What are the benefits of wind and solar?

The car's initial velocity is 27 m/s and it slows down at a constant rate of 5.4 m/s^2 for 3 seconds. The car's velocity at the end of 3 seconds is 10.8 m/s.

We the equation v = u + at
Substituting the given values, we get:
v = 27 + (-5.4 x 3)
v = 27 - 16.2
v = 10.8 m/s
Therefore, the car's velocity at the end of 3 seconds is 10.8 m/s.
This means that the car has slowed down by 16.2 m/s from its initial velocity of 27 m/s. It's important to note that the negative sign in the equation indicates that the car's velocity is decreasing. The acceleration of 5.4 m/s^2 is negative because it's acting against the direction of motion, which is towards the negative direction of the velocity axis.
In conclusion, the car's velocity at the end of 3 seconds is 10.8 m/s, which means it has slowed down by 16.2 m/s from its initial velocity of 27 m/s at a constant rate of 5.4 m/s^2.

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The water budget equation for the Creek drainage basin is: Precipitation = Stream discharge + Evapotranspiration ± Change in storage.

To develop the water budget equation for this problem, we need to account for the inputs and outputs of water in the Creek drainage basin. The water budget equation can be expressed as,

P = Q + ET ± ΔS

P = Precipitation input (mm)

Q = Stream discharge (m³/s)

ET = Evapotranspiration (mm)

ΔS = Change in storage (mm)

First, let's convert the units of the given values,

Precipitation input (P) = 550 mm

Stream discharge (Q) = 1.8 m³/s

Now, let's determine the evapotranspiration (ET) and change in storage (ΔS) terms. However, the problem doesn't provide information about ET, so we cannot calculate it accurately. The problem doesn't provide information about ΔS, so we cannot calculate it accurately.

Given these limitations, we can write the simplified water budget equation for this problem,

550 mm = 1.8 m³/s + ET ± ΔS

Please note that without information about evapotranspiration and changes in storage, we cannot fully determine the water budget for the Creek drainage basin.

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Explanation is in the file

tinyurl.com/wpazsebu

Explanation:

The change in entropy is a measure of temperature. When the temperature of a compound or a system increases, there will be more randomness in the system.

The boiling point is directly related to the number of carbon atoms but is indirectly proportional to the branching in a hydrocarbon.

Butane and methyl propane, both have 4 carbon atoms.

But, butane has 4 carbon atoms in a straight chain while methyl propane has 3 carbon atoms in a straight chain and 1 methyl substituent which makes it a branched hydrocarbon.

Thus, the boiling point of methyl propane will be less than the butane. Likewise, the pattern in entropies will be seen.

The concept of habituation is best exemplified by situation b, where a college student is no longer kept awake by her roommate's late night typing.

Habituation refers to the decrease in responsiveness to a stimulus after repeated exposure to it. This means that over time, the student becomes less and less responsive to the sound of typing, and it no longer disrupts her sleep.

Habituation is a basic form of learning and is thought to be an adaptive mechanism, allowing organisms to conserve energy by ignoring irrelevant stimuli. It is often observed in infants and young animals, but can occur in any organism that is capable of learning.

In situation a, an infant recognizes her father's voice, this is not an example of habituation, but rather an example of classical conditioning. In situation c, a kitten avoids a couch after being reprimanded for sitting on it, this is an example of classical conditioning or a form of punishment-based learning. In situation d, a rat learns to press a bar for food when a red light is flashed, this is an example of operant conditioning. And in situation e, a motorist drives at the speed limit when there is a police driver in sight on the highway, this is an example of social learning.

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Answer:

D) Move in a opposite direction from the stronger force.

Explanation:

A 40.0 kg object is experiencing a net force of 240 N while traveling in a circle of radius 0.8 m. Its velocity is 2.19 m/s.

To find the velocity of the object, we can use the formula:

Force = (mass x velocity²) / radius

Here, Force = 240 N, mass = 40.0 kg, and radius = 0.8 m

Solving for velocity, we get:

240 N = (40.0 kg x velocity²) / 0.8 m

240 N x 0.8 m = 40.0 kg x velocity²

192 Nm = 40.0 kg x velocity²

velocity² = 192 Nm / 40.0 kg

velocity² = 4.8 m²/s²

velocity = √(4.8 m²/s²)

velocity = 2.19 m/s

Therefore, the velocity of the object is 2.19 m/s.

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Answer:

The resistance in the circuit is 12 ohm.

(D) is correct option

Explanation:

Given that,

Current = 0.25 A

Voltage = 3 V

We need to calculate the resistance

Using ohm's law

\(V=IR\)

\(R=\dfrac{V}{I}\)

Where, V = voltage

I = current

R  = resistance

Put the value into the formula

\(R =\dfrac{3}{0.25}\)

\(R=12\ ohm\)

Hence, The resistance in the circuit is 12 ohm.

(D) is correct option

Answer:

Isotope are atoms of the same element that have the same atomic number but different in mass number.

Answer:

cellar·⇔⇔⇔⇔⇔ A

Explanation:

i took it

The gravitational force the earth exerts on the satellite is 76.849N

Mass of satellite = 440kg

mass of the earth = 5.97 × \(10^{24}\)kg

Distance from the center of the earth = 7.5 × 6371 ×\(10^{3}\)

Gravitational force (F) = Gm1m2 / \(r^{2}\)

                                    = 17537.136 ×\(10^{13}\) / 2.282 × \(10^{15}\)

                                    = 175.371 / 2.282

                                     = 76.849N

Newton's cannonball is a "thought experiment" he proposed that leads to the hypothesis that the force of gravity is universal and that it is a major factor in planetary motion. He imagined himself as a cannon on the summit of a very high mountain peak. If the cannon is fired after being loaded with gunpowder, the situations listed below may occur.

When a cannon fires, it moves like a projectile and then falls to Earth if its speed is low. If the cannon's speed matches the orbital speed at that precise altitude, the projectile will fly.                                  

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Answer:

normal force

tension force

and other example of force

Answer: definitely parallel !

Explanation: Hope This helps!

Answer:

B:parallel

Explanation:

just finished cumulative exam and this was a question

Answer:

Using V= IR

I= 0.2307 Ampere

Answer:

m = 8 kg

Explanation:

According to Newton's second law of motion, F = ma.

Solving for m using algebra:

m = F ÷ a

m = 48 N ÷ 6 m/s² = 8 kg

Twisted-pair wiring is a category of cable that is comprised of four copper cables that have been wound around one another and encased in a plastic sheath.

Also with copper wires, twisted-pair cables were some of the first guided transmission medium. Twisted-pair cables are utilized in a variety of networking and communication applications today, including local area networks, digital subscriber lines, and phone lines.

The common copper cable known as twisted pair is used to link residential and commercial systems to the phone provider. Two copper pipe wires are wound around each other in a spirally to minimize electromagnetic induction or crosstalk between pairs of wires. Twisted pair connections require both wires for each connection.

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Answer:

Given that

speed u=4*10^6 m/s

electric field E=4*10^3 N/c

distance b/w the plates d=2 cm

basing on the concept of the electrostatices

now we find the acceleration b/w the plates  to find the horizontal distance traveled by the electron when it hits the plate.

acceleration a=qE/m=\(1.6*10^{-19}*4*10^3/9.1*10^{-31} =0.7*10^{15}\)=\(7*10^{14}\) m/s

now we find the horizontal distance traveled by electrons hit the plates

horizontal distance

\(X=u[2y/a]^{1/2}\)

=\(4*10^6[2*2*10^{-2}/7*10^{14}]^{1/2}\)

=\(3*10^{-2}\)= 3 cm

Answer:

its  A. because since heat energy means thermal i think it is A and also When friction acts between two surfaces that are moving over each other, some kinetic energy is transformed into heat energy.

Explanation: your welcome and i hope its right

Answer:

KE increases and PE decreases.

Explanation:

POTENTIAL ENERGY (PE):

The potential energy of the rock depends upon the height of the rock, as given by the following formula:

P.E = mgh

Therefore, the potential energy will be highest at the initial point due to the highest height attained by rock. As the rock falls, its height will decrease as a result its potential energy will also decrease.

KINETIC ENERGY (KE):

The kinetic energy of the rock depends upon the velocity of the rock, as given by the following formula:

\(K.E = \frac{1}{2}mv^2\)

Therefore, the kinetic energy will be zero at the initial point due to the zero velocity of the rock. As the rock falls, its velocity will increase as a result its kinetic energy will also increase.

Hence, the correct option will be:

KE increases and PE decreases.

Yes, there is a distinction between thermal energy and internal energy. Thermal energy refers to the energy that is transferred between objects or systems due to a temperature difference.

It is the energy that causes a substance to change its temperature. On the other hand, internal energy refers to the total energy contained within a substance. It includes the kinetic energy of the particles that make up the substance, as well as the potential energy due to the intermolecular forces between the particles. Both thermal energy and internal energy are important concepts in thermodynamics, which is the study of energy and its transformation. Physicists use both terms depending on the context of their work.

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Explanation:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others

Answer:

bar graph

Explanation:

i just rember

Answer:

B. Bar Graph

Explanation:

Edg 2020

The frequency of a wave with a wavelength of 0.39 m and a speed of 86 m/s can be calculated using the formula: frequency = speed / wavelength. Substituting the given values into the formula, we find that the frequency of the wave is approximately 220.51 Hz.

The frequency of a wave refers to the number of complete cycles or oscillations it undergoes per second. It is measured in hertz (Hz). To calculate the frequency of a wave, we need to use the formula: frequency = speed / wavelength.

Given values:

Wavelength (λ) = 0.39 m

Speed (v) = 86 m/s

Using the formula: frequency = speed / wavelength

frequency = 86 m/s / 0.39 m

Dividing the speed (86 m/s) by the wavelength (0.39 m), we find:

frequency ≈ 220.51 Hz

Therefore, the frequency of the wave with a wavelength of 0.39 m and a speed of 86 m/s is approximately 220.51 Hz.

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