a traveling electromagnetic wave in a vacuum has an rms electric field amplitude of 61.7 v/m. calculate the intensity s of this wave.

The maximum possible efficiency of an engine operating between the given two temperatures is 10.38%.

Maximum efficiency that is obtained when the heat engine is operating between two temperatures is called Carnot Efficiency.

The efficiency of heat engines generally increases with the operating temperature. Advanced structural materials that helps engines to operate at higher temperatures is an active area of research.

The efficiency of Carnot engine = 1

No engine has 100 % efficiency as per the Kelvin Planck statement. Sink temperature is always  less than the source temperature, therefore  of Carnot cycle efficiency becomes less than 100 %.

Given T1 = 35°C , T2= 3°C

Efficiency =( (T1 - T2)/T1) × 100

T1= 35+273 = 308 K

T2 = 3 +273= 276 K

Efficiency = ( 308 - 276)/308×100

=( 32×100)/308

Efficiency = 10.38 %

To know more about Carnot efficiency, refer

https://brainly.com/question/14470167

#SPJ4

Answer:

Is it a sin to like them all...? haha

Answer:

Schlatt, Nikki, Tubbo, and Wilbur :O

Explanation:

how is this a question lol-

Answer:

(a)  v = 0 m/s

(b)  v = 6 m/s

(c)  6 m

(d)  a = 0 m/s²

(e)  a = 0.75 m/s²

Explanation:

A velocity-time graph shows the velocity (speed) and direction an object travels over a specific period of time.

A horizontal line means constant velocity.

When v = 0 m/s, the object is at rest.

Acceleration is the slope of the line. (A positive slope is acceleration, and a negative slope is deceleration).

Displacement (distance traveled) is the area under the graph.

Part (a)

The object's initial velocity is when t = 0 s.

Therefore, from inspection of the graph, the initial velocity is:

Part (b)

The object's final velocity is when t = 8 s.

Therefore, from inspection of the graph, the final velocity is:

Part (c)

To calculate the displacement of the object from t = 0 s to t = 2 s, find the area under the graph between those times.

The area is a triangle with base 2 and height 3.  Therefore, using the area of a triangle formula:

Part (d)

The line between t = 2 s and t = 4 s is horizontal.  Therefore, the velocity between these times is constant and so the acceleration of the object is zero:

Part (e)

To calculate the acceleration of the object from t = 4 s to t = 8 s, find the slope of the line between these two points:

\(\implies \textsf{slope}=\dfrac{\textsf{change in $y$}}{\textsf{change in $x$}}=\sf \dfrac{6-3}{8-4}=\dfrac{3}{4}=0.75\)

Therefore, the acceleration of the object from t = 4 s to t = 8 s is:

An ectopic heartbeat is an irregular heartbeat that happens when the heart's sinoatrial node (SA node), which is its normal heartbeat pacemaker, is disrupted. Ectopic beats originate from a location outside of the SA node, disrupting the normal heart rhythm. When it comes to the various types of ectopic beats, the most common is premature ventricular contraction (PVC).

If the ectopic impulse arises from the middle of the right atrium, the P wave will be abnormal. This occurs when the heart's ventricles experience an unexpected electrical impulse, causing them to contract prematurely. The P wave is a wave that appears on an electrocardiogram (ECG) and represents the electrical activity of the atria. The sinoatrial node generates a normal P wave, which spreads through both atria and then travels to the atrioventricular node, which slows the impulse and transmits it to the ventricles. P’ waveIf the ectopic impulse arises from the middle of the right atrium, the P' wave is abnormal.

As a result, the ECG can display the following:P waves with a single, smooth contour that are narrower than normal, P waves that have a pointed apex and are taller than normal, and P waves that merge with other waves, making them indistinguishable on the ECG.P prime waves, which are visible on an ECG, are related to supraventricular beats. They're usually seen in the early part of a supraventricular tachycardia event, which is a fast heart rate originating from the atria.

Learn more about pacemaker here ;

https://brainly.com/question/31622614

#SPJ11

Answer:

Here's what I got:

Let's assume that N and E are + directions while S and W are - directions.

Wind is blowing from SW; thus, it is blowing towards NE (or at 45 deg N of E).

Dividing the wind's speed into components:y-component: +70.71 km/h; x-component: +70.71 km/h

Dividing the airplane's speed into components:y-component: -600 km/h; x-component: 0 km/h

Adding the components to get the resulting components:y-component: -529.29 km/h; x-component: +70.71

Using the Pythagorean Theorem to find the resulting speed:v^2 = y^2 + x^2 so v = 533.99 km/h

To find the angle of direction, use arctan (y/x):arctan (529.29/70.71) = 82.39 deg

ANSWER: velocity = 533.99 km/h at 82.39 deg S of E

Explanation:

The momentum of the bike moving along the path with a constant velocity is  375 kgm/s.

The momentum of an object is the effect experienced by a moving object when a certain force acts on it. It is the product of mass and velocity.

The momentum of the bike is calculated as follows;

P = mv

P = 75 x 5

P = 375 kgm/s

Thus, the momentum of the bike moving along the path with a constant velocity is  375 kgm/s.

Learn more about momentum here: https://brainly.com/question/7538238

#SPJ1

a

Explanation:

1 degree celcious is the change

The introduction of caulerpa into the Mediterranean Sea has likely had a significant negative impact on the biodiversity of the area.

The aggressive strain of algae quickly spread across the sea floor and outcompeted many native species for resources. The toxin in caulerpa also prevents native herbivores from consuming it, further reducing the available food sources for other species. This crowding out of species could lead to a reduction in overall biodiversity, as well as potential disruptions to the food web and ecosystem functioning.
                                          The impact of Caulerpa on the biodiversity in the Mediterranean Sea. The most likely impact Caulerpa has had on the biodiversity in the Mediterranean Sea is that it has significantly reduced biodiversity due to its aggressive growth and the displacement of native species, such as sponges, corals, sea fans, and lobsters.

                                The toxin in Caulerpa prevents native herbivores from consuming it, allowing the algae to spread rapidly and crowd out native species, ultimately leading to a decrease in biodiversity.

Therefore, the introduction of caulerpa has likely caused a decline in the diversity of species in the Mediterranean Sea.

Learn more about Mediterranean Sea

brainly.com/question/14677605

#SPJ11

Answer:

The acceleration due to gravity at Pluto is 0.0597 m/s^2.

Explanation:

Length, L = 1 m

10 oscillations in 257 seconds

Time period, T = 257/10 = 25.7 s

Let the acceleration due to gravity is g.

Use the formula of time period of simple pendulum

\(T = 2\pi\sqrt{\frac{L}{g}}\\\\25.7 = 2 \times 31.4\sqrt{\frac{1}{g}}\\\\g = 0.0597 m/s^2\)

Main answer:

The lion's distance is 95.2 m and its displacement is 29.6 m to the left.

Explanation:

Distance refers to the total length traveled by an object, regardless of direction. Displacement, on the other hand, is the shortest distance and direction between the starting point and the ending point of an object's motion.

In this case, the lion first runs 62.4 m to the left, so its displacement at this point is also 62.4 m to the left. Then, it turns and walks back to the right for 32.8 m. Its displacement from the starting point is now 29.6 m to the left (62.4 m - 32.8 m).

To find the distance, we simply add the length of both distances traveled by the lion:

Distance = 62.4 m + 32.8 m = 95.2 m

To find the displacement, we subtract the total distance traveled to the left from the total distance traveled to the right:

Displacement = 62.4 m - 32.8 m = 29.6 m to the left

Conclusion:

In summary, the lion's distance traveled was 95.2 m, and its displacement was 29.6 m to the left.

The lion's distance is the total amount it has traveled, regardless of direction.

Therefore, the lion's distance is the sum of the distance it ran to the left and the distance it walked back to the right:
Distance = 62.4 m + 32.8 m = 95.2 m
The lion's displacement, on the other hand, is the straight-line distance from its starting point to its ending point, taking into account direction. Since the lion ends up to the right of its starting point, its displacement is positive. We can use the Pythagorean theorem to find the displacement:
Displacement = √(62.4² + 32.8²) = √(3888.32 + 1080.64) = √4968.96 = 70.5 m (rounded to one decimal place)
Therefore, the lion's distance is 95.2 meters and its displacement is 70.5 meters to the right.
To know more about displacement visit:

https://brainly.com/question/30087445

#SPJ11

Answer:

B on edgen

Explanation:

The water in pot X has more kinetic energy than the water in pot Y.

Answer:

the water in pot x has more kenetic energy.

Explanation:

not sure if its the answer. just found it on quizlet.

They have a limited supply in nature, therefore if they are used excessively, they will become exhausted.

Today, we recognise that using fossil fuels has a negative impact on the environment. Fossil fuels produce and utilise local pollutants, and their continued use permanently alters the temperature of our entire world.

Wastes from combustion sources are those that result from carbon pollution (i.e., coal, oil, natural gas). Included in this are all ash and particles taken out of the flue gas.

The fossile fuel is limited in nature. So, it should not waste energy from fossil fuels.

More about the fossile fuel link is given below.

https://brainly.com/question/3371055

#SPJ1

Answer:

The moment of inertia decreased by a factor of 4

Explanation:

Given;

initial angular velocity of the ice skater, ω₁ = 2.5 rev/s

final angular velocity of the  ice skater, ω₂ = 10.0 rev/s

During this process we assume that angular momentum is conserved;

I₁ω₁ = I₂ω₂

Where;

I₁ is the initial moment of inertia

I₂ is the final moment of inertia

\(I_2 = \frac{I_1 \omega_1}{\omega_2} = \frac{I_1*2.5}{10} \\\\I_2 = 0.25I_1 = \frac{1}{4}I_1\)

Therefore, the moment of inertia decreased by a factor of 4

the moisture from the skin and seeds moves into the flesh when they are cooked, which could lead to a slight increase in weight. Overall, the weight of the brinjal and tomato would change after baking due to the loss of water content from the heating process.

When the brinjal and tomato are baked in a hot oven for about 15 minutes, their weight would have reduced. This is because the heat causes the water content present in them to evaporate, resulting in a decrease in their overall weight. The process of evaporation of water from fruits and vegetables when they are heated or cooked is called dehydration. The amount of weight loss would depend on the initial water content of the brinjal and tomato. If they have a higher water content, the weight loss would be greater. This is because more water would have evaporated from them during the baking process. Conversely, if they have a lower water content, the weight loss would be less. In some cases, the weight of the brinjal and tomato may increase slightly after baking. This is because some of the moisture from the skin and seeds moves into the flesh when they are cooked, which could lead to a slight increase in weight. Overall, the weight of the brinjal and tomato would change after baking due to the loss of water content from the heating process.

To know more about weight Visit:

https://brainly.com/question/31659519

#SPJ11

From the position-time graph, we have the following:

Distance covered Time

0 to 28 m 0 to 20 seconds

28m to 52 m 20 to 60 seconds

At 52 m 60 to 80 seconds

52 to -20m 80 to 110 seconds

Let's find the average speed for the entire trip.

To find the average speed, apply the formula:

Distance at line 1: 28 - 0 = 28m

Distance at line 2: 52 - 28 = 24 m

Distance at line 3: 0 m

Distance at line 4: -20m - 52 = -72 m

Thus, we have the equation:

Where:

d1 = 28 m

d2 = 24 m

d3 = 0 m

d4 = 72 m

t = 110 s

Now substitue values into the equation:

Therefore, the average speed for the trip is 4.4 m/s.

ANSWER:

Equation:

Substitution:

Calculation:

Binary search is the best method for finding common elements between two lists, with a sorted list a of size n and unsorted list b of size m, where n is much smaller than m.

Given a sorted list a of size n and an unsorted list b of size m, where n is much smaller than m, the most efficient strategy to find the common elements of both lists is to use binary search. The best method for finding the common elements of the sorted and unsorted lists is binary search. This is because binary search has a logarithmic time complexity, which is more efficient than linear search, which has a time complexity of O(n).

When binary search is used to compare two lists, it takes O(m log n) time to search for all common elements. This is much faster than using linear search, which would take O(mn) time to compare two lists. Therefore, binary search is the best method for finding common elements between two lists, with a sorted list a of size n and unsorted list b of size m, where n is much smaller than m.

To know more about elements visit:-

https://brainly.com/question/29265478

#SPJ11

The given statement "The total current to pass through a cell is called the standard reduction potential" is true.

Standard reduction potential is the measure of the tendency of a species to gain electrons and undergo reduction under standard conditions.

It is the total current that passes through a cell when the concentration of all the reactants and products in the half-reactions are at 1 mol/L, the temperature is 25°C, and the pressure is 1 atm.

Standard reduction potential is denoted by E° and is measured in volts (V).

The more positive the standard reduction potential, the greater the tendency of a species to be reduced.

In contrast, the more negative the E° value, the greater the tendency of a species to be oxidized.

For more such questions on electrons, click on:

https://brainly.com/question/860094

#SPJ11

To calculate the energy of the frequency at which the AM radio station is broadcasting, we can use the formula:

E = h × f

Where:

E = energy of the frequency (in joules)

h = Planck's constant (approximately 6.626 × 10^-34 J·s)

f = frequency (in Hz)

Given that the frequency of the AM radio station is 655 KHz, we need to convert it to Hz:

655 KHz = 655 × 10^3 Hz

Now we can calculate the energy:

E = (6.626 × 10^-34 J·s) × (655 × 10^3 Hz)

Performing the calculations:

E ≈ 4.34 × 10^-28 J

To convert the energy to kilojoules:

E = 4.34 × 10^-28 J / 1000

E ≈ 4.34 × 10^-31 kJ

Therefore, the energy of the frequency at which the AM radio station is broadcasting is approximately 4.34 × 10^-31 kJ.

Learn more about frequency here:

brainly.com/question/29739263

#SPJ11

When two students pull on the same box at the same time, yet there is no net force on the box, it is possible if the two forces that are being applied are of equal magnitude and are acting in opposite directions.

In such a case, the forces will cancel each other out, and there will be no net force acting on the box. Net force is the sum of all forces that are acting on an object. If two forces act on an object in opposite directions, the net force acting on the object is zero.

This means that the object will not move in any direction and will remain stationary, as there is no force to push it forward or pull it back. In the case of two students pulling a box, if they pull with equal force, but in opposite directions, the box will remain stationary.

This is because the two forces cancel each other out. If the force applied by one student is greater than the force applied by the other student, then there will be a net force acting on the box, and the box will move in the direction of the greater force.

To know more about net force refer here: https://brainly.com/question/18031889#

#SPJ11

If v is the frequency of the emission, then the frequency of the reflected wave is ′=(vv+vs)=620(340340+8.333)=605.2 Hz. v v + v s = 620 (340 340 + 8.333) = 605.2 H z is what "′" equals.

Moving away from the source causes an observer to pick up a lower frequency, while moving toward it causes them to pick up a higher frequency. Therefore, the perceived frequency often rises as the source and observer get closer to one another.

This is because the moving ambulance is squishing the sound waves in front of the car together. Your ear receives more vibrations per second as a result.

To know more about frequency visit:-

https://brainly.com/question/5102661

#SPJ4

To calculate the depth of flow, the Froude number, and the critical depth in the channel, we can use the Manning's equation and the Froude number equation.

Depth of Flow (y):

The Manning's equation relates the depth of flow, cross-sectional area, hydraulic radius, and channel slope to the discharge. The equation is as follows:

Q = (1 / n) * A * R^(2/3) * S^(1/2)

where Q is the discharge, n is the Manning's roughness coefficient, A is the cross-sectional area, R is the hydraulic radius, and S is the channel slope. Given:

Q = 1.0 m^3/s

n = 0.015

B (bed width) = 1.0 m

Slope (S) = 1 in 1000 = 0.001 (dimensionless)

First, we need to calculate the cross-sectional area (A):

A = Q / (B * y)

A = 1.0 / (1.0 * y)

Next, we calculate the hydraulic radius (R):

R = A / P

R = A / (B + 2y)

Substituting the values into the Manning's equation:

1.0 = (1 / 0.015) * (1.0 / y) * ((1.0 / (1.0 + 2y))^(2/3)) * (0.001^(1/2))

Simplifying the equation:

y = 0.5 m

Therefore, the depth of flow in the channel is 0.5 meters.

Froude Number (Fr):

The Froude number is a dimensionless quantity that represents the ratio of inertial forces to gravitational forces in the flow. It is calculated using the formula:

Fr = V / sqrt(g * y)

where V is the velocity of the flow, g is the acceleration due to gravity, and y is the depth of flow.

To calculate the velocity (V), we use the equation:

V = Q / A

Substituting the values:

V = 1.0 / (1.0 * 0.5)

Now we can calculate the Froude number:

Fr = V / sqrt(g * y)

Fr = V / sqrt(9.81 * 0.5)

Calculating the Froude number:

Fr ≈ 1.267

Critical Depth (yc):

The critical depth occurs when the Froude number is equal to 1. It is given by the equation:

yc = (Q^2 / (g * A^2))^(1/3)

Substituting the values:

yc = (1.0^2 / (9.81 * (1.0 * 0.5)^2))^(1/3)

Calculating the critical depth:

yc ≈ 0.45 m

Therefore, the Froude number in the channel is approximately 1.267, and the critical depth is approximately 0.45 meters.

To learn more about, Froude number equation, click here, https://brainly.com/question/16197137

#SPJ11

Answer: Controlar el sobrepeso bajas grasa , te pone de buen homor , te da mas energia , Te ayuda mantenerte saludable y combatir enfermedades.

The answer response are:

a. plastic wrap - transparent

b. wax paper - translucent

c. wedding veil - sheer/transparent

d. thick rug - opaque

e. textbook - opaque

f. window - transparent

a. Plastic wrap is a thin, clear material that allows light to pass through it, making it possible to see objects behind it. Therefore it's transparent.

b. Wax paper is a thin, translucent material that allows some light to pass through it, making it possible to see through it, but not clearly as in the case of transparent materials. The objects behind it can be seen but appear somewhat cloudy or blurry.

Hence c. A wedding veil is a thin, sheer material that is often made of tulle or other lightweight fabrics. This makes it transparent, allowing light to pass through it easily and making it possible to see objects behind it.

Learn more about  opaque from

https://brainly.com/question/235422

#SPJ1

Given data:

* The mass of the cannonball is m_1 = 49 kg.

* The initial velocity of the cannonball is u_1 = 0 m/s.

* The final velocity of the cannonball is v_1 = 134 m/s.

* The mass of the boat and pirate is m_2 = 356 kg.

* The initial velocity of the boat and pirate is u_2 = 0 m/s.

Solution:

According to the law of conservation of momentum, the net momentum of the system in the initial state is equal to the net momentum of the system in the final state.

Thus,

Substituting the known values,

By simplifying,

Here, the negative sign indicates the motion of the boat and pirate is opposite to the direction of the cannonball.

Thus, the velocity of the boat and pirate after the cannonball fired is -18.44 meters per second.

Answer:

angular acceleration = change in angular speed / change in time

angular acceleration = 10 rad/s - 6.3 rad/s / 5s

angular acceleration = 3.7 rad/s / 5s

angular acceleration = 0.74 rad/s^2

The purpose of the experiment is to describe how the plasma membrane contributes to how the cell functions.

The dependent variable is the variable bring investigated. In this case, the dependent variable is the egg circumference.

The independent variable is the variable controlled by the researcher.

The controlled variable has no influence on the results. An example is the concentration of vinegar.

A hypothesis is a proposition which can be tested by observations. In order to form a hypothesis, it's important to collect observations about the problem being examined.

The tools that can be used to collect data include observations and records taken.

The procedure to collect the data include:

The conclusions that can be drawn about how the sum of forces acting on an object affect its motion is that when the forces cancel out, then the resultant force will be zero, if not, the unbalanced force will result in the acceleration of the object.

Learn more about experiments on:

brainly.com/question/17274244

#SPJ1

When Albert gives the bike wheel a good spin, an angular momentum is imparted to the system.

As per the law of conservation of angular momentum, the total angular momentum of the system must remain constant. Therefore, the turntable and Albert must also start rotating in the opposite direction of the bike wheel's rotation to conserve angular momentum. This is called the conservation of angular momentum. The rate of rotation of the turntable and Albert will depend on the mass and velocity of the bike wheel, as well as the mass and distance from the axis of rotation of the turntable and Albert.

Know more about law of conservation here:

https://brainly.com/question/24131537

#SPJ11

The next step after a physicist will most likely take in answering a question after performing an experiment is to analyze the results. Thus, the correct option is A.

A hypothesis can be defined as a proposed explanation for a phenomenon or an objective. For a hypothesis to be a scientific hypothesis or proven, the scientific method which is required for analysis is that one can test it and prove it.

Experimentation of a hypothesis often generates multiple measurements of the same thing or type, that is to replicate measurements, and these measurements of the hypothesis are subjected to error. Statistical analysis can be used to summarize the observations carefully by estimating the average of all the measurements, which provides an estimate of the true mean.

Therefore, the correct option is A.

Learn more about Analysis here:

https://brainly.com/question/29926939

#SPJ1

Answer: analyze results

Explanation: they always check over they're work

Crest is the part of the wave which does this.

A sound wave is the sample of disturbance resulting from the movement of strength visiting through a medium, including air, water or every other liquid or stable remember as it propagates far from the supply of the sound.

The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. because the supply continues to vibrate the medium, the vibrations propagate far from the supply at the rate of sound, hence forming the sound wave.

A sound wave is not a transverse wave with crests and troughs, however alternatively a longitudinal wave with compressions and rarefactions.

Learn more about wave here:- https://brainly.com/question/1199084

#SPJ1