The solubility of co2 in soda when the soda is canned under a pressure of 4.5 atm will:_________

Answer:

physical

Explanation:

The conduction velocity of the axon is 0.4 m/s.

Conductive velocity = Distance / Time

= 20 cm / 50 milliseconds

= 0.4 m/s

The conduction velocity of an axon is determined by its diameter and its degree of myelination. Myelin is a fatty sheath that surrounds axons and helps to insulate them, which speeds up the conduction of action potentials.

Unmyelinated axons have a conduction velocity of about 0.5 to 10 m/s, while myelinated axons can have a conduction velocity of up to 150 m/s.

The conduction velocity of axons is important for the nervous system to function properly. It determines how quickly signals can travel from one part of the body to another.

For example, the conduction velocity of axons in the spinal cord determines how quickly pain signals can travel from the skin to the brain.

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Answer:

professional communication style is expected to be formal while the casual is informal.

Explanation:

Answer:

I'm not that busy solving but I'll tell you the formula that Force x distance is equal to work done

The work is done on a pumpkin when we lift it by 15 m with 24 N is 360 J

Work done is the amount energy gained (loosed) in bringing the body from initial position to final position. It is denoted by W and its SI unit is joule(J).  

i.e. Work(W) is force(F) times displacement(s).

W=F× s

When a body is displaced with 1 newton of force by 1 m, then we can say that work has been done on the body by 1 joule.

Writing for it's dimension,

W=F× s

Force has dimension [L¹ M¹ T²]

Displacement has dimension [L¹]

multiplying both the dimensions Force and Displacement  

we get,

dimension of Work [L² M¹ T²]

According to newton's second law of motion,

Force(F) is mass(M) times acceleration(a).

i.e. F=ma

Given,

Force = 24 N

Displacement = 15 m

W=F.s= 24*15 = 360 J

Hence work done on pumpkin is 360 J

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Given :- A resistor of 150 ohm, hence Resistance (R) = 150 ohm

Potential Difference (v) = 24 V

Current (I) = ?

V = IR

24 = I × 150

I = 24/150

I = 0.16 ampere

hope it helps!

Answer:

False

Explanation:

https://study.com/academy/lesson/the-global-wind-patterns-of-the-three-wind-belts.html

Explanation:

a) Velocity and acceleration of a car are parallel when the car is moving along a straight line in the same direction. For example, when a car is gaining speed as it moves forward in a straight line, both velocity and acceleration are directed in the same direction.

b) Velocity and acceleration of a car are anti-parallel when the car is moving along a straight line in the opposite direction. For example, when a car slows down while moving in a straight line, its acceleration is directed opposite to the direction of its velocity, or the other way around.

Answer:

a)

There is only one case where velocity and acceleration are parallel only when they are moving in the same direction.

b)

There are 3 cases where velocity and acceleration are antiparallel.

(i) When both are moving in different direction

   It means :

(ii) When the object is slowing down, where velocity and acceleration are in the opposite direction.

(iii) In case of motion reversal.

Explanation:

Answer:

Sport lowers high blood pressure, Keeps cholesterol level right. Blood circulation in the body is relatively high during play, so nutrients can go to all parts of the body. Moreover, white blood cells increase during play that increases the body’s immunity power. That’s why sports is important in our life.

Explanation:

yes

The Earth's rotation produces an outward centrifugal force that is greater at equatorial latitudes than at polar latitudes.

The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is acceleration.

The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g. It is a vector quantity whose strength or magnitude is determined by the norm and whose direction correlates with a plumb bob.

The Earth's rotation produces an outward centrifugal force that is greater at equatorial latitudes than at polar latitudes. This lowers the apparent downward acceleration of falling objects by somewhat counteracting the Earth's gravity, up to a maximum of 0.3% at the Equator.

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the answer is speaker it transform electrical energy into sound energy

Answer:

Lightbulb.

Electric stove element.

Electric space heater.

lightning but it's not a device

Explanation:

Lightning converts electrical energy into light, heat and sound energy

Answer:

B, the car travels around a circular track at 30 m.

Explanation:

to find the modulus of elasticity MoE at 23% of moisture content based on the already given modulus of elasticity of 12% moisture content we need to consider a shrinkage behavior of material. the expected MoE comes out to be approximately \(6,836 N/mm².\)

given information:

Modulus of elasticity at 12% moisture content =7,920 N/mm²

resultant shrinkage or final shrinkage percentage FSP = 30%

To calculate the expected MoE at 23% moisture content we have the following equation:

MoE-23% =   \(MoE-12%\) \((1 - FSP (23 - 12) / (100 - 12))\)

MoE-23% = \(7,920 N/mm² × (1 - 0.30 × (23 - 12) / (100 - 12))\)

MoE-23% =\(7,920 N/mm² × (1 - 0.30 × 11 / 88)\)

MoE-23% = \(7,920 N/mm² × (1 - 0.1364)\)

MoE-23% = \(7,920 N/mm² × 0.8636\)

MoE-23% =  \(6,836 N/mm²\)

therefore the expected modulus of elasticity at 23% moisture content comes out to be approx \(6,836 N/mm²\).

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The unknown particle(s) X in the given equation for fission ²³⁴U₉₂ → ¹³³Sb₅₁ + ⁹⁸Nb₄₁ + X is 4 He.

Fission is a nuclear reaction that occurs when the nucleus of an atom splits into two or smaller nuclei, resulting in a release of a significant amount of energy. Nuclear fission is caused by the impact of a high-energy neutron on a target nucleus. When the target nucleus captures the neutron, it becomes unstable and splits into two smaller nuclei, releasing energy and additional neutrons that can cause fission to occur in other atoms.

The unknown particle(s) X in the given equation for fission ²³⁴U₉₂ → ¹³³Sb₅₁ + ⁹⁸Nb₄₁ + X is 4 He.

Therefore, the balanced equation is: ²³⁴U₉₂ → ¹³³Sb₅₁ + ⁹⁸Nb₄₁ + X is 4 He

This equation can also be written in the form of a nuclear equation as:

²³⁴U₉₂ → ¹³³Sb₅₁ + ⁹⁸Nb₄₁ + ⁴He₂

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The accurate title for the graph is; "A graph of distance against time" and the scale on the x axis is 2cm:1 unit while the scale on the y axis is 2cm: 5 units.

The term scale has to do with the way that we can be able to represent information on paper. It is common that the information that we are trying to depict is too large that we can not easily show the information on paper. This is why we need a graph so that it can be compressed and still be readable by all.

In this case, we are being asked to get a good title for the graph and also to suggest a scale that would be very good for us to be able to present the information and make it intelligible. We must consider the magnitude pf the data so as to do this.

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The negative value for Kmax indicates that the electron is bound to the tungsten surface and cannot be ejected. The speed of the fastest electrons ejected from a tungsten surface \($K_{max} = -6.08 \times 10^{-19} \text{ J}$\).

When light with photon energy greater than or equal to the work function of a metal surface shines on it, electrons can be ejected from the surface. The maximum kinetic energy of the ejected electrons is given by the difference between the photon energy and the work function, and can be calculated using the equation:

Kmax = hν - φ

where Kmax is the maximum kinetic energy of the ejected electrons, h is Planck's constant, ν is the frequency of the incident light, and φ is the work function of the metal.

In this case, the photon energy of the incident light is 5.99 eV, which is greater than the work function of tungsten, which is 4.50 eV. Therefore, electrons can be ejected from the tungsten surface, and the maximum kinetic energy of the ejected electrons can be calculated as follows:

\($K_{max} = (6.626 \times 10^{-34} \text{ J s}) \times (4.53 \times 10^{14} \text{ Hz}) - (4.50 \text{ eV} \times 1.602 \times 10^{-19} \text{ J/eV})$\)

\($K_{max} = 1.13 \times 10^{-19} \text{ J} - 7.21 \times 10^{-19} \text{ J}$\)

\($K_{max} = -6.08 \times 10^{-19} \text{ J}$\)

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The speed of the plane is 32.519 m/s

Given radius of satellite orbit is \(r_{1} = 8.75\) × \(10^{6} m\)

Also, Orbital velocity is given by

\(v = \sqrt{\frac{GM}{r} }\)

where M is the mass of the earth which is equal to \(5.98\) × \(10^{24}\) kg

G = \(6.67\) × \(10^{-11}\)

\(v = \sqrt{\frac{(6.67 * 10^{-11} )(5.98*10^{24}) }{8.75 * 10^{6} } }\)

\(v=21.35\) × \(10^{3}\) m/s

Centripetal acceleration is given as

\(a_{c} = \frac{v^{2} }{r}\)

\(a_{c} = \frac{(21.35 * 10^{3} )^{2} }{8.75 * 10^{6} }\)

\(a_{c} = 52.094 m/s^{2}\)

For model airplane

\(a_{c} = \frac{v^{2} }{r}\)

\(52.094 = \frac{v^{2} }{20.3}\)

v = 32.519 m/s

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Answer:

No

Explanation:

It doesn't depend on the density

Answer:No. If you take all your masses and and squeeze them into a tiny volume,

To find the Fourier series representation of the periodic function v(t) defined by v(t) = 6(t - 2n)[u(t - 2n) - u(t - 2n - 2)], where n belongs to the natural numbers and v(t) is zero for t < 0, we can use the following steps:

Determine the fundamental period of v(t): In this case, the function v(t) has a period of 2. This means that v(t) repeats itself every 2 units of time.

Express v(t) as an odd periodic function: We can rewrite v(t) as v(t) = 6(t - 2n)[u(t - 2n) - u(t - 2n - 2)] = 6(t - 2n)u(t - 2n) - 6(t - 2n)u(t - 2n - 2). Since u(t) is the unit step function, u(t) - u(-t) is an odd function.

Calculate the Fourier series coefficients: For an odd periodic function, the Fourier series coefficients can be obtained using the formula:

cn = (1/T) * ∫[0 to T] v(t) * sin((2πn/T)t) dt

Since the fundamental period T is 2 in this case, the coefficients can be calculated as:

cn = (1/2) * ∫[0 to 2] v(t) * sin((2πn/2)t) dt

= (1/2) * ∫[0 to 2] v(t) * sin(πnt) dt

We need to evaluate this integral separately for the two terms of v(t).

For the first term, 6(t - 2n)u(t - 2n), the integral will be non-zero only when t is in the range [2n, 2n + 2]. Thus, the integral can be written as:

cn1 = (1/2) * ∫[2n to 2n+2] 6(t - 2n) * sin(πnt) dt

Similarly, for the second term, 6(t - 2n)u(t - 2n - 2), the integral will be non-zero only when t is in the range [2n+2, 2n + 4]. Thus, the integral can be written as:

cn2 = (1/2) * ∫[2n+2 to 2n+4] 6(t - 2n) * sin(πnt) dt

Finally, the Fourier series representation of v(t) can be written as:

v(t) = ∑[n = -∞ to +∞] (cn1 - cn2) * sin(πnt)

Note that the actual calculations of the Fourier series coefficients require evaluating the integrals, which may result in specific values depending on the value of n.

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Answer:

Yes

Explanation:

Displacement is equal to the final position of X minus the initial position of X.

Answer:

deuterium, helium and lithium

Explanation:

Big Bang nucleosynthesis is defined as the production of nuclei other than Hydrogen during the early phases of the universe but shortly after the occurrence of the Big Bang.

Now, the other nuclei formed are usually the elements deuterium, helium and lithium or their corresponding isotopes.

The magnitude of man's displacement at the given initial position and final position is 16.28 km.

The displacement of the man is the shortest distance between the final position and the initial position. It can also be described as the change in the position of the man.

The magnitude of the man's displacement is calculated as follows;

d² = 11² + 12²

d² = 265

d = √265

d = 16.28 km

Thus, the magnitude of man's displacement at the given initial position and final position is 16.28 km.

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Let the ball at the ground be A and that at the top be B.

Assume that you see the motion of A while sitting at B.

You(B) are obviously at rest w.r.t. yourselves. However you(B) and A have the same acceleration in the same direction. Thus acceleration of A w.r.t. you(B) is 0.

Thus, to you, it will appear as if A is travelling towards you with an uniform speed of 20m/s.

Dividing the distance 20m with that speed, we get that A reaches you(B) in 1s.

Now, you have considered these motions and time by assuming you were stationed at B. However, the time taken for A to meet B shouldn't be dependent on which reference frame you assume. Thus, time taken for A and B to collide is 1s.

Since B falls freely, he covers a distance of  1/2(g)(1²)=5  (assuming g = 10m/s²)

Thus, they meet at a height of (20–5)m = 15m from the ground.

Answer:

F1 = K Q Q / R^2

F2 = K 2Q * 2Q / (2 R)^2 = K 4 Q^2 / (4 R^2) =  K Q^2 / R^2

F1 = F2 and (e) is  the correct answer

The force between the two charges will be the same, so the new force is the same. Hence, option (e) is correct.

When put in an electromagnetic field, charged matter experiences a force due to the fundamental property of electric charge. Positive or negative electrical ions are possible. When two charges are in opposition to one another, they repel one another.

The term "neutral" refers to an object that has no net charge. The early understanding of the way charged particles interact is now referred to as classical electrodynamics, and it is still true for issues that do not demand taking into account quant phenomena.

As per the given data provided in the question,

F(1) = K (Q)(Q) / R²

After applying the given condition in the question,

F(2) = K (2Q) × (2Q) / (2 R)²

= K 4 Q² / (4 R²)

F(2) =  K Q²/ R²

Which means that F1 = F2.

Therefore, it concludes that option (e) is correct.

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A goldfish swims in a bowl of water at 20°C over a period of time, fish transfer 120j to the water as a result of its metabolism, the change in entropy of the water is 0.409 J/K.

In other words, the increase in disorganization within a system is what is referred to as entropy, which is defined as the measurement of degree of randomness. Entropy is a unitary measure of the amount of thermal energy in a system that cannot be used to carry out useful work. The quantity of entropy is also a gauge of a system's molecular disorder, or randomness, as work is produced by ordered molecular motion.

change in entropy = dQ / T

change in entropy = 120 / (273 + 20 ) = 0.409 J/K.

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Answer:

a. 0.199 ms b. 5.03 kHz c. 0.1 mJ

Explanation:

a. The period of oscillation of an L-C circuit is T = 2π√(LC) where L = inductance = 20 mH = 20 × 10⁻³ H and C = capacitance = 0.005 mF = 5 × 10⁻⁶ F.

So, T = 2π√(LC)

= 2π√(20 × 10⁻³ H × 5 × 10⁻⁶ F)

= 2π√(100 × 10⁻¹¹)

= 2π√(10 × 10⁻¹⁰)

= 2π(3.16 × 10⁻⁵)

= 19.87 × 10⁻⁵

= 1.987 × 10⁻⁴ s

= 1.99 × 10⁻⁴ s

= 0.199 × 10⁻³ s

= 0.199 ms

b. frequency , f = 1/T where T = period = 0.199 × 10⁻³ s.

So, f = 1/0.199 × 10⁻³ s

= 5.03 × 10³ Hz

= 5.03 kHz

c. The electromagnetic energy E = 1/2Li² where L = inductance = 20 × 10⁻³ H and i = current = 100 mA = 0.1 A

So, E = 1/2Li²

= 1/2 × 20 × 10⁻³ H × (0.1 A)²

= 0.1 × 10⁻³ J

= 0.1 mJ

The coefficient of kinetic friction between your tires and the icy road is approximately 0.16.

To find the coefficient of kinetic friction, we can use the equation for the force of friction, which is given by the product of the coefficient of friction and the normal force. In this case, the normal force is equal to the car's weight, which can be calculated as the mass of the car multiplied by the acceleration due to gravity (9.8 m/s²).

The force of friction can also be expressed as the product of the coefficient of friction and the car's weight. Since the car is skidding and the tires are locked, the force of friction is the only force acting to stop the car. Using the equation for force (force = mass × acceleration), we can set up the equation as follows:

force of friction = mass × acceleration

The acceleration can be determined using the formula for uniformly accelerated motion:

acceleration = (final velocity² - initial velocity²) / (2 × distance)

Plugging in the given values, we have:

acceleration = (0 m/s - (14.0 m/s)²) / (2 × 25.0 m) = -7.84 m/s²

Since the acceleration is negative, indicating deceleration, the force of friction is in the positive direction. We can rearrange the force equation to solve for the coefficient of friction:

coefficient of friction = force of friction / weight

Plugging in the known values, we get:

coefficient of friction = (mass × acceleration) / (mass × 9.8 m/s²)

= acceleration / 9.8 m/s²

= -7.84 m/s² / 9.8 m/s² = 0.16

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