what would happen to the distances between bright spots (intensity maxima) on the screen if the spacing between the slits is doubled?

The answer to this question is that the electric charge of magnesium (222) is greater than the electric charge of potassium (111). This can be expressed as follows: 222 > 111

This inequality is correct because it represents the fact that the electric charge of magnesium is greater than the electric charge of potassium. Electric charge is a fundamental property of matter, and it determines how objects interact with each other. It is measured in units of Coulombs (C) and can be positive or negative, depending on the type of charge. In the case of magnesium and potassium, both elements have a positive charge due to the loss of electrons. The magnitude of the charge, however, is different for each element.

Magnesium has a higher charge than potassium, which means it will interact differently with other elements and compounds. This difference in charge is important in many chemical reactions and has important implications in fields such as materials science and electrochemistry.

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Answer:

11.77s

Explanation:

Given parameters:

Distance covered = 100m

Speed  = 8.5m/s

Unknown:

Time taken to complete this race  = ?

Solution:

To solve this problem,

    Average speed  = \(\frac{distance}{time }\)  

 Time taken  = \(\frac{distance }{average speed}\)  

  Time taken  = \(\frac{100}{8.5}\)    = 11.77s

Answer:

sign of the other charge is -ve

Answer:

Crude oils

Explanation:

The correct word should be crude oils.

Crude oil is a non-renewable resource that is geologically formed and found deep in the ground. It is a naturally occurring mixture of hydrocarbons and usually fractionated to serve different purposes for the use of man. Crude oils are non-renewable because the rate at which humans exploit them is quite faster than the rate at which they are being naturally replenished deep in the ground.

Answer:

I know I'm late but...

Explanation:

A mixture is the combination of two or more substances together. And I'm pretty sure that a mixture has no chemical substances. And mixtures can be physically separated.

Hope this helps you!

Stay safe and have a wonderful day/night!! :)

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The can collapses because of the difference in air pressure between the inside and outside of the can and the decrease in air pressure inside the can caused by the condensation of the steam.

Here when the teacher cools the can, some of the steam turns back into water, and as a result, the air pressure inside the can decreases. The reason for this is due to the collisions as when the steam condenses back into water, due to a decrease in the air pressure,

Hence, the can collapses because of the difference in air pressure between the inside and outside of the can and the decrease in air pressure inside the can caused by the condensation of the steam.

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Answer:

U^U

Explanation:

Two-dimensional vectors have two components: an x vector and a y vector. Each of these vector components is a vector in the direction of one axis. The sum of the components of vectors is the original vector. Three-dimensional vectors have a z component as well.

Answer: freezing: the process by which a liquid becomes a solid

boiling: the process by which a solid becomes  a liquid

evaporation: vaporization that occurs below the surface of a liquid

sublimation: the process by which a solid becomes  a gas

melting:  the process by which a solid becomes  a liquid

Explanation:

Freezing can be defined as the change of a matter from liquid to a solid state.

Boiling can be defined as the change of matter solid to a liquid due to the application of heat energy.

Evaporation can be defined as the change in which a liquid is changed to gas when heat is applied on the liquid.

Sublimation can be defined as a change of a solid directly into gas without solid being changed into liquid because the solid particles gain enough energy to be changed into gas.

Melting can be defined as the change in the solid form into liquid form.

Answer:evaporation: vaporization that occurs at the surface of a liquid

Melting: the process by which a solid becomes a liquid

Boiling: vaporization that occurs below the surface of a liquid

Freezing: the process by which a liquid becomes a solid

Sublimation: the process by which a solid becomes a gas

Explanation:

The acceleration produced by a total force of 165 N on a mass of 4.50 kg is 36.67 m/s²

The acceleration produced by a force can be determined using Newton's second law of motion, which states that the acceleration (a) of an object is directly proportional to the net force (F) acting on it and inversely proportional to its mass (m). Mathematically, it can be expressed as:

a = F / m

Given that the total force (F) is 165 N and the mass (m) is 4.50 kg, we can substitute these values into the equation to calculate the acceleration:

a = 165 N / 4.50 kg

a ≈ 36.67 m/s²

Therefore, the acceleration produced by the total force of 165 N on a mass of 4.50 kg is approximately 36.67 m/s².

This means that for every kilogram of mass, the object will experience an acceleration of 36.67 m/s² in the direction of the net force. Acceleration measures the rate of change of velocity, indicating how quickly an object's velocity is changing under the influence of the applied force. In this case, the larger the force or the smaller the mass, the greater the acceleration will be.

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Answer:

Mostly real

Explanation:

Concave mirrors can have real images.

“ If the object is further away from the mirror than the focal point, the image will be upside-down and real meaning that the image appears on the same side of the mirror as the object.”

The image produced by a concave mirror is  virtual or real.

When a hollow sphere's inside surface serves as the reflecting surface and the cut part's outside is painted, the result is a mirror. The term "concave mirror" refers to this kind of mirror.

Concave mirrors have certain characteristics.

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A spring-loaded ballistic cart is in contact with a second cart. The velocity of the other cart is 0.25 m/s.

When there is no external force acting on the system, the initial momentum is equal to the final momentum.

Momentum is equal to the product of mass and its velocity.

According to the conservation of linear momentum,

m₁v₁ +m₂v₂ = m₁u₁ +m₂u₂

u and v represents the initial and final velocity. 1 and 2 represents the first and second cart.

Given is m₁ = 0.5 kg, m₂ =0.8kg, u₁ =u₂ =0 m/s and v₁ = 0.4 m/s.

Substituting the values in the conservation of momentum equation, we get the velocity of second cart is

0.5 x 0.4 + 0.8 x v₂ = 0.5 x 0 + 0.8 x 0

v₂ = +0.25 m/s (in the direction of first cart)

Thus,  the velocity of the other cart is 0.25 m/s.

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The probability that the region has no rain drops in a given 3-second time interval is approximately 0.67%.

The distribution that can be used for the number of raindrops hitting a particular region measuring 5 inches in t minutes is Poisson distribution. It can be used as Poisson distribution is used to model the number of events occurring in a fixed interval of time or space where the average rate of occurrence is known. In this case, the average rate of occurrence is 20 drops per square inch per minute. Poisson distribution assumes that the events are independent and randomly occurring.

To compute the probability that the region has no rain drops in a given 3-second time interval, we will use the formula for Poisson distribution.

Poisson distribution formula: P(x) = ((e^-λ) * (λ^x))/x!

where, λ is the average rate of occurrence, x is the number of occurrences, e is Euler's number (approximately equal to 2.71828), and x! is the factorial of x.

Let's assume that the given 3-second time interval can be converted into minutes as follows.

t = 3 seconds/60 seconds = 1/20 minutes

The average number of raindrops hitting a particular region measuring 5 inches in t minutes is

λ = rate * area * time= 20 drops per square inch per minute * 5 square inches * 1/20 minutes= 5 drops

The probability that the region has no rain drops in a given 3-second time interval:

P(0) = ((e⁻⁵) * (5^0))/0!P(0) = e⁻⁵.P(0) = 0.0067 or 0.67%

Therefore, the probability that the region has no rain drops in a given 3-second time interval is approximately 0.67%.

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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.

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Answer:

ke = 0.5 x m x v^2

Explanation:

To increase the temperature of a 100 g block of lead by 5.00 °C, the amount of heat required can be calculated using the specific heat of lead. The correct answer is 15.3 cal (option a).

The amount of heat required to increase the temperature of a substance can be calculated using the formula:

Q = m * c * ΔT

where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

In this case, we have a 100 g block of lead with a specific heat capacity of 0.0305 cal/g.°C and a temperature change of 5.00 °C. Plugging these values into the formula, we get:

Q = (100 g) * (0.0305 cal/g.°C) * (5.00 °C) = 15.3 cal

Therefore, 15.3 cal of heat are required to increase the temperature of the 100 g block of lead by 5.00 °C. This corresponds to option a) 15.3.

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331.83 watts

The power is calculated using the formula:

Power = Work / Time

where Work = Force * Distance , therefore:

Power = Force * Distance / Time

Power = Force * Velocity

Converting the velocity in units of m/s:

Velocity = (5km / h) (1000m / km) (1h / 3600s)

Velocity = 1.39 m/s

The force is equal to the y-component of the hikers weight:

Force = Wy * g = W * sin θ * g

Let us first find the angle θ. By definition the slope is equivalent to:

slope = tan θ = ratio of vertical and horizontal distance

tan θ = 0.09

θ = 5.14˚

Therefore, Force = 68 kg * sin(5.14˚) * 9.8 m/s^2

Force = 666.4 * sin (5.14) = 59.73 N

Calculating for power:

Power = 59.73 N * 1.39 m/s = 82.96 W

Since the hikers efficiency is 25%, to determine the metabolic power:

Power = 82.96 W / 0.25 = 331.83 watts

What is efficiency?

Effectiveness is the capability to avoid wasting accoutrements , energy, sweats, plutocrat, and time while doing commodity or producing a asked result. In a broader sense, it's the capability to do effects well, successfully, and efficiently. Deborah Stone defines effectiveness as" As a result, it isn't a thing in and of itself. It's commodity we want not for its own sake, but because it allows us to gain further of the effects we value."

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Answer:

The tree population would greatly increase. Deers eats young/growing trees influencing tree regeneration, so no deer = more trees

Explanation:

Answer:

If we get rid of deer then the population of trees increases bcz deer are only animal which eats only trees Nd bushes.

Explanation:

If we get rid of deer then the population of trees increases bcz deer are only animal which eats only trees Nd bushes.

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Answer:The fastest recorded human footspeed was recorded between 60 and 80m in Bolt's world record 9.58-second 100m final in Berlin in 2009. Bolt was clocked at 44.72km/h, which is 27.8mph. The Jamaican covered the distance between 60-80m in a time of just 1.61 seconds

Explanation:

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The image of G for a dilation with center 0 0 is G(1,-3).

Dilation is the process of changing the size of an object or shape by shrinking or enlarging its dimensions by some factor. For example, a circle with a radius of 10 units will shrink to a circle with a radius of 5 units. Applications of this method are used in photography, crafts, creating logos, etc. Geometry has four basic transformation types.

Point G lies 1 on the X-axis and -three on the Y-axis.

when the size component is 1, the photograph stays similar to its pre-image.

Dimensions of the authentic plotted factor x Scale thing = Dimensions of

the brand new plotted factor

(1,-3) x1 = (1,-3).

After the dilation, pre-photograph image has gone through the transformation

the subsequent way. G(0,0)→ G(1,-3)

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Answer:

i would like some more explanation i dont understand the question enough

Explanation:

Answer:

Its D.

Explanation:

Answer:

Yes your correct.

Explanation:

Reverberation, in psychoacoustics and acoustics, is a persistence of sound after the sound is produced

Explanation:

I think it is right hope its helps

Answer:

D. A single sound undergoes several reflections due to multiple reflecting surfaces.

Explanation:

Sometimes, the source of a sound is surrounded by multiple reflecting surfaces. The waves traveling from the source strike these different surfaces, causing multiple reflections. For example, a single clap of thunder reflects on several clouds and the earth's surface, causing you to hear a rolling rumble instead of a single sound.

When you decrease the distance to the nut, the lever arm also decreases. Hence the correct option is "It decreases".

This is because the lever arm is the perpendicular distance between the axis of rotation and the line of action of the force. In this case, the axis of rotation is the nut and the force is applied at a point closer to the nut. As the distance between the force and the nut decreases, the lever arm also decreases.

This relationship between distance and lever arm is important in understanding how levers work. A longer lever arm allows for greater torque or rotational force to be applied with the same amount of force. Conversely, a shorter lever arm requires more force to generate the same amount of torque. By decreasing the distance to the nut, you are effectively shortening the lever arm and therefore reducing the torque that can be applied.

Understanding the relationship between distance and lever arm can be useful in a variety of contexts, such as in engineering, physics, and even sports. It can help in designing more efficient machines or in understanding how to optimize physical movements for maximum performance.

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Skeletal muscle tissue, connective tissue, nerve tissue, and blood or vascular tissue make up each muscle and organ. Thus, any form of tissue may be found in the muscular system.

The muscular system is made up of cells with particular functions called muscle fibers. Its primary trait is its capacity to contract. Things are moved by muscles that are connected to blood vessels, internal organs, or bones. Almost all body movement is primarily caused by muscle contraction. The whole skeletal muscle is a component of the muscular system.

The bulk of the organs that make up muscles are muscle cells, also known as muscle fibers or monocytes (primarily in skeletal and cardiac muscle) (mainly in smooth muscle).The muscles around the stomach help food move through the digestive system by contracting and pushing food to the small intestine through a process known as peristalsis.

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Answer:

(i) How deep is the well (Height)

=> t = √(2H/g)

=> √2H = t × g

=> 2H = t² × g²

=> 2H = (2.60)² × (10)²

=> 2H = 6.76 × 100

=> 2H = 676

=> H = 676 ÷ 2

=> H = 338 m

(ii) speed of the stone:

=> v = √(2Hg)

=> v = √(2 × 338 × 10)

=> v = √6760

=> v = 26√10 m/s

Answer:

Q = N e     total charge passing point

Q = 2.0E20 * 1.6E-19 coul = 32 coulombs

2)    I = Q / t = 32 C / 60 s = .53 amps

3)   R = V / i = 12 volts / .53 amps = 23 ohms

Answer: B

Explanation: positive and negative charges attract each other and get stronger as they get closer

The confidence interval for the given sample will be 15±1.711.

The confidence interval for the given sample will be 15±1.711.

To find the answer, we have to know about the confidence interval.

                           \(C= X+t (\frac{d}{\sqrt{n} } )\\ or \\C= X-t (\frac{d}{\sqrt{n} } )\)

t-value for the chosen confidence level, X is the sample mean, d is the standard deviation, and n is the sample size.

                        \(C=15+1.711(\frac{5}{\sqrt{25} } )=15+1.711\\or\\C=15-1.711\)

Thus, the confidence interval for the given sample will be 15±1.711.

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Answer:

D) 1414 nm

Explanation:

This is correct on Edge.

Using the equation dsin(angle)=n(wavelength), we can solve for wavelength.

First we must convert the 500 lines per mm to nm. We do this by 1/500, giving you 0.002. Then move the decimal over six places to the right, resulting in 2000.

Then by plugging in the other values, we have 2000sin(45)=1(wavelength).

N is one because we are just solving for a first-order band.

So 2000sin(45)=wavelength

By using a calculator, we can see that the wavelength equals approximately 1414nm.

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Answer:

1414

Explanation:

took the test :)