = |A| + |B|.

Since |A| = 1 and |B| = 2, we can substitute those values into the equation: |C| = 1 + 2

|C| = 3

Therefore, the maximum magnitude of the vector sum is 3.

However, the minimum magnitude of the vector sum is found when the vectors are pointing in opposite directions.

In this case, the magnitude of the sum would be:

|C| = |B| - |A|

|C| = 2 - 1

|C| = 1.

Therefore, the possible magnitudes for the vector sum range from 1 to 3.

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Answer:

what do u want to ask ????

Answer: 55 degrees celsius

Explanation:

The measured temperature of the mixture of water was 50°C.

When two physical systems are connected by a heat-permeable path, they are in thermal equilibrium if there is no net flow of thermal energy between them.

The zeroth law of thermodynamics governs thermal equilibrium. A system is said to be in thermal equilibrium with itself if the temperature within it is uniform and constant over time.

Initial temperature of 100 mL of water is 20°C

and Initial temperature of 100 mL of water is 80°C

Let at thermal equilibrium, temperature of the mixture is t° C.

Hence, at thermal equilibrium,

100 mL × ρ × ( t - 20°C) × s = 100 mL × ρ × ( 80°C -t) × s

t - 20° C = 80°C -t

2t = 100°C

t = 50°C

Hence, the measured temperature of the mixture of water was 50°C.

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Answer:

4.    0.12mm

5:

a. screw gauge

b. caliper

Answer:

0.11 mm

vernier calipers

im not sure about the sure about B

Explanation:

Genes are the basic units of heredity. (Los genes son las unidades básicas de la herencia.)

A short stretch of ADN called a gene. The body's genes instruct it on how to produce particular proteins. About 20,000 genes are found in each human body cell. Together, they make up the genetic makeup of the human body and determine how it functions.

Fundamental unit of the inheritance from parents to children. The genes are constructed from ADN sequences and are arranged one after the other in certain locations within the chromosomal nuclei of cells.

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It would take 6416.8 kJ of heat to vaporize 1.22 kg of helium at its boiling point.

Helium is a chemical element with the symbol He and atomic number 2.

The amount of heat needed to vaporize a substance can be calculated using the formula:

Q = m * ΔHv

Where

For helium, the heat of vaporization is 21.1 kJ/mol at its boiling point of -268.9°C. The molar mass of helium is 4.003 g/mol.

To calculate the amount of heat needed to vaporize 1.22 kg of helium, we first need to convert the mass to moles:

1.22 kg He * (1000 g / 1 kg) * (1 mol / 4.003 g) = 304.4 mol He

Then, we can use the formula to calculate the amount of heat needed:

Q = m * ΔHv = 304.4 mol * 21.1 kJ/mol = 6416.8 kJ

Therefore, it would take 6416.8 kJ of heat to vaporize 1.22 kg of helium at its boiling point.

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Answer:

The answer is near 8 trillion

Explanation:

I hope this helps

Answer:

    flow of electron is just opposite to the flow for current. Electrons flow from the negative terminal to the positive. Conventional current or simply current, behaves as if positive charge carriers cause current flow. Conventional current flows from the positive terminal to the negative.

Answer:

well i'm not sure if which unit of measure you need but i think its 86.49 meters  tall.

Answer:

C.

Explanation:

""""""" Twice,Half """"""

A big wheel with twice the circumference of a small wheel will rotate with the force and the speed of the small wheel.

C) twice, half

A big wheel with twice the circumference of a small wheel will rotate with twice the force and half the speed of the small wheel.

It is the round circle found on the outside angle of the machine.

It is the adjusted barrel or rod-like portion put on the interior of the machine that's connected to the wheel and makes a difference to advance development.

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The maximum height reached by the brick above the ground is 20 ft. The time taken by the brick to reach the ground is 0 seconds. Free-fall motion (uniformly accelerated motion) after falling from a height of 20 feet. Further, the acceleration experienced by the free brick is equal to the acceleration due to gravity which is approximately 32ft/sec², downward.

Hence, we can write its acceleration as, a = g = 32ft/sec².

Here, u = 0 as the brick was not moving initially while it was at rest on the top of the load of bricks.

Now, the value of v(t) can be obtained by integrating the above expression w.r.t. time as shown below:v(t) = u + a.t = 0 + 32t = 32t ...(1)

The value of x(t) can be obtained by integrating the expression for v(t) w.r.t. time, i.e. t as shown below :x(t) = (1/2).a.t² + u.t + x₀ = (1/2).32t² + 0 + 20ft = 16t² + 20ft ...(2)

Here, x₀ = 20ft is the initial displacement of the brick above the ground.

Now, we can answer the questions as follows:

(a) Using  the following relation: v = u + a.t = 0 when the brick is at its highest point.

Hence, the time taken to reach this point can be obtained as follows:0 = u + a.t ⇒ t = (-u/a) = (0/32) sec = 0 secThis means that the brick reaches its maximum height at t = 0 sec, which is the initial moment.

Thus, the maximum height reached by the brick above the ground is, x(0) = 16.0² + 20 = 20 ft

(b) The time taken by the brick to reach the ground can be obtained by using the following relation: x(t) = 0.

Here, we are interested in finding the value of t.

Hence, we can substitute x(t) from equation (2) above and equate it to 0 to obtain the value of t as shown below:16t² + 20 = 0 ⇒ t² = -(20/16) sec².

This means that the brick doesn't take any finite time to reach the ground from its maximum height.

This is because it falls vertically downwards from a height of 20 ft under the action of gravity.

Thus, it reaches the ground at t = 0 sec only.

(c) The speed of the brick just before it hits the ground can be obtained by using the expression for v(t) from equation (1) above and substituting t = 0 sec (just before it hits the ground) as shown below:

v(0) = 32(0) = 0 ft/sec.

Hence, the speed of the brick just before it hits the ground is 0 ft/sec.

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Answer:D

Explanation:

The force of gravity from Mars will pull on the space probe the same amount no matter how far away it is​, so option D is correct.

All material objects in the universe are subject to the force of gravity, also known as gravitation. The force of gravity tends to draw any two non-zero mass objects or particles toward one another. Subatomic particles and galaxy clusters are both affected by gravity, as are objects of all sizes.

Due to the law of gravity, or gravitation, which draws all objects with mass in its vicinity toward it, Mars' gravitation is a natural occurrence. Due to the planet's lesser mass, its gravity is weaker than that of Earth. On Mars, the gravitational acceleration fluctuates, but on average it is 3.72076 m/ s² (or around 38% of Earth's).

Therefore, the force of gravity from Mars will pull on the space probe the same amount no matter how far away it is​.

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Answer:

golf

Explanation:

it's less physical strength in more of you hitting the ball with whatever the stick is called

Fundamental parts of a typical diagnostic X-ray tube include an anode, cathode, and vacuum glass envelope. The correct option is (B) I and II only.

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Answer:

no more fire duhh

Explanation:

Answer:

The fuel has ran out

Explanation:

Fuel could be Wood,cloth those are longer ones, theres also short term fuel sources such as gasoline, Cloth and wood are the most common for torches usually combined with alcohol, So either No more oxygen which is not likely, or the fuel source is running out

The atom is the smallest part of a substance that can take part in a chemical reaction.

The atom is the smallest part of a substance that can take part in a chemical reaction. Let us now address the atoms individually.

Oxygen;

Mass number = 16

Atomic number = 8

Number of protons = 8

Number of electrons - 13

Number of neutrons = 16 -8 = 8

Helium

Mass number = 4

Atomic number = 2

Number of protons = 2

Number of electrons - 13

Number of neutrons = 4 -2 = 2

Carbon

Mass number = 12

Atomic number = 6

Number of protons = 6

Number of electrons - 6

Number of neutrons = 12 - 6 = 6

Aluminum

Mass number = 27

Atomic number = 13

Number of protons = 13

Number of electrons - 13

Number of neutrons =27 - 13 = 14

Calcium

Mass number = 40

Atomic number = 20

Number of protons = 20

Number of electrons - 20

Number of neutrons =40 - 20=20

Sodium

Mass number = 23

Atomic number = 11

Number of protons = 11

Number of electrons - 11

Number of neutrons =23 - 11 = 12

Potassium

Mass number = 39

Atomic number = 19

Number of protons = 19

Number of electrons - 19

Number of neutrons =39 - 19 = 10

Nitrogen

Mass number = 14

Atomic number = 7

Number of protons = 17

Number of electrons - 7

Number of neutrons =14 - 7 = 7

Silicon

Mass number = 28

Atomic number = 14

Number of protons = 14

Number of electrons - 14

Number of neutrons =28 - 14 = 14

Iron

Mass number = 56

Atomic number = 26

Number of protons = 26

Number of electrons - 26

Number of neutrons =56 - 26 = 30

Hydrogen

Mass number = 2

Atomic number = 1

Number of protons = 1

Number of electrons - 1

Number of neutrons =2 - 1 = 1

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The difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air will be 0.09 sec.

A sound wave is produced when a medium begins to vibrate. When an entity vibrates, a pressure wave is formed, which causes sound.

Given data;

The speed of sound in wood,u= 3300 m/s

The speed of sound in air,v=330 m/sec

long plank of wood, L=33 m

The time period in the air was found as;

T₁ = 33 m / 330 m/sec

T₁= 0.1 sec

The time period in wood ;

T₂= 33 m / 3300 m/sec

T₂=0.01 sec

T = T₁ - T₂

T=0.1-0.01

T=0.09 sec

Hence, the difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air will be 0.09 sec.

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