What is the acceleration of a vehicle that changes its velocity from 100 km/h to a dead stop in 30 s ? Answer in units of m/s 2 .

Answer:

Forms over water, warm humid air mass, it's a polar air mass

Explanation: I think that's right sorry if it's not..

GL! :)

Small particles of organic material are called c. detritus.

Small particles of organic material are called detritus. Detritus consists of dead plant and animal material that has broken down into smaller particles such as animal waste, leaves, fallen branches which are broken down by decomposers such as bacteria and fungi. It is an important source of nutrients for many organisms in aquatic and terrestrial ecosystems.

Option a, discharge, refers to the release of a substance, such as wastewater, into the environment. Option b, peat, is a type of soil made up of partially decomposed plant material. Option d, brackish, refers to water that is a mix of freshwater and saltwater. Therefore, the best answer from the choices provided is c. detritus.

Learn more about decomposers at:

https://brainly.com/question/380333

#SPJ11

Answer:

Electricity is the flow of electrons, because electrons pass from atom to atom.

This is an exercise in Rectilinear Uniformly Varied Motion (MRUV) is a type of motion in which an object moves in a straight line and experiences changes in its velocity at a constant rate. In this type of motion, the acceleration of the object remains constant over time.

The distinctive feature of the MRUV is that the velocity of the object changes uniformly, that is, its velocity increases or decreases by a constant amount in each unit of time. If the object experiences a positive acceleration, its velocity increases with time. On the other hand, if the object experiences a negative acceleration, its speed decreases.

In an MRUV, constant acceleration has a direct impact on displacement and the time it takes for the object to reach a certain speed. Also, the direction of the acceleration determines whether the object is accelerating or decelerating relative to its initial motion.

This type of movement is found in various situations of daily life, such as the launch of an object upwards and its subsequent fall, the movement of cars on a road with acceleration or braking, or even the study of bodies in free fall.

Vf = V₀ + a × t

Where:

In this case, the initial velocity (vi) is 1 m/s, the acceleration (a) is -1 m/s^2 (negative because it indicates deceleration), and the time (t) is 4 seconds.

Substituting these values into the formula, we get:

Vf = V₀ + a × t

Vf = 1 m/s + (-1 m/s²) × 4 s

Vf = 1 m/s - 4 m/s

Vf = -3 m/s

Answer:

\(a)uf = 205 + 35 - 11 \\ = 240 - 11 \\ = 229j \\ b)q(heat \: transferd) = 229 - 205 - 11 \\ = 24 - 11 \\ = 13j \\ thank \: you\)

The heat transferred is

a) u f = 205+35-11

      =240-11

      = 229 j

b) q (heat transferred ) = 223-205-11

   = 24-11

   = 13 j

While a thermodynamic gadget passes thru an exchange in the state, a succession of states exceeded could be termed as a course of the device or direction of an alternate country. If the route of change of kingdom is completely distinctive, route of alternate of the nation may be termed as thermodynamic manner.

The technique is described via a direction, which is the non-stop collection of consecutive states via which the machine passes, consisting of the initial nation, the intermediate states, and the very last state. The process has a course along the course.

An asset whose price would not depend upon the course taken to attain that unique price is thought to as kingdom capabilities or point features. In contrast, those capabilities which do depend upon the direction from points are referred to as course features.

Learn more about thermodynamic path here: https://brainly.com/question/13433151

#SPJ2

Answer:

no

Explanation:

ans should be correct

For (a), the minimum value of n for a hydrogen atom to be ionized by a photon with an energy of 1.99 eV is not possible. For (b), speed of the electron released from the state is 8.366 × 10^5 km/s.

(a) The minimum n for a hydrogen atom to be ionized by a photon can be found using the formula: E = -13.6 eV / n^2

where E is the energy of the absorbed photon. Rearranging the equation to solve for n, we have:

n = sqrt(-13.6 eV / E)

Substituting the values E = 1.99 eV into the equation, we get:

n = sqrt(-13.6 eV / 1.99 eV) ≈ sqrt(-6.834)

Since the value under the square root is negative, it implies that there is no integer solution for n. Therefore, there is no minimum value of n for a hydrogen atom to be ionized by a photon with an energy of 1.99 eV.

(b) When the electron is far from the nucleus, it can be considered to have escaped from the atom's influence and its energy can be approximated as kinetic energy. The kinetic energy of the electron can be calculated using the equation:

KE = E - |E_final|

where E is the energy of the absorbed photon and E_final is the energy of the electron when it is far from the nucleus.

Substituting the values E = 1.99 eV into the equation, we have:

KE = 1.99 eV - 0 eV = 1.99 eV

To find the speed of the electron, we can use the equation:

KE = (1/2)mv^2

where m is the mass of the electron and v is its velocity. Rearranging the equation to solve for v, we have:

v = sqrt((2KE) / m)

Substituting the values KE = 1.99 eV and the mass of the electron m = 9.10938356 × 10^-31 kg, we can calculate the speed of the electron.

that is, v = 8.366 × 10^5 km/s

The minimum value of n for a hydrogen atom to be ionized by a photon with an energy of 1.99 eV is not possible. The speed of the electron released from the atom when it is far from the nucleus can be calculated using the given energy of the photon and the mass of the electron.

To know more about Hydrogen, visit

https://brainly.com/question/14287666

#SPJ11

Answer:

Conductors of electricity?

The Answer is C metal :)

xXxAnimexXx

Answer: The answer is The maximum temperature is 172°C

Explanation:

Mixed wave frequencies presented together produce a phenomenon called interference, which can result in either constructive or destructive interference, depending on the alignment of the waves' phases.

Mixed wave frequencies presented together can produce interference patterns that can either amplify or cancel out certain frequencies. This is known as the principle of superposition. The resulting pattern is determined by the amplitude and phase of each wave. This phenomenon can be observed in a variety of natural phenomena, such as sound waves and light waves. In the case of sound waves, interference can lead to the creation of beats or harmonics, while in the case of light waves, interference can produce colorful patterns such as those seen in soap bubbles or oil slicks.
To know more about properties of sound waves, click here:-

https://brainly.com/question/8845912

#SPJ11

Answer:

yes it does exert a force, it pushes it up

Explanation:

this is called normal force

if it didn't exert a force the book would keep going down

according to newton every force has an equal amd opposite reaction

so the book exerts a force on the table and vice versa

hope this helped

I= V/R

R= V/I these are the other two quantities

Answer:

When the  water is frozen it turns to ice and the density decreases.

Explanation:

Have A Wonderful Day !!

The voltage drops will have the ratio of 2 : 1

Assuming the loads have the same power factor, the voltage drop will be proportional to the load impedance. The loads have a ratio of 8 : 4, 2 : 1, so the voltage drops will have a ratio of 2 : 1

Voltage drop is the reduction in electrical potential along an electrical current's path in a circuit. Because some of the energy supplied is lost, voltage drops in the source's internal resistance, across conductors, across contacts, and across connectors are undesirable.

Learn more about Voltage here:

https://brainly.com/question/1176850

#SPJ4

Answer:

The answer is never

Explanation:

If 2 balanced forces are pushing on it then the speed will not change

a).  frequency = (speed) / (wavelength)

The speed of light is around 3 x 10⁸ m/s.

For 380 nm (violet light), frequency = (3 x 10⁸ m/s) / (380 x 10⁻⁹ m)

Frequency = 7.89 x 10¹⁴ Hz

For 760 nm (red light), frequency = (3 x 10⁸ m/s) / (760 x 10⁻⁹/s)

Frequency = 3.94 x 10¹⁴ Hz

The ratio is 2 .

That's 1 octave, or 0.3 of a decade.

b).  The ratio of highest/lowest sounds is (20,000 Hz/20 Hz) = 1,000

That's 3 decades, or about 10 octaves.

===> Speaking logarithmically ( ! ), ears are sensitive to a range of sound frequencies that's 10 times as wide as the range of light frequencies that eyes can detect.

The quantitative expression for the thermal equilibrium concentration of particles and anti particles in the A + A  → 0 reaction. It can also be written as

n  \(= \sqrt{((Mc^2 - A)/(2kV))}\) .

In thermal equilibrium, the rate of particle-anti particle extinction.(A + A → 0) must equal the rate of production (0 → A + A). This means that the concentration of particles (n) and the concentration of anti particles (n*) must be related by the equation.

Relation is provided below:

k₁ n² = k₂ n*²

where k₁ and k₂ are the reaction rate constants for the extinction of reactant and production reactions, respectively. In thermal equilibrium, these rate constants must be equal, so we can set k₁= k₂ = k.

Now, since we are dealing with particles of spin 1/2, the total number of particles is conserved modulous 2. This means that if there are N particles of type A present, there must also be N anti particles of type  A present, and vice versa. Therefore, we can write:

n = n* = \(\frac{N}{V}\)

where N is the total number of particles of type A  and V is the volume of the system.

Using this expression for n in the equation for thermal equilibrium, we get:

\(k (N/V)^2 = k (N/V)^2\)

which is satisfied for any value of N and V. However, the physical constraint is that the total energy of the system must be conserved. In this case, the minimum energy release when A combines with A to form 0 is A. Thus, the total energy of the system with N particles and N anti particles is given by:

\(E = N(Mc^2 - A)\)

where \(Mc^2\) is the rest mass energy of a single particle and A is the minimum energy release in the reaction.

In thermal equilibrium, the system must be at the lowest possible energy state. This means that the concentration of particles and anti particles must be such that the total energy E is minimized. Taking the derivative of E with respect to N and setting it to zero, we get:

\(dE/dN = Mc^2 - A - 2k(N/V)^2 = 0\)

Solving for N/V, we get:

\(N/V = \sqrt{((Mc^2 - A)/(2k))}\)

Substituting our expression for n = n*= N/V, we get:

n  \(= \sqrt{((Mc^2 - A)/(2kV))}\)

This is the quantitative expression for the thermal equilibrium concentration of particles and anti particles in the A + A → 0 reaction.

To know more about the thermal equilibrium concentration

https://brainly.com/question/19339455

#SPJ4

If you tend to be absent-minded, the theory of forgetting that is probably to blame is the Encoding Failure Theory. According to this theory, forgetting occurs when information is not properly encoded or stored in memory. In other words, if you are absent-minded and have trouble remembering things, it is likely because you did not pay enough attention to the information in the first place.

Encoding is the process of transforming sensory input into a form that can be stored in memory. If information is not attended to and processed deeply, it will not be encoded properly, leading to difficulties in retrieval and remembering. Therefore, if you tend to be absent-minded, it is essential to ensure that you are paying adequate attention to the information you want to remember.

Furthermore, it is important to note that factors such as stress, sleep deprivation, and lack of concentration can also contribute to encoding failure and forgetfulness. Thus, practicing good study habits, getting enough rest, and reducing stress can improve memory encoding and help reduce forgetfulness.

TO KNOW MORE ABOUT absent-minded CLICK THIS LINK -

brainly.com/question/15832712

#SPJ11

The meterstick will balance at 50 cm.

Mass of the first block, m₁ = 4 g

Mass of the second block, m₂ = 10 g

Distance of second block from the centre of mass, r₂ = 20 cm

According to the principle of moments,

When a body is balanced, the total clockwise moment around a point equals the total anticlockwise moment around the same point. Moment is defined as the product of force and the perpendicular distance.

So, m₁gr₁ = m₂gr₂

m₁r₁ = m₂r₂

Therefore, the distance of the first block from the centre of mass,

r₁ = m₂r₂/m₁

r₁ = 10 x 20/4

r₁ = 200/4

r₁ = 50 cm

To learn more about principle of moments, click:

https://brainly.com/question/26117248

#SPJ1

the work done in moving a charge of 2.5 μC a distance of 33 cm along an equipotential at 12 V is 30 μJ (microjoules).

The work done (W) in moving a charge along an equipotential can be calculated using the formula: W = q * ΔV

Where:

W is the work done,

q is the charge, and

ΔV is the change in potential.

Given:q = 2.5 μC (convert to coulombs: 2.5 μC * 10^(-6) C/μC = 2.5 * 10^(-6) C)

ΔV = 12 V

(Note: Joules = Coulombs * Volts)
Substituting the values into the formula: W = (2.5 * 10^(-6) C) * (12 V)

Calculating the result:  W = 30 * 10^(-6) J.
Therefore, the work done in moving a charge of 2.5 μC a distance of 33 cm along an equipotential at 12 V is 30 μJ (microjoules).

To learn more about work done:

https://brainly.com/question/3902440

#SPJ11

Answer:

0.65 seconds

2.07m

Explanation:

Here we need to look at the vertical and the horizontal components of the initial velocity.

In terms of his hitting the water.

Define the upwards direction as positive

We know his initial upwards velocity (u) is 4.5sin(45)

His displacement (s) when he hits the water is zero

Acceleration due to gravity is -9.8

We want to find t

So using s=ut+1/2a\(t^{2}\)

0=4.5sin(45)t+1/2(-9.8)\(t^{2}\)

Take out a common t

0=t(4.5sin45-4.9t)

t=0   or t= 0.65

The first answer is not valid so the answer is 0.65.

Now we can look at the horizontal component

It takes him 0.65 seconds to hit the water, he travels at a constant horizontal velocity of 4.5cos45

Therefore using s=vt

s=4.5cos45 x 0.65= 2.07m away

The load value for interrupts every one milliseconds is

\(\begin{aligned}&\mathrm{val}=1 \times 10^{-3} \times 4.094 \times 10^6 \\&\Rightarrow \mathrm{val}=4094\end{aligned}\)

The load value for interrupts every millisecond is

\(\begin{aligned}&\mathrm{val}=1 \times 10^{-6} \times 4.094 \times 10^6 \\&\Rightarrow \mathrm{val}=4.094\end{aligned}\)

However, we can only load integer values, therefore we apply

\(\Rightarrow v a l \approx 4\)

When the delay is 1 ms, it is accurate, but when the delay is 1 us, it is a little bit less. We are unable to provide an accurate 1 us delay interrupt because this requires a fractional value was calculated.

To learn about more tape timer, visit:

https://brainly.com/question/27798869

#SPJ4

Answer:

Acceleration = 29 m/s^2, Force = 203 N

Explanation:

The acceleration is given to you in the problem.

If you're trying to find the force and not acceleration:

1. Find the equation for force.

F = ma

2. Plug in what has been given to you in the problem.

F = 7kg × 29m/s^2

F = 203 N

Remember:

Newton = kg × m/s^2

In a series circuit consisting of a resistor and capacitor connected to an AC generator, the impedance of the circuit can be calculated using the given information.  The impedance of a series circuit is the total opposition to the flow of current, and it is represented by the symbol Z.

In this case, the circuit consists of a resistor and a capacitor connected in series. The impedance of the resistor, denoted as R, is simply the resistance value. The impedance of the capacitor, denoted as Xc, is given by the reciprocal of the product of the angular frequency (ω) and the capacitance (C). The angular frequency ω is calculated as 2π times the frequency of the AC generator.

To find the total impedance of the circuit, we need to calculate the sum of the resistive and reactive components. The impedance Z is the square root of the sum of the squares of the resistance and reactance: Z = √(R² + Xc²). Given the values of the resistor and capacitor, we can substitute them into the equation and solve for the impedance. The given information does not provide the frequency or capacitance values, so it is not possible to determine the exact impedance without this additional information. However, once the frequency and capacitance are known, the impedance can be calculated using the formula mentioned above.

Learn more about series circuit here-

https://brainly.com/question/14997346

#SPJ11

The correct question is-

What is the impedance of a series circuit consisting of a resistor and capacitor connected across an AC generator, where the EMF of the generator is given by v0 = 120 V, R is the resistance, C is the capacitance, and ω is the angular frequency?

The correct answer is -

In a series circuit with a resistor and capacitor connected across an AC generator, the impedance (Z) can be calculated using the formula:

Z = √(R² + (1/(ωC))²),

where R is the resistance, C is the capacitance, and ω is the angular frequency.

The impedance of the circuit represents the total opposition to the flow of alternating current. The resistance component (R) is responsible for dissipating energy in the form of heat, while the reactance component (1/(ωC)) is related to the capacitor's ability to store and release energy.

By calculating the impedance, we can understand the overall resistance offered by the circuit to the AC signal. This helps determine the current flow and voltage drop across the circuit components.

In summary, the impedance of a series circuit with a resistor and capacitor connected across an AC generator is given by the formula Z = √(R² + (1/(ωC))²). It combines the effects of resistance and reactance, providing a measure of the overall opposition to the AC current flow in the circuit.

Learn more about series circuit here-

https://brainly.com/question/14997346

#SPJ11

Answer:

A liquid becomes a gas.

Explanation:

I hope this helps a bit.

The potential difference between the plates of the parallel-plate air capacitor is 0.625 × \(10^{(-7)}\)volts, which can be written as 6.25 × \(10^{(-8)}\)volts or 62.5 nV.

The potential difference between the plates of a parallel-plate air capacitor, we can use the formula:
C = Q / V
Where C is the capacitance, Q is the charge, and V is the potential difference. Rearranging the formula to solve for V, we have:
V = Q / C
The capacitance (C) is 400.0 pF and the charge (Q) is 0.250 mC (converting 250 km to 0.250 m), we can substitute these values into the formula:
V = 0.250 mC / 400.0 pF
To perform the calculation, we need to ensure that the units are consistent. Converting 400.0 pF to Farads (F), we have:
V = 0.250 mC / 0.400 nF (1 nF = \(10^{(-9)}\) F)
V = 0.250 mC / 0.400 ×\(10^{(-9)}\) F
Simplifying the expression, we have:
V = 0.625 ×\(10^{(-7)}\)) C / F
Therefore, the potential difference between the plates of the parallel-plate air capacitor is 0.625 × 1\(10^{(-7)}\) volts, which can be written as 6.25 × \(10^{(-8)}\) volts or 62.5 nV.

Learn more about: capacitor

https://brainly.com/question/31627158

#SPJ11

Answer:

This plasma mostly consists of electrons