Discuss consequences and application of expansion

Answer:

It would be 0.5 millimeter !

Explanation:

1 cm is equal to 10 mm. You'll just need to move the decimal point over ! :))

Answer:

5.00 × 10^14 Hz

Explanation:

The wavelength of the light in the medium can be calculated by using the formula:

λ = v / f

Where;

λ = wavelength (m)

v = speed of light

f = frequency (Hz)

From the provided information, λ = 600 nm (600 × 10^-9m), v = 3 × 10^8m/s.

λ = v / f

λ = 3 × 10^8/600 × 10^-9

λ = 0.005 × 10^(8+9)

λ = 0.005 × 10^17

λ = 5.00 × 10^14 Hz

The frequency of the light in the medium is 5.00 × 10^14 Hz

Answer:

your answer should be c

Answer:

D.the branch that deals with the relations of organisms to one another and to their physical surroundings

Answer:

<7

Explanation:

This is a reaction between a steong acid and a weak base which produces a acidic salt at equvalence point. Hence pH is less than 7

When a bulb is added in parallel to a circuit with a single bulb, the total resistance of the circuit decreases.

In a parallel circuit, each component (bulb) has its own separate path for the current to flow. When another bulb is added in parallel, it provides an additional pathway for the current to pass through. This increases the total current flowing through the circuit.

According to Ohm's Law (V = IR), the current (I) is inversely proportional to the resistance (R). As the total current increases in a parallel circuit, the overall resistance decreases.

Therefore, when a bulb is added in parallel to a circuit with a single bulb, the resistance of the circuit decreases.

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--The question is incomplete, the complete question is:

"When a bulb is added in parallel to a circuit with a single bulb, the resistance of the circuit:

a. remains the same

b. decreases

c. increases

d. triples"--

Answer: find the answer in the explanation

Explanation:

The capillarity of water molecules is different from the mercury molecules.

What is capillarity ?

This is the tendency of a liquid substance to rise in a capillary tube.

Molecules water rises up in a harrow tubes because of the force of adhesion between the water molecules and the tube molecules is greater than the force of cohesion between the water molecules. This helps water to wet the tube and rise. While mercury which is also a liquid falls in a narrow tubes to level below the outside surface because the force of cohesion between the mercury molecules is greater than the force of adhesion between the mercury molecules and the tube molecules. Mercury does not wet.

Threshold 1 and Threshold 2 Accelerated Remitters will receive a PD7A-AR CRA Statement of Account. Option B is correct.

The CRA Statement of Account that would be received by Threshold 1 and 2 accelerated remitters is PD7A-AR.

CRA Statement of Account. The CRA statement of account is a statement of your account with the Canada Revenue Agency (CRA) which shows the balance owed or the credit available to you. CRA account statements can be used to check your account balance, view transactions, and payments made towards your balance.

In conclusion, Threshold 1 and 2 accelerated remitters receive a PD7A-AR CRA Statement of Account.

Therefore, Option B is correct.

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If the fish in the aquarium are accelerating upwards with an acceleration a, then the buoyant force acting on the fish will decrease. The buoyant force is given by:

B = ρVg

where ρ is the density of water, V is the volume of the fish, and g is the acceleration due to gravity.

If the fish are accelerating upwards with an acceleration a, then the buoyant force will be reduced by an amount equal to the product of the mass of the fish and the acceleration:

B' = ρVg - ma

where m is the mass of the fish.

The weight of the fish is given by:

W = mg

where g is the acceleration due to gravity.

The net force acting on the fish is given by:

F_net = W - B'

Substituting the expressions for W and B', we get:

F_net = mg - (ρVg - ma)

Simplifying, we get:

F_net = (m - ρV)a

Since the fish are accelerating upwards, the weighing machine will register a lower weight for the aquarium and its contents. The weight measured by the weighing machine is given by:

W_measured = (m - ρV)g

If the acceleration of the fish is a, then the net force acting on the aquarium and its contents is given by:

F_net = (m - ρV + ρV_fish) a

where V_fish is the total volume of the fish in the aquarium.

The weight measured by the weighing machine will be reduced by an amount equal to the product of the mass of the fish and the acceleration:

W_measured' = W_measured - m_fish a

where m_fish is the total mass of the fish in the aquarium.

Therefore, the correct option is:

The weight measured by the weighing machine will decrease by an amount equal to the product of the mass of the fish and the acceleration of the fish.

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The required amount of heat energy lost in a system when surroundings performed certain amount of work and when internal energy is increased is  calculated to be - 30 kJ.

Given that,

Work done on the system w = 75 kJ

Internal energy ΔU is increased by 45 kJ

Heat energy q lost or gained by the system = ?

From the first law of thermodynamics, mathematically, expression can be written as, ΔU = q + w

q = ΔU - w = 45 kJ - 75 kJ = - 30 kJ

The negative sign indicates that the heat energy is lost.

Thus, the amount of heat energy lost in the system is - 30 kJ.

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Answer:

.

Explanation:

Answer:

do sports eg skipping rope, playing basketball, badminton etc. in other words, activities that involve jumping

To set up a good experiment to test whether hypothesis H is true or not, try to get evidence E such that there is as big a difference between P(E | H) and P(E | ~H) as possible. This means the correct option is d.

For a good experiment to test whether hypothesis H is true or not, it is necessary to gather the right evidence. This evidence should be such that there is as big a difference between P(E | H) and P(E | ~H) as possible.

P(E | H) and P(E | ~H) are the conditional probabilities of evidence E given hypothesis H and evidence E given not-H respectively. The difference between these two probabilities measures how well evidence E supports hypothesis H versus not H.

For example, suppose we want to test the hypothesis H: All dogs bark. To get evidence that there is as big a difference between P(E | H) and P(E | ~H) as possible, we can test this hypothesis by taking two groups of dogs. One group is the dogs that bark (group A) and the other group is the dogs that don't bark (group B).

Then, we can get evidence E, which is the number of dogs in group A that bark and the number of dogs in group B that bark. Using this evidence, we can calculate the conditional probabilities of evidence E given hypothesis H (P(E | H)) and evidence E given not-H (P(E | ~H)).

Finally, we can calculate the difference between P(E | H) and P(E | ~H). If this difference is large, then the evidence supports hypothesis H more than not H.

To set up a good experiment to test whether hypothesis H is true or not, it is necessary to gather the right evidence. This evidence should be such that there is as big a difference between P(E | H) and P(E | ~H) as possible.

For example, suppose we want to test the hypothesis H: All dogs bark. To get evidence that there is as big a difference between P(E | H) and P(E | ~H) as possible, we can test this hypothesis by taking two groups of dogs. One group is the dogs that bark (group A) and the other group is the dogs that don't bark (group B).

Then, we can get evidence E, which is the number of dogs in group A that bark and the number of dogs in group B that bark. Using this evidence, we can calculate the conditional probabilities of evidence E given hypothesis H (P(E | H)) and evidence E given not-H (P(E | ~H)).

Finally, we can calculate the difference between P(E | H) and P(E | ~H). If this difference is large, then the evidence supports hypothesis H more than not H.

Hence, it is important to get evidence that has a significant difference between P(E | H) and P(E | ~H) to set up a good experiment to test whether hypothesis H is true or not.

It is necessary to gather the right evidence to set up a good experiment to test whether hypothesis H is true or not.

Evidence E should be such that there is as big a difference between P(E | H) and P(E | ~H) as possible. The difference between these two probabilities measures how well evidence E supports hypothesis H versus not H. Therefore, option d is the correct answer.

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Answer:

The functionality of a body can be restored with the help of appropriate flexibility and strengthening. Once everything is in place, you can exercise those muscles specifically for balance to put them to the test. Your body may then adjust, improving your general stability as you get better at completing those activities.

Answer:

The stability of an object is increased when the lower the centre of gravity is.

So we should try to lower the centre of gravity.

Answer:

6

Explanation:

Answer:

6 m/s

Explanation:

Velocity = Distance/Time

              = 84 meters/14 seconds

              = 6 m/s

Hope this helps! :)

The amount of gravitational force that acts on a space vehicle while in earth orbit is almost zero but not absolute zero.

There is no ground force or opposing natural force to gravity.

Because the earth is not a perfect sphere, the value of "g" is lowest at the equator. At the equator, its radius is at its largest. Thus, the equator is the location where g will be smallest according to the equation

g = GM/R2.

All items in the planet's gravitational field will be lost in space if gravity abruptly vanishes. We would experience levity. Essentially, if gravity is equal to zero, then there will be no acceleration caused by gravity.

Astronauts can float within their spaceship or outside during a spacewalk in microgravity. Moving heavy stuff is simple. Astronauts, for instance, can merely use their fingertips to manipulate machinery weighing hundreds of pounds.

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The correct answer is 70 meter displacement in the east.

Let's assume that he departs from point O and follows the path ABC.

The man's displacement will be revealed if we join the start and end points of the path he took.

O's distance from A is 40 meters.

70 meters separate A and B.

From B to C, it is 40 meters.

Distance from B to C equals the distance between O and A.

We're looking for the displacement, which is the separation between points O and C.

The opposing sides of a rectangle are equal. Hence A to B is separated by the distance from O to C.

Distance from A to B equals displacement.

70 meter displacement in the east.

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If a planet is opaque to visible light but transparent at infrared wavelengths, several consequences can be observed regarding its atmosphere:  heating,greenhouse Effect,  temperature gradients, Albedo Effect.

Several consequences can be observed regarding its atmosphere are :

In summary, a planet that is opaque to visible light but transparent at infrared wavelengths will experience efficient cooling through infrared radiation escaping into space. However, the presence of greenhouse gases can trap and re-emit some of the infrared radiation, leading to heating and the potential for a greenhouse effect. This interplay between radiative cooling and greenhouse heating can result in distinct temperature gradients within the planet's atmosphere.

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Answer:

90 west

Explanation:

ke = 1/2mv^2

1/2*20*3^2

10*9

90

During photosynthesis, light energy is converted into an electron flow in the reaction center chlorophyll.

Photosynthesis can be defined as a biological and chemical process through which green plants (autotrophs) convert light energy (sunlight) into chemical energy.

In Science, photosynthesis is represented by the following chemical reaction:

\(Carbon \;dioxide + water + light energy \rightarrow sugar + oxygen\)

In conclusion, the electrons found within the pigment molecules are excited by visible light, which is then converted into an electron flow in the reaction center chlorophyll.

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According to the question the radius of the sphere of 235U is 17.4cm

Power is the ability to influence or control the behaviour of people, events or resources. It is the capacity to make decisions, take actions and accomplish goals. It can be seen as a form of energy that can be employed in both positive and negative ways. Power can be used to create positive change or to manipulate and oppress people.

A 1000-MW power plant requires 1.86e15 J of energy every day. This energy is provided by the fission of uranium-235, where the energy released per fission is around 200 MeV.
Therefore, to operate a 1000-MW power plant for one day, the amount of 235U needed is:
1.86e15 J / (200 MeV/fission) x (1 fission/235U) = 9.3e14 235U atoms
The mass of 9.3e14 235U atoms is:
9.3e14 atoms x 235 g/mol x (1 mol/6.02e23 atoms) = 8.1e7 g
This means that 8.1e7 g of 235U is needed to operate a 1000-MW power plant for one day.
To answer the second part of the question, if the density of 235U is 18.7 g/cm3, the sphere of 235U can be calculated using the formula:
Volume = (Mass / Density)
Therefore, the volume of the sphere of 235U is:
Volume = (8.1e7 g / 18.7 g/cm³) = 4.3e5 cm³
The radius of the sphere can then be calculated using the formula:
Radius = \((3 Volume / 4\pi)^{(1/3)\)
Therefore, the radius of the sphere of 235U is:
Radius = \((3 \times 4.3e5 cm^3 / 4\pi)^{(1/3)} = 17.4 cm\)

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The event that causes the least amount of time to go by on the game clock is a free throw.

In conclusion, the event that causes the least amount of time to go by on the game clock is a free throw.

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Answer:

156.26N

Explanation:

The data needed are incomplete. Let the acceleration of the body be 3.5m/s²

Other given parameters

Mass = 1.35×10^1 = 13.5kg

coefficient of friction between the tires and the road = 0.850

Acceleration due to gravity = 9.8m/s²

According to Newton's second law:

Fnet = ma

Fnet = Fapp - Ff

Fapp is the applied force

Ff is the frictional force = umg

The equation becomes:

Fapp - Ff = ma

Fapp-umg = ma

Fapp - 0.85(13.5)(9.8) = 13.5(3.5)

Fapp - 109.0125 = 47.25

Fapp = 47.25+109.0125

Fapp = 156.2625N

Hence the applied force that caused the acceleration is 156.26N

Note that the acceleration of the car was assumed. Any value of acceleration can be used for the calculation.

Answer:

A. True

Explanation:

We are talking about motion of solid, liquid and gas particles.

Now, for gas particles, due to the fact that it's particles are far apart from one another, it usually vibrates and thus moves freely at speeds that are higher than those of liquids of solids. For liquids, their particles are not as far apart as those of gases and so they vibrate, move about, and then slide past each other while solids are the most densely packed and so they vibrate but do not move from one place to the other like gases and liquids.

Thus, we can see that particles of liquid are more closely packed than gases and as such don't have same movement speed.

The correct option is A, The energy is converted to generating sound and heating the floor, rock, and surrounding air.

Energy refers to the property of an object or system that allows it to do work. Work is defined as the application of a force over a distance, and energy is required to accomplish this. Energy can exist in many forms, such as mechanical, thermal, electromagnetic, chemical, and nuclear.

The two main types of energy are kinetic energy and potential energy. Kinetic energy is the energy that an object possesses due to its motion, while potential energy is the energy that an object possesses due to its position or configuration. Energy is conserved, meaning that it cannot be created or destroyed but can only be transformed from one form to another. This is known as the law of conservation of energy,

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Complete Question;

A rock held above the ground has capacity power. because the rock falls, this capacity energy is transformed into kinetic power. eventually, the rock hits the floor and stays there. what has come about with electricity? organization of solution picks

A). The power is going to generate sound and heat the floor, rock, and surrounding air.

B). it is transformed lower back into a gravitational potential strength.

C). The rock maintains the power inner it in the form of mass energy.

D). The power is going into the ground, and as a result, the orbit of the Earth across the sun is slightly modified.

Answer:

predict the genotypes of a particular cross or breeding experiment

Explanation:

Answer:

A.

Explanation:

Answer:

8 × the gravitational attraction

Explanation:

Hope this helps. :)

Answer:

Explanation:

A centripetal force is a force that makes a body follow a curved path,

its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center

                                                 The centripetal force acts upon an object moving in a circle at constant speed,The force always acts inward,

This  means that the force is always directed perpendicular to the direction that the object is being displaced

Example: As a car makes a turn, the force of friction acting upon the turned wheels of the car provides centripetal force required for circular motion.

The period of oscillation of a spider hanging on a silk thread, tapped once every second, is one second.

What is the period of oscillation of a spider hanging on a silk thread when tapped once every second?

The time it takes for one complete up-and-down motion of the spider on the silk thread is called the period of oscillation, denoted by T. We know from the problem statement that the spider has the largest amplitude on its bungee cord when tapped exactly once every second.

If the tapping is done exactly once every second, then the spider is experiencing a periodic force with a frequency of 1 Hz. In this case, the period of oscillation T is equal to the reciprocal of the frequency, which is:

T = 1/f = 1/1 Hz = 1 second

Therefore, the spider completes one full oscillation (i.e., up-and-down motion) every second.

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Part 1: The initial horizontal component of the momentum of the shotput is 95.47 kg·m/s. Part 2: The initial vertical component of the momentum of the shotput is 55.11 kg·m/s.

Part 1: The initial horizontal component of the momentum of the shotput can be determined by multiplying its mass by its initial horizontal velocity. Since the shotput is released at an angle of 35.0 degrees above the horizontal, we need to find the horizontal component of the velocity. We can do this by multiplying the initial velocity by the cosine of the angle. Therefore, the initial horizontal component of the momentum is given by: mass x velocity x cos(angle) = 7.40 kg x 16.0 m/s x cos(35.0 degrees).

Part 2: The initial vertical component of the momentum of the shotput can be determined by multiplying its mass by its initial vertical velocity. Similarly, we can find the vertical component of the velocity by multiplying the initial velocity by the sine of the angle. Therefore, the initial vertical component of the momentum is given by: mass x velocity x sin(angle) = 7.40 kg x 16.0 m/s x sin(35.0 degrees).

Calculating the actual numerical values requires plugging in the appropriate values for the angle (35.0 degrees) and performing the calculations.

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