If the detector is capturing 3. 1×108 photons per second at this wavelength, what is the total energy of the photons detected in one hour?.

Answer:

Explanation:

F = ma

m = F/a

m = 107.2/1.6 = 67 kg

so Naoki's mass must be the total mass - mass of the bike

so her mass is 67 - 9 = 58 kg...B

Answer:

•Helps to maintain va proper pH in the body which supports cell function.

•Carries electrolytes such as sodium and potassium to our muscles.

The wall separating Henri from his manager made it hard to hear what his manager was saying, the wall is an example of a physical barrier.

Physical barrier is the environmental and natural condition that act as a barrier in communication in sending message from sender to receiver.

Therefore the wall between Henri and his manager acts as a physics barrier which made it hard to hear what his manager is saying.

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The extra cost of fuel for driving 83 mph instead of 73 mph is $3.7671.

The speed of your automobile has a huge effect on fuel consumption. Traveling at 65 miles per hour (mph) instead of 55mph can consume almost 20% more fuel. As a general rule, for every mile per hour over 55 , you lose 2% in fuel economy.

If you take a 400-mile trip and your average speed is 83mph rather than the posted speed limit of 73mph, then the extra cost of the fuel is calculated as:

* **Fuel consumption at 83 mph:** 30 mpg * (1 - 2% * (83 - 55)) = 27.6 mpg

* **Fuel consumption at 73 mph:** 30 mpg * (1 - 2% * (73 - 55)) = 29 mpg

* **Extra fuel used:** 400 miles / 27.6 mpg - 400 miles / 29 mpg = 2.4 gallons

* **Extra cost of fuel:** $3.26/gallon * 2.4 gallons = $3.7671

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Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

\(a = \frac{f}{m} \\ \)

f is the force

m is the mass

From the question we have

\(a = \frac{700}{600} = \frac{7}{6} \\ = 1.1666666...\)

We have the final answer as

Hope this helps you

In the northern hemisphere, south facades of a building have the largest amount of incident solar radiation in the winter.

During the winter months, the sun's path is lower in the sky, resulting in a higher solar angle on the southern side of the building. This allows the south-facing facade to receive more direct sunlight and maximize solar radiation absorption. In contrast, during the summer months, the sun's path is higher, causing the northern side to receive more direct sunlight, resulting in the south facade experiencing less incident solar radiation. In the northern hemisphere, south facades of a building have the largest amount of incident solar radiation in the winter.

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Answer:

B. 90km/hr

Explanation:

The formula for finding velocity =

Displacement/time

The displacement of the car has been given to be = 1215 km West

Time it took to go from Dallas to Paso = 13.5 hours

Then velocity = 1215/13.5

= 90

Therefore velocity = 90km/hour

Option B is the correct answer to this question.

Thank you!

Answer:

Because the light only spears to part of the water so it would appear less deep

Answer:

true

Explanation:

as long as you are interested, you are happy

Since lifetime activities are done for a lifetime, it is true that a well chosen lifetime activity is something that should hold a person's interest for a long time.

A lifetime activity is an activity which an individual decides to do for a lifetime.

A lifetime activity should be able to hold a person's interest for a long time, else it could lead to frustration.

Some lifetime activities include:

Therefore, it is true that a well chosen lifetime activity is something that should hold a person's interest for a long time.

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The direction of current flow is given by an arrow in the electrical circuit.

Several categories are used to categorise electrical circuits. One-way current only flows through a direct-current circuit. As with most residential circuits, an alternating-current circuit is a channel for transmitting electrical current that pulses back and forth numerous times each second.

A battery or generator, a device that provides energy to the charged particles that make up the current, a device that uses current, such as a lamp, an electric motor, or a computer, and the connecting wires or transmission lines make up an electrical circuit.

A source of electrical power, two wires that can transmit current, and a light bulb make up an electrical circuit. Both wires have one end connected to a cell terminal and the other end connected to a light bulb. When the light bulb is turned off, the electrical circuit is disrupted.

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Answer:An object having balanced forces definitely cannot be accelerating.

Answer:

7.27 m/s

Explanation:

You would be dividing 40 (distance) by 5.5 (time) to get the average velocity of 7.27 m/s .

Answer:

7.27

Explanation:

40/5.5=7.27

Answer:

controlled variable

Explanation:

here you go

A control variable refers to a variable that is not allowed to change during an experiment​.

A control variable or scientific constant can be described as an experimental element that is constant and unchanged throughout the course of the investigation in scientific experimentation.

Control variables can strongly affect experimental results where they are not held constant during the experiment in order to test the relative relationship between the dependent and independent variables.

A variable is held constant in order to assess the relationship between multiple variables in an experiment and is a control variable. A control variable is not changed throughout an experiment because its constant state allows the relationship between the other variables. A control variable is what is kept constant throughout the entire experiment.

Therefore,  a variable that is not allowed to change during an experiment​ is a controlled variable or scientific constant.

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The resistance of a 20-cm-long column of blood in the femoral artery is approximately 40.6 ohms.

We can use the formula for the resistance of a cylindrical conductor:

R = (ρ * L) / A

where:

R is the resistance

ρ is the resistivity of the material

L is the length of the conductor

A is the cross-sectional area of the conductor

In this case, the conductor is a column of blood with length L = 20 cm and resistivity ρ = 1.6 ohm m. The cross-sectional area A is given by the formula for the area of a circle:

A = π * r^2

where r is the radius of the artery. Since the diameter of the artery is 1.0 cm, its radius is 0.5 cm = 0.005 m. Therefore:

A = π * (0.005 m)^2 = 7.85 × 10^-5 m^2

Substituting these values into the formula for resistance, we get:

R = (1.6 ohm m * 0.2 m) / 7.85 × 10^-5 m^2

R = 40.6 ohms

Therefore, the resistance of a 20-cm-long column of blood in the femoral artery is approximately 40.6 ohms.

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Answer:

I don't think the information is complete

Answer:

combustibility

Explanation:

generally observe as the identity of a substance change and one or more new substance form

The statement "the value of r represents the distance from a point to the pole when plotting a point in polar coordinates" is true. When plotting a point in polar coordinates, there are two coordinates used: the angular coordinate and the radial coordinate.

In polar coordinates, a point is represented by an ordered pair (r, θ), where r is the distance from the pole and θ is the angle from the positive x-axis. The distance from a point to the pole is simply the value of r.

Here is an example of how to plot a point in polar coordinates. Let's say we want to plot the point (2, 45°). This means that the point is 2 units from the pole and is at an angle of 45° from the positive x-axis. To plot this point, we would start at the pole and move 2 units in a direction that is 45° counterclockwise from the positive x-axis.

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Answer: Because of the friction force acting directly on the bag.

Explanation:

The function of the wheels is diminish the effect of the friction force, when the friction pulls back, it makes the wheel rotate, and this force is not applied directly on the bag.

Now the wheels are not working, so now the friction is acting directly on the bag, this is why the mand finds more difficult to drag the bag.

Type SE cable with an insulated neutral conductor is permitted for hooking up an electric range in a new branch circuit. Type SE cable with an insulated neutral conductor is permitted for hooking up an electric range in a new branch circuit.

Type SE Cable is primarily utilized for supplying power from a service drop to the meter base and from the meter base to the distribution panelboard; it is frequently utilized as a branch circuit as well.In an electric range branch circuit, a neutral wire is required to be run along with the two hot wires because of the 240V circuits. The NEC code specifies that the branch circuit supplying an electric range must have an ampacity rating of at least 40 amps. It should be equipped with a grounding conductor of a wire gauge equal to or larger than No. 10. The ampacity of the cable should not be less than the rated capacity of the electric range.For electric ranges, Type SE cable with an insulated neutral conductor can be used as long as the cable meets the above-mentioned requirements.

This type of cable is widely utilized in residential and commercial construction applications because it is simple to install and connect to the breaker panel. Furthermore, it provides a significant amount of insulation against heat and moisture, making it appropriate for use in high-temperature applications.The neutral conductor is insulated in the Type SE cable, which indicates that the metal sheath is utilized as a grounding conductor rather than the neutral conductor. This provides an additional layer of protection against electrical shock and fire, making it an excellent option for use in electric range branch circuits. For those who want to wire their electric range with Type SE cable, be sure to follow all of the applicable electrical codes.

Type SE cable with an insulated neutral conductor is permitted for hooking up an electric range in a new branch circuit, provided it meets certain specifications. The cable should have an ampacity rating of at least 40 amps and be equipped with a grounding conductor of a wire gauge equal to or larger than No. 10. The ampacity of the cable should not be less than the rated capacity of the electric range. Type SE cable is widely used in residential and commercial construction because it is simple to install and offers insulation against heat and moisture, making it appropriate for use in high-temperature applications. The neutral conductor is insulated in the Type SE cable, which provides an extra layer of protection against electrical shock and fire. If you want to wire your electric range with Type SE cable, make sure you follow all the relevant electrical codes.

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Complete Question: A horse pulls a cart along a flat road. Consider the following four forces that arise in this situation. (1) the force of the horse pulling on the cart (2) the force of the cart pulling on the horse (3) the force of the horse pushing on the road (4) the force of the road pushing on the horse Suppose that the horse and cart have started from rest; and as time goes on, their speed increases in the same direction. Which one of the following conclusions is correct concerning the magnitudes of the forces mentioned above?

A) Force 1 exceeds force 2.

B) Force 2 is less than force 3.

C) Force 2 exceeds force 4.

D) Force 3 exceeds force 4.

E) Forces 1 and 2 cannot have equal magnitudes.

Answer: B) Force 2 is less than force 3.

Explanation: From the given four forces to be considered, Force 2 is less than Force 3 is correct option.

After evaluating the forces one by one. Force 3 and Force 4 are the same, both have equal magnitude.

And Force 3 is greater than Force 2, i.e., the force of the horse pushing on the road is much higher than the cart pulling the horse. Hence, more forces is required to pull the cart while on the road towards forward direction.

More so, the force of the road pushing on the horse is greater than the force of the cart pulling on the horse.

Gravitational waves are ripples in the fabric of spacetime that propagate outward from accelerating massive objects.

They were first predicted by Albert Einstein's theory of general relativity. Gravitational waves carry energy away from their source, causing a distortion in the spacetime continuum as they pass through it. One key aspect of gravitational waves is their ability to provide us with information about astronomical events and phenomena that cannot be observed through other means. For example, when massive objects like black holes or neutron stars merge, they emit gravitational waves that can be detected and studied. By observing the characteristics of these waves, such as their frequency and amplitude, scientists can infer valuable information about the nature and properties of the astrophysical objects involved. Gravitational wave detectors, such as the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo detector, have been instrumental in detecting and confirming the existence of gravitational waves. These detectors work by measuring the minute changes in the length of laser beams caused by the passing gravitational waves. The detection and study of gravitational waves have opened up a new window into the universe, allowing us to explore phenomena like black hole mergers, supernovae, and the early moments after the Big Bang. They provide valuable insights into the workings of gravity, the behavior of extreme cosmic objects, and the evolution of the universe itself.

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Answer:

b

Explanation:

If someone showed you two spheres of the same size but with different masses, say 1g and 10kg, and asked which would hit the ground first after being dropped from the Leaning Tower of Pisa, what would you say? If you’re like most people, you would say the 10kg sphere would hit the ground first. Aristotle said so too, and for 1,000 years everyone believed him. But doing the experiment would show you, besides a great view of Pisa, that in fact, both spheres hit the ground at the same time.This is exactly what Galileo did, showing the world that objects of different masses fall at the same rate. (This is also a good example of why it is important to do experiments yourself and not to just take someone else’s word for it.) To start understanding why Galileo was right, we need to understand the difference between several physics words that are often jumbled together and confused: mass, weight, speed, velocity, acceleration, and force.

The total amount of water vapor in the atmosphere remains approximately the same over time.

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation). Liquid water flows across land (runoff), into the ground (infiltration and percolation), and through the ground (groundwater). Groundwater moves into plants (plant uptake) and evaporates from plants into the atmosphere (transpiration). Solid ice and snow can turn directly into gas (sublimation). The opposite can also take place when water vapor becomes solid (deposition).

In conclusion, water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation. Because of this equality, the total amount of water vapor in the atmosphere remains approximately the same over time.

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Answer:

Yes, the driver has traveled far enough to reach the office.

Explanation:

Starting at 50 km/h you can break the 50 into 4 sections (50/4 or 1/4 of 50) and that will get you 12.5

45 minutes are 3/4 of an hour which is 50 km/h.

12.5*3=37.5 km (37.5>30)

Astronomers now explain the small size of the energy emitting regions in quasars through the concept of an  accretion disk surrounding a supermassive black hole.

The size of the energy emitting regions in quasars appears small because the accretion disk is compact and confined to a relatively small region around the supermassive black hole. The intense gravity of the black hole compresses the matter in the disk, leading to high temperatures and strong energy emissions in a relatively confined area. Observations and theoretical models support this explanation, providing a coherent understanding of the small energy emitting regions in quasars within the framework of accretion disks surrounding supermassive black holes.

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Answer:

P = m (v2 - v1)     change in momentum

P = - m v1  if v2 is to be zero

F = P / t     change in momentum equals applied force

F = m a = - m v1 / t

a = -v1 / t     or a * t = -v1`

Any combination of a and t that is greater than v1 will bring the space station to a halt

If a is small then t must be large

Any applied force will eventually bring the ship to a halt and then begin the acceleration towards the starting point

Answer:

The light rays bounce off the table and all move in the same direction is answer.

Explanation:

I hope it's helpful!

Answer:

A. The light rays bounce off the table and all move in the same direction.

Explanation:

Answer:

Shangdi or A: Di

Explanation:

Shangdi was considered to be the supreme deity during the Shang dynasty (1600–1046 century BCE), but during the Zhou dynasty (1046–256 BCE) he was gradually supplanted by heaven (tian).