he surface area of a star is 6.07×1018 m², and its rate of radiation has been measured to be 5.32 x 1026 W. Assuming that it is a perfect emitter (emissivity is 1), what is the temperature of the surface of this star? (o= 5.67 x 10-8 W/m². K4) (2 pts) Edit View Insert Format Tools Table 12pt ✓ Paragraph BIU T² : A

Answer:

A 70 kg box is slid along the floor by a 400 n force. The coefficient of friction between the box and the floor is 0. 50 when the box is sliding

-- Well first of all, the waves are transverse waves.  The fibers in the rope, and the hand that generates the waves, are moving up and down, but the wave is moving to the right, towards the wall.  These directions are perpendicular.

-- Later on, after the waves reflect from the wall and travel back toward the hand, there are going to be standing waves on the rope.  But this is probably beyond the scope of the question.

According to the data given in the question the net force on the box is of 5 N.

All of the forces that are applied to an object are added up to form the net force. As a consequence of the fact that it (force) is a vector and therefore that two forces with identical magnitudes and opposing directions cancel each other out, the resultant force is the total of the forces, or put another way, the net force is just the total of all the forces.

Given data :

Force on box to the left side (F1) = 15 N

Force on box to the right side (F2) = 20 N

Because both forces are in opposite direction

Hence,

Net force = F2 - F1

Net force = 20 - 15

Net force = 5 N.

To know more about net force visit :

https://brainly.com/question/14361879

#SPJ1

Answer:

60 m/hr

Explanation:

Remember your equation d=r/t

Plug it in

Or you can think; if a person can run 240 m/hr that means that they can get 1/4 of the way in 1/4 of the time= 60 m

Answer:60 m/hr

Explanation:

edge

Answer:

Explanation:

c rolling friction because a ball rolls and does not slide

Nuclear Fusion is a process by which the nucleus of the two atoms fuses to form a completely new element. The Helium in the sun is produced by the process of nuclear fusion.

It is a process by which the nucleus of the two atoms fuses to form a completely new element.

For Example-

Therefore, the Helium in the sun is produced by the process of nuclear fusion.

Learn more about The

https://brainly.com/question/14019172

Here your answer

Fossils are formed in a number of different ways, but most are formed when a plant or animal dies in a watery environment and is buried in mud and silt. Soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.

hope it helps ☺️✌️

Answer:

over years of being underground the pressure causes the organism to press into the rock and form a mold. this mold is the fossil and are found in sedimentary rock

The new velocity of the ball is 17.7 m/s north-east.

Velocity can be defined as the rate of change of displacement.

The S.I unit of velocity is m/s.

To calculate the magnitude and direction of the new velocity, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the new velocity of the ball is 17.7 m/s north-east.

Learn more about velocity here: https://brainly.com/question/4931057

#SPJ1

The correct terms that fills the box are;

(i) The incident ray

(ii) The normal

(iii) The reflected ray

(iv) The angle of incident

(v) The reflected angle

The terms of the ray diagram is illustrated as follows;

(i) This arrow indicates the incident ray, which is known as the incoming ray.

(ii) This arrow indicates the normal, a perpendicular line to the plane of incidence.

(iii) This arrow indicates the reflected ray; the out going arrow.

(iv) This the angle of incident or incident angle.

(v) This is the reflected angle or angle of reflection.

Learn more about ray diagram here: https://brainly.com/question/15506795

#SPJ1

Answer:

scientists often prefer to measure mass rather than weight because weight is affected by gravity while mass is not. Mass is always the same.

Explanation:

Weight is a force rather than a measure of the amount of matter something contains. The same amount of matter can have different weights depending on where it is. Mass directly measures the amount of matter present and remains the same no matter where it's measured.

The mass of the helium in the blimp is  805.634kg.

The macroscopic properties of ideal gases are correlated by the ideal gas law (PV = nRT). A gas is considered to be ideal if its particles are both non-repellent and occupy no space (have no volume).

The ideal Gas law, which establishes, is the idea related to this exercise to solve this problem.

PV = nRT

Given,

V = 5500 m³

P =  1.1105 pa

T = 274 k

\(M_{m}\) = 4.0026g

R = 8.3145J.mol⁻¹.K⁻¹

After rearranging the equation to get the number of moles from the ideal gas equation,

PV = nRT

n = PV/RT

n = 1.1105× 5500/8.3145×274

n = 201277.708

Because the mass and molecular weight are used to express the molecular mass (n),

n = m/\(M_{m}\)

m = n×\(M_{m}\)

m = 201277.708 ×4.0026

m = 805634.154

m = 805.634kg

Consequently, the helium in the blimp weighs 805.634kg.

To know more about ideal gas law visit:

https://brainly.com/question/14082656

#SPJ4

Answer:

The tendency of a dog to bark defines entirely on the type of environment and the situation the dog looks at. Hence the correct answer is option.

Answer:

The mass of the truck is 11,000 Kg.

Explanation:

Mechanical Force

According to the second Newton's law, the net force exerted by an external agent on an object of mass m is:

F = m.a

Where a is the acceleration of the object.

It's given a truck travels at a constant acceleration of \(a=3.6~m/s^2\) when a net force of F=39,600 N is applied.

To find the mass of the truck, solve the equation for m:

\(\displaystyle m=\frac{F}{a}\)

\(\displaystyle m=\frac{39,600}{3.6}\)

Operating:

m = 11,000 Kg

The mass of the truck is 11,000 Kg.

Answer: the answer is D yellow vs red

Explanation: hope this helps

Yellow versus red is not a receptor pair according to the opponent process theory. Hence, option D is correct.

Associated membrane proteins known as paired receptors are mainly expressed on immune cells. Although they have both activating and inhibitory members, they feature extracellular domains with highly conserved amino acid sequences. The immunoreceptor tyrosine-based inhibitory motif (ITIM) is present on inhibitory receptors in the cytoplasm. The immunoreceptor tyrosine-based activation motif is present on the adaptor protein, whereas the activating receptors have short cytoplasmic portions and a positively charged residue (Arg or Lys) in the transmembrane domain to bind with it (ITAM). They are expressed typically on overlapping immune cells and are found in tiny gene clusters on a chromosome.

To get more information about Receptor pair :

https://brainly.com/question/8323440

#SPJ2

Now, we can simplify and calculate the electric flux:
Electric flux = (0.4623 / 8.8542) × (10^−9 / 10^−12) N · m^2 / C
Electric flux =\(52.21 × 10^3 N · m^2 / C\)
Electric flux = \(52.21 × 10^3 N · m^2 / C\)

Therefore, the electric flux through one face of the cube is\(52.21 × 10^3 N · m^2 / C.\)

To calculate the electric flux through one face of the cube, we can use Gauss's law. Gauss's law states that the electric flux through a closed surface is equal to the total charge enclosed divided by the permittivity of a vacuum.

1. Determine the total charge enclosed: In this case, the charge is placed at the center of the cube. Since the cube is symmetrical, the charge is enclosed by one face of the cube. Therefore, the total charge enclosed is 0.4623 nc.

2. Calculate the electric flux: The electric flux is equal to the total charge enclosed divided by the permittivity of a vacuum. The permittivity of a vacuum is given as \(8.8542 × 10^−12 C^2 / (N · m^2).\)

Electric flux = (Total charge enclosed) / (Permittivity of vacuum)
Electric flux = \(0.4623 nc / (8.8542 × 10^−12 C^2 / (N · m\)^2))

To simplify the units, we convert nanocoulombs (nc) to coulombs (C) by dividing by 10^9:
Electric flux\(= (0.4623 × 10^−9 C) / (8.8542 × 10^−12 C^2 / (N · m^2))\)

To know more about calculate visit:

https://brainly.com/question/32553819

#SPJ11

The answer are :

A. Distance = 15.71 m , The displacement = 10 m

B. distance traveled will increase, displacement will decrease

C. The distance = 31.42 m , Displacement = 0

Distance is a scalar quantity, while displacement is a vector quantity. Displacement is the distance travelled in a specific direction.

Given that a child rides a pony on a circular track with a radius of 5 m, after the child has gone halfway around the track

(A)

The distance traveled will be = 2\(\pi\)r / 2

The distance = πr

The distance = 22/7 x 5

The distance = 15.71 m

The displacement = 2r

The displacement = 2 x 5

The displacement = 10 m

(B) The distance traveled will increase as the child completes one circle of the track but the displacement will decrease because the displacement in one cycle of a circular motion is zero since it is a vector quantity.

(C) The distance after a complete circuit of the track = 2πr

The distance = 2 × 22/7 × 5

The distance = 31.42 m

The displacement after a complete circuit of the track will be zero.

That is;

Displacement = 0

Therefore, the distance traveled and the displacement after the child has gone halfway around the track are 15.7 m and 10 m respectively. While the distance and displacement after a complete circle of the track are 31.42 m and 0 respectively.

Learn more about Displacement here: https://brainly.com/question/2109763

#SPJ1

Answer: at the same time

Explanation: in a vacuum, there isnt air, right? so there isnt gravity pushing down on the heavier object, so they will both land at the same time.

good? :)

The wave interaction that can cause a spoon to appear broken in a glass of water is called refraction.

Refraction occurs when a wave, such as light, passes from one medium to another with a different density or refractive index. When light waves travel from air into water, for example, they undergo a change in direction due to the change in speed caused by the difference in optical properties between the two mediums.

In the case of the spoon in a glass of water, the light waves coming from the spoon encounter the air-water interface. As they pass from air into water, they undergo refraction, causing a change in their direction. This change in direction can create an optical illusion where the spoon appears to be bent or broken at the water's surface.

This phenomenon is a result of the bending of light rays as they pass through different mediums with different refractive indices, and it is a common example of how refraction can distort the perception of objects when viewed through different mediums.

To know more about the wave interaction refer here :

https://brainly.com/question/29767263#

#SPJ11

Answer:

All four words are the name of elements.

Hydrogen, oxygen, carbon, nitrogen, calcium, and iron are all important substances found in the body and in environments. They can be combined with each other, and with other substances to form larger compounds.

But i think the answer is nucleic acids..

Explanation:

Well, hope it helps you..

I tried to answer it..

Your welcome in advance..

(◍•ᴗ•◍)

The overestimated distance traveled between t=0 and t=5 is 158 meters.

To estimate the distance traveled, we can use the trapezoidal rule to approximate the area under the curve of the velocity function v(t). The trapezoidal rule divides the interval [0, 5] into subintervals with a width of 1 second and approximates each subinterval as a trapezoid. The formula for the trapezoidal rule is ∫[a,b] f(x) dx ≈ ∑[(i=1 to n)] [f(x_i-1) + f(x_i)] * Δx / 2, where Δx is the width of each subinterval.

Using this formula, we can calculate the overestimated distance traveled:

s ≈ [f(0) + 2f(1) + 2f(2) + 2f(3) + 2f(4) + f(5)] * Δt / 2

≈ [0 + 2(1^2 + 6) + 2(2^2 + 6) + 2(3^2 + 6) + 2(4^2 + 6) + (5^2 + 6)] * 1 / 2

≈ 158 meters.

This provides an overestimate of the distance traveled between t=0 and t=5.

For more questions like Velocity click the link below:

https://brainly.com/question/30559316

#SPJ11

Total units

Cost°

Answer:

about what thing do u need help

I'm here for moral support. Mị học lý tiếng anh chứ không cũng giúp rồi :)))

Answer:

1) Superposition results in adding the two waves together. Constructive interference is when two waves superimpose and the resulting wave has a higher amplitude than the previous waves. Destructive interference is when two waves superimpose and cancel each other out, leading to a lower amplitude.

I'm sorry thats all I can help with

Answer:

Turn off the second drip and then add a barrier with one slit. What do you observe on the right side of the wall? What do you observe on the left side of the wall? From a physics perspective, explain your observations of what is happening on both sides of the barrier.

Explanation:

 The speed and amplitude of the waves are affected when hitting the barrier. The two waves reflect off the barrier and they travel in opposite directions.

A) The triathlete's bike is 50.0 m from the shore on the land   B) the component of her distance from the bicycle along the shore is 70.0 m.

In a triathlon, a triathlete starts with swimming, then biking, and ends with running. Here, we have been given that a triathlete on the swimming leg of a triathlon is 120.0 m from the shore (a). The triathlete's bike is 50.0 m from the shore on land (b).

We need to find the component of her distance from the bicycle along the shore. Component of her distance from the bicycle along the shore In the above set, we can see that the triathlete is swimming in a straight line towards the shore, while the bike is on the land. We need to find the component of her distance from the bicycle along the shore. T

his component is represented by the horizontal distance (d) between the point where the swimmer hits the shore and the bike (50.0 m from the shore).Therefore, the component of her distance from the bicycle along the shore is d = 120.0 m - 50.0 m = 70.0 m. Therefore, the component of her distance from the bicycle along the shore is 70.0 m.

Know more about shore here:

https://brainly.com/question/14704653

#SPJ11

Answer: - North Equatorial Current: Warm current.
              - South Equatorial Current: Warm current.
              - Gulf Stream: Warm current.
              - Canary Current: Cold current.

For one subtropical gyre, there are four main currents: the North Equatorial Current, the South Equatorial Current, the Gulf Stream, and the Canary Current.

1. The North Equatorial Current is a warm current. It flows from east to west across the northern part of the subtropical gyre.

2. The South Equatorial Current is also a warm current. It flows from east to west across the southern part of the subtropical gyre.

3. The Gulf Stream is a warm current. It flows northward along the eastern coast of the United States and eventually becomes the North Atlantic Drift.

4. The Canary Current is a cold current. It flows southward along the western coast of Africa.

So, to summarize:
- North Equatorial Current: Warm current, flows from east to west.
- South Equatorial Current: Warm current, flows from east to west.
- Gulf Stream: Warm current, flows northward along the eastern coast of the United States.
- Canary Current: Cold current, flows southward along the western coast of Africa.

To learn more about four main currents in subtropical gyre:

https://brainly.com/question/32877914

#SPJ11

The correct option is 4.

The process by which the isotope 56Fe decays into the isotope 56Co is beta decay.

The correct option is 4.What is beta decay? Beta decay is a type of radioactive decay in which a beta particle, a positron, or an electron is emitted by the nucleus of an atom. Beta decay is a decay process in which the atomic nucleus emits beta particles, which are high-energy, high-speed electrons or positrons.

In beta decay, a neutron in the nucleus transforms into a proton, causing the emission of an electron and a neutrino in the process. The isotope 56Fe decays into the isotope 56Co by the following beta decay process:56Fe26 → 56Co27 + β−where β- is a beta particle, and it is emitted from the nucleus, resulting in an increase in atomic number Z by one, while atomic mass number A remains unchanged. The daughter isotope is 56Co.

Learn more about isotope visit : brainly.com/question/14220416

#SPJ11

Answer:

C. 25.0%

Explanation:

Radioactive decay of an atom follows the equation:

ln[A] = -kt + ln[A]₀

Where [A] could be taken as an amount of radioactive atom after time t,

k is rate constant = ln 2 / Half-Life = ln 2 / 6hours = 0.1155hours⁻¹

[A]₀ is initial amount of the isotope = 100%

Replacing:

ln[A] = -0.1155hours⁻¹ *12hours+ ln[100%]

ln[A] = 3.2192

[A] = 25.0%

Right solution is:

C. 25.0%

Answer:

The angle of incidence is 39 degrees

Explanation:

We would apply Snell's law which states that the ratio of the angle of incidence to the sine of the angle of refraction is constant. It is expressed as

n1Sinθ1 = n2Sinθ2

Sinθ1/Sinθ2 = n2/n1

where

θ1 is the angle of incidence

θ2 is the angle of refraction

n1 is the refractive index of air

n2 is the refractive index of glass

From the information given,

n1 = 1.6

θ2 = 90

n2 = 1

Thus,

1.6 x Sinθ1 = 1 x Sin90

Sinθ1 = 1Sin90/1.6 = 0.625

θ1 = Sin^-1(0.625)

θ1 = 39 degrees