Referring to the above diagram, how high will the ball rise on the right-hand incline?
0 cm
7 cm
15 cm
no way to tell

Answer: The pattern of colors that repeat in a thin soap film is a result of the interference of light waves reflecting off the front and back surfaces of the film. The specific colors seen are determined by the thickness of the film, with different wavelengths of light being reflected or refracted at different angles, creating the characteristic rainbow pattern.

Answer:

It is not possible to find the square root in such a way

Explanation:

Answer:  The two correct answers are Universe became more dense and universe became less transparent.

Explanation: I took the test  and those are correct

The incorrect statements on the diagram universe became more dense Universe became less transparent.

The universe is the whole cosmic system of matter and energy. The Earth, the Sun, the Moon, the planets, and the stars along with the dust, gases, and rocks form the universe.

The big bang is the theory that explains how the universe began. It says that the universe began with just a single point. It went on expanding and stretched to grow as large as possible. It is still now expanding.

The diagram (attached) illustrates the evolution of the universe, starting from the big bang. Each concentric circle represents a stage in the evolution as stated by the big bang theory.

Thus, the inaccurate statements on the diagram universe became more dense Universe became less transparent.

Learn more about the universe.

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Answer:

A) 9.8m/s this answer is correct.

The acceleration is increasing by 0.9m/s^2 .

so, in each second it will increase by 0.9m/s^2.

Therefore, in 2 second

0.9 * 2

= 1.8m/s

Now,

8 + 1.8

= 9.8m/s

Answer:

C.Electrical energy to heat and kinetic energy

Answer: M = 14.3

Explanation:

Given the following :

Object distance (u) = 32cm

Focal length (f) = 30.1 cm

Magnification = image distance (v) / object distance (u)

Recall ; 1/f = 1/u + 1/v

1/30.1 = 1/32 + 1/v

1/v = 1/30.1 - 1/32

1/v = (32 - 30.1) / 963.2

1/v = 2.1 / 963.2

1/v = 0.0021802

v = 1/0.0021802

v = 458.66666 cm

Therefore, Magnification 'M' = v / u

M = 458.66666 / 32

M = 14.333333

M = 14.3

Answer:

M = -15.8

Explanation:

object distance = 32cm

focal length = 30.1 cm

To find M we first need to find di or image distance

I will use the equation: 1/f = 1/di + 1/do

By changing the equation to 1/f - 1/di = 1/do we get 0.0019725

equation with numbers plugged in:

1/30.1 - (1/32) = 0.0019725

To change 1/do to do we divide 1 by 0.0019725

You should get 506.97

Now use the equation

M = -(di/do)

M = -(506.97/32)

You should get M = -15.8

Answer:

Δy = v₀t + (1/2)gt²

where g = 9.81 m/s if the body is moving downwards and g = -9.81 m/s if the body is moving upwards

Explanation:

The general kinematic equation for horizontal displacement is gives as:

Δx = v₀t + (1/2)at²

Where

Δx = change in the x direction

v₀ = initial velocity

t = time

a = acceleration

If the body is vertically instead of horizontally, Δx is changed to Δy

Δy = v₀t + (1/2)at²

For a vertical moving body, the acceleration it experiences is the gravitational accerelation of the earth 'g'

So the equation becomes:

Δy = v₀t + (1/2)gt²

where g = 9.81 m/s if the body is moving downwards and g = -9.81 m/s if the body is moving upwards

The general kinematic equations of motion for vertical displacement is written as [tex]h = v_0_yt - \frac{1}{2} gt^2[/tex].

The general kinematic equations of motion for vertical displacement is written as follows;

[tex]h = v_0_yt - \frac{1}{2} gt^2[/tex]

where;

Thus, the general kinematic equations of motion for vertical displacement is written as [tex]h = v_0_yt - \frac{1}{2} gt^2[/tex].

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Answer:

16 ohms

Explanation:

V= I ⋅ R

where,  V  is the net potential difference in the circuit,  I  is the current in the circuit and  R  is the net resistance of the circuit.  

In this case,  V = 240  volts,  I = 15  amperes.

240 = 15 ⋅ R  

⇒ R = 240/ 15 = 16  ohms

Answer:

b-16ohms

Explanation:

If you are using online learning/PLATO the answer is proven to be B-16 ohms

Answer:

2.4

Explanation:

48,000/8000=6

square root of 6 = 2.44948974278

so 2.4

AnswerB.2.4m/s

Explanations;

24000=1/2×8000×v^2

24000/4000=v^2

√ 6.=v

v=2.4

That statement is false. It's exactly the opposite direction.

In circular motion, the "centripetal" force ... and therefore the centripetal acceleration ... points TOWARD the center.

Answer:

False

Explanation:

Took The Quiz

Answer: D) 3.2 × 10^8

Explanation: Insulators are best described as materials which are poor conductors of electricity and hence do not allow passage of electricity through them. Resistivity are hence used to describe property or characteristic of a material which does not allow the flow or passage of electric current.

In summary, materials which high resistivity values are referred to as Insulators. Conversely, those with low resistivity or high conductivity values are called conductors while those with intermediate values are named semiconductors.

In the question given above, the material with a resistivity value of 3.2 × 10^8 - - - has a very high resistivity value (320000000Ω), the other options given have very low resistivity values ; 0.0000000017, etc and are most likely to be conductors due to their excessively low resistivity values.

The correct answer is B) Giving Congress the power to create courts

Explanation:

One of the principles the Constitution mentions in the preamble is Justice, this is mentioned in "We the people of the United States, in order to form a more perfect union, establish justice..." According to this, a priority is to make the country have justice, which is possible through courts, laws, among others. In this context, the action that would be allowed is "Giving Congress the power to create courts" because this might ensure the justice principle is applied in the U.S.

Answer:

510

Explanation:

Power= Rate of doing work i.e work done\time

=force*displacement\time

=mass*g*d\t

=51*10*5/5

=510watt

Answer:

7/150

Explanation:

The following data were obtained from the question:

Object distance (u) = 75cm

Image distance (v) = 3.5cm

Magnification (M) =..?

Magnification is simply defined as:

Magnification (M) = Image distance (v)/ object distance (u)

M = v /u

With the above formula, we can obtain the magnification of the image as follow:

M = v/u

M = 3.5/75

M = 7/150

Therefore, the magnification of the image is 7/150.

Answer:

-0.0466

Explanation:

Answer:

True

Explanation:

This is a fundamental concept in physics dealing with the nature of waves where when the waves collide with a barrier such as wall or some form of surface will reflect at an angle equal to the angle of incidence.

Answer:

The correct option is:

B) Kinetic Energy

Explanation:

We know that if a body is placed at a certain height, it possesses Potential Energy, which is represented by 'mgh'. In this case, when the skydiver is present in the plane, before jumping, he has potential energy as he is at height 'h'.

As Kinetic energy is given as '(1/2)mv²' dependent on velocity of the object, when the skydiver jumps of the plane, his height starts decreasing, which decreases his Potential Energy. As energy can neither be created or destroyed, but is converted to one form or another, all this Potential energy starts to convert into Kinetic energy. As Potential Energy decreases with distance, Kinetic energy increases. Hence, line B represents Kinetic Energy.

Answer:

D. 24 m

Explanation:

Running up - velocity     + 30 m/min

Escalator 's moving down  velocity   - 24 m/min

Sum velocity (30 - 24) = 6 m/min

6 m/min * 4 min = 24 m

Answer:

Explanation:

Formula for calculating radius is

r=.529A x n^2 where A=10^-10m

So put n=1,2,3,4............

Answer:

force

Explanation:

Answer:

force

Explanation:

Answer:

It increases the time it takes for the person to stop.

Explanation:

Answer:

It increases the time it takes for the person to stop.

Explanation:

Answer:

1. Possibility of all life being wiped out

2. Ecosystem being imbalanced.

3. Loss of one species triggers the lost of others as the food chain will collapse.

Answer:

a

Explanation:

Answer:

F

Hope it helps you!

Answer: Extinction

Explanation: Extinction simply means cessation. A condition whereby an action or behavior exhibited by an individual or organism eventually stops. In psychological parlance, extinction is usually attributed to the discontinuance of a certain behavior usually due to non - reinforcement or eventual absence of the conditioned stimulus.

In the scenario above, the point at which Mary stopped sneezing is called extinction which is due to the removal of the cat which is the cause of Mary's sneezing behavior.

[tex]\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the Wave Optics.

Whenever the waves are out of phase they form a DESTRUCTIVE interference.

thus,

Destructive Interference occurs when two waves are out of phase.

Answer: force = mass x accelegation

Explanation: 15x3 = 45 N

Answer:

A

Explanation:

Answer:

1  

Explanation:

To satisfy the Octet Rule, Carbon needs 4 more valence electrons. Since each Oxygen atom has 3 lone pairs of electrons, they can each share 1 pair of electrons with Carbon; as a result, filling Carbon's outer valence shell

Answer:

The Answer Is 4!!

Explanation:

Hope This Helps:)))

Answer:

B

Explanation:

If  the pilot, who has a mass of 80 kg, decides to eject from the airplane. With the reduced total mass,then the new approximate acceleration of the airplane will be 5.2 m/s²

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The mathematical expression for Newton's second law is as follows

F = m*a

where F represents the force applied

m is the mass of the object

a is the acceleration of the object

The initial acceleration of an airplane with a total mass of 850 kg has an engine malfunction, causing it to provide a constant horizontal force of 4000 N.

F =m*a

4000 N = 850×a

a= 4.7 m/s²

An acceleration of airplane when the pilot, who has a mass of 80 kg, decides to eject from the airplane. With the reduced total mass,

the horizontal force is the same 4000 N, now the total reduced mass the airplane is 770 kg

F =m*a

4000 =770×a

a = 5.2 m/s²

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Answer:

D

Explanation:

The correct answer would be in the axle of the wheels while you ride your bicycle.

Options A, B, and C requires that the forces of friction is increased in order to have more control.

However, option D requires that there is a minimal frictional force in the axle of the wheels of a bicycle while riding so that a little effort would be required to keep the bicycle moving.

The lesser the friction, the lower the effort that would be needed to keep the bicycle moving and vice versa.

Answer:

Data is pieces of information recorded in an experiment because data are individual pieces of factual answer recorded and used for the analysis

Explanation:

I hope this will help you :)