Venus is located between the planets
Saturn and Earth
Mercury and Earth
Earth and Mars
Mars and Saturn

Answer:

distance

Explanation:

Answer:

Efficiency

Explanation:

[tex]\eta=1-\dfrac{Q_o}{Q_i}[/tex]

[tex]Q_o\ and\ Q_i[/tex] are output heat and input heat respectively.

Hence, the correct option is (d) "efficiency"

Final answer:

Efficiency is the key factor defining the mechanical work output of a heat engine in relation to the heat energy input.

Explanation:

Efficiency is the term that defines the amount of mechanical work an engine can do per unit of heat energy it uses. It is calculated as the ratio of the useful work extracted to the energy input needed to heat the hot reservoir. In the context of a heat engine, efficiency plays a crucial role in determining how well the engine converts heat energy into mechanical work.

Answer:

occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.

Explanation:

Answer:

According to Newton's first law, when the net force acting on an object is zero, the object must __have a velocity of zero___.

Explanation:

When the net force is zero, the acceleration is zero, so the velocity must be constant. Note that zero velocity is simply a special case of constant velocity.

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Answer:

D) positive and negative

Explanation:

Answer:

A

Explanation:

Option B represents the correct answer.

The Bulb does not light up because the circuit is an open circuit.

An electrical circuit where the energy is not flowing through the circuit is called the open circuit. In the open circuit, the continuity is broken so that the current does not flow through the circuit.

An electrical circuit where the energy is allowed to flow through the circuit by turning it on is called the closed circuit. A circuit is made closed if the electricity is flowing from an energy source to the desired endpoint of the circuit.

Given that a simple circuit is built up by a student. The circuit is made with a battery, light bulb, and copper wires. The light bulb does not light up when the copper wires are connected to the battery terminals because there is no energy flow through the circuit. It means that the circuit is an open circuit.

Hence we can conclude that the light bulb does not light up due to the no energy flow in the circuit. Option B is the correct answer.

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Answer:

a transverse (sort of a plot of a sine or cosine graph, basically)

b longitudinal

c Electromagnetic (an electric wave and a magnetic wave travelling together at right angles to each other)

Explanation:

Waves are able to cause a disturbance along a medium thereby transferring energy.

The image and the details of the question are missing but I will try  to help you the much I can. A wave is defined as a disturbance along a medium which transfers energy.

A wave can be classified as;

Or as;

Hence, waves are able to cause a disturbance along a medium thereby transferring energy.

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Answer:

127.5 J

Explanation:

Potential energy is given as the product of mass of an object, the height moved and acceleration due to gravity. Therefore, PE=mgh

The change in potential energy is given by mg(hf-hi) where hf-hi is change in height got by subtracting initial height from final height. In this case, the initial height is zero while final height is 1.78 m.

Substituting 9.81 m/s2 for g, 7.3 kg for m and h with 1.78 then the change in potential energy will be

7.3*9.81*(1.78-0)=127.47114 J

Rounded off as 127.5 J

Answer:

i think it is C

Explanation:

Answer: A. Long wire and high temperature

Explanation:

Answer: false

Explanation: friction makes objects slow down and stop

Answer:

1.29x10^5 m

Explanation:

Step 1:

Data obtained from the question.

Mass of uranus (M1) = 8.68x10^25Kg

Mass of miranda (M2) = 6.59x10^19Kg

Force (F) = 2.28x10^19N.

Gravitational constant (G) = 6.674×10^−11 m3/kgs2

Distance apart (r) =?

Step 2:

Determination of the distance apart.

Using the Newton's law of universal gravitation equation, the distance apart of uranus and the moon miranda can be obtained as follow:

F = GM1M2/r2

r2 = GM1M2/F

r2= (6.674×10^−11x8.68x10^25x6.59x10^19)/2.28x10^19

r2 = 1.67x10^16

Take the square root of both side.

r = √(1.67x10^16)

r = 1.29x10^5 m

Therefore, the distance apart is 1.29x10^5 m

Answer:

1.29x10^5 m

Explanation:

Step 1:

Data obtained from the question.

Mass of uranus (M1) = 8.68x10^25Kg

Mass of miranda (M2) = 6.59x10^19Kg

Force (F) = 2.28x10^19N.

Gravitational constant (G) = 6.674×10^−11 m3/kgs2

Distance apart (r) =?

Step 2:

Determination of the distance apart.

Using the Newton's law of universal gravitation equation, the distance apart of uranus and the moon miranda can be obtained as follow:

F = GM1M2/r2

r2 = GM1M2/F

r2= (6.674×10^−11x8.68x10^25x6.59x10^19)/2.28x10^19

r2 = 1.67x10^16

Take the square root of both side.

r = √(1.67x10^16)

r = 1.29x10^5 m

Therefore, the distance apart is 1.29x10^5 m

Answer:

A = 5 meters/s^2

Explanation:

Force = mass x acceleration

A = Force/mass

A = 60/12

A = 5 meters/s^2

Answer:

0.805 m at 32.6°

Explanation:

Given in the x direction:

v₀ₓ = 2.35 m/s cos -22° = 2.179 m/s

vₓ = 6.42 m/s cos 50° = 4.127 m/s

t = 0.215 s

Find: Δx

Δx = ½ (v + v₀) t

Δx = ½ (4.127 m/s + 2.179 m/s) (0.215 s)

Δx = 0.678 m

Given in the y direction:

v₀ᵧ = 2.35 m/s sin -22° = -0.880 m/s

vᵧ = 6.42 m/s sin 50° = 4.918 m/s

t = 0.215 s

Find: Δy

Δy = ½ (v + v₀) t

Δy = ½ (4.918 m/s + -0.880 m/s) (0.215 s)

Δy = 0.434 m

The magnitude of the displacement is:

d² = Δx² + Δy²

d² = (0.678 m)² + (0.434 m)²

d = 0.805 m

The direction of the displacement is:

θ = tan⁻¹(Δy/Δx)

θ = tan⁻¹(0.434 m / 0.678 m)

θ = 32.6°

Answer:

A

Explanation:

EXothermic mean to release heat hit the EX almost like exit

A person who works in only one area of a subject is known as a specialist. This applies to many fields, including world languages, where a person who intensely studies and focuses only on one particular language and its aspects, such as Spanish, could be considered a Spanish language specialist.

A person who works in only one area of a subject is often referred to as a specialist. This term can be applied across many fields, but is especially relevant in the field of world languages. For example, a person who intensely studies and focuses only on Spanish language and literature might be considered a Spanish language specialist.

These individuals typically have deep knowledge and understanding of their specialization. This not only includes the language itself, but also its literature, culture, history and other aspects that might not be covered by someone with broad but shallow knowledge. Therefore, if you're looking to learn advanced Spanish for example, seeking help from a Spanish language specialist would be highly beneficial.

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Answer:

False

Explanation:

Boiling water is not a chemical change it is a Physical change

Answer:

false

Explanation:

Answer:

the rock will continue at the same speed unless it is affected by another force such as gravity and so if you threw it it will continue to move unless affected by a force

Explanation:

this is because Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.

Answer:

71.4 m/s

Explanation:

Answer:

3. more resistance and draws more current

Explanation:

According to a derivation from Ohm's law, the power, P, generated by the bulb is directly proportional to square of the current, I, passing through it. i.e

P ∝ I²

P = I²R         -------------------- (i)

Where;

R = constant of proportionality called resistance

From equation (i), it can thus be deduced that the power, P, is also directly proportional to the resistance, R.

Thus;

(i) When power increases, resistance increases

(ii) When power increases, current also increases.

So for the 100-watt bulb, compared to the 60-watt bulb, there will be more resistance and more current will be drawn.

Answer:

Option 1. Less resistance and draws more current

Explanation:

To better understand this concept, let us determine the resistance and current of each bulb assuming a 240V supply.

Recall:

Power = current (I) x voltage (V)

P = IV

Power = square voltage/ resistance

P = V^2 /R

For the 60watt bulb:

Power (P) = 60watts

Voltage = 240V

Current (I) =?

Resistance =?

A. P= IV

60 = I x 240

Divide both side by 240

I = 60/240

I = 0.25A

B. P = V^2 /R

60 = (240)^2 / R

Cross multiply to express in linear form

60 x R = (240)^2

Divide both side by 60

R = (240)^2 / 60

R = 960 ohms

For 100watts bulb:

Power (P) = 100watts

Voltage = 240V

Current (I) =?

Resistance =?

A. P= IV

100 = I x 240

Divide both side by 240

I = 100/240

I = 0.42A

B. P = V^2 /R

100 = (240)^2 / R

Cross multiply to express in linear form

100 x R = (240)^2

Divide both side by 100

R = (240)^2 / 100

R = 576 ohms

Summary:

60watts bulb has a current of 0.25A and a resistance of 960 ohms

100watts bulb has a current of 0.42A and a resistance of 576 ohms.

Comparing the resistance and current of the 60watts and 100watts bulb under the same supply of 240V,

the 100watts bulb has lesser resistance than the 60watts bulb and draws more current than the 60watts bulb.

The net force on the car is -100 N, and it acts in the direction of Bob's force. This means the car experiences a net force of 100 N directed backward.

To find the net force on the car, we need to consider the vector sum of the forces applied by John and Bob. Since they are acting in opposite directions, we'll use the following formula:

Net Force = Force_John + Force_Bob

Now, substitute the given values:

Net Force = 125 N + (-225 N)

Net Force = 125 N - 225 N

Net Force = -100 N

The negative sign indicates the direction of the net force, which is in the direction of the greater force (towards Bob, the direction of the 225 N force).

The statement 'the index of refraction of the second medium is higher' is TRUE for light passing into a second medium that is more optically dense than the first medium.

In conclusion, the statement 'the index of refraction of the second medium is higher' is TRUE for light passing into a second medium that is more optically dense than the first medium.

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Final answer:

The correct statement is that when light passes into a medium that is more optically dense than the first medium, the index of refraction of the second medium is higher.

Explanation:

When light passes into a medium that is more optically dense than the first medium, the index of refraction of the second medium is higher. This is because a higher index of refraction indicates a more optically dense medium. Consequently, the light ray bends towards the normal -- a line perpendicular to the interface of the two media -- when transitioning from a less optically dense medium to a more optically dense one.

Answer: 202.1 m/s

Explanation:

Given that,

acceleration of rocket (A) = 2.15 m/s2 velocity (V) = ?

Time taken (T) = 94.0 seconds

Since acceleration is the rate of change of velocity per unit time

i.e Acc = velocity / time

Velocity = Acceleration x time

V = (2.15 m/s2 x 94.0 seconds)

V = 202.1 m/s

Thus, the velocity is 202.1 m/s

Answer:

0.426 L

Explanation:

Boyles law is expressed as p1v1=p2v2 where

P1 is first pressure, v1 is first volume

P2 is second pressure, v2 is second volume.

Given information

P1=96 kPa, v1=0.45 l

P2=101.3 kpa

Unknown is v2

Making v2 the subject from Boyle's law

[tex]v2=\frac {p1v1}{p2}[/tex]

Substituting the given values then

[tex]v2=\frac {96*0.45}{101.3}=0.4264560710760l\approx 0.426 l[/tex]

Therefore, the volume is approximately 0.426 L

To find the volume of ammonia gas at standard pressure, we applied Boyle's Law and calculated the final volume to be approximately 0.426 liters. Boyle's Law relates the pressure and volume of a gas when temperature and moles remain constant.

To determine the volume that ammonia gas will occupy at standard pressure (101.3 kPa) given its initial volume and pressure, we can use Boyle's Law. Boyle's Law states that the pressure of a gas is inversely proportional to its volume when temperature and the number of moles are held constant. The formula is as follows:

P1V1 = P2V2

Using the values provided, we can rearrange the formula to solve for V2:

V2 = (P1V1) / P2

Substitute the known values:

V2 = (96 kPa * 0.450 L) / 101.3 kPa

V2 ≈ 0.426 L

So, the volume of ammonia gas at standard pressure will be approximately 0.426 liters.

Example Problem:

A sample of ammonia is found to occupy 0.250 L under laboratory conditions of 27 °C and 0.850 atm. Find the volume of this sample at 0 °C and 1.00 atm.

Just search it up on google for the correct answer, not that hard.

Explanation:

Answer:

Chemical energy is stored in the bonds of a compound.

Explanation:

Chemical energy is a type of potential energy and is stored in chemical bonds.

It is important to understand the behavior of light when designing and building any type of structure because it is necessary for the better illumination of the interior space.

Optics is the branch of science, that deals with study of light and the behaviour and properties of light.

Here,

It is important to understand the behavior of light when designing and building any type of structure, such as a house, school, store, hospital or office building.

This is because, interior space and its arrangements are the important aspects in building any structure. So that, the designing of interior space became more important and it must be more accurate since, the adjustments of the effects of heat and light became the major needs for every architecture.

These buildings are built for people to use them or live in them, in the most comfortable way. So that, the arrangements of the windows and doors primarily depends on the distribution of light at that positions.

The present living system demands more use of electrical energy for various purposes in our everyday life. So, the availability of daylight can help us to reduce the over consumption of electrical energy in the day time.

Hence,

It is important to understand the behavior of light when designing and building any type of structure because it is necessary for the better illumination of the interior space.

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Final answer:

Understanding the behavior of light is vital in architecture due to its impact on mood, aesthetics, functionality, and energy efficiency. It informs decisions on lighting design, fixture selection, and the overall architectural design to create spaces that are functional, safe, and evoke desired emotional responses.

Explanation:

Understanding the behavior of light is crucial in the design and construction of any structure, such as houses, schools, stores, hospitals, or office buildings, due to its significant impact on both the functionality and aesthetics of a space. Light can influence mood, perception, and even the well-being of occupants.

For example, natural light can enhance productivity and happiness in offices and schools, while soft, warm lighting can make homes feel more welcoming and comforting. Furthermore, the understanding of light's properties, such as reflection, refraction, and shadow creation, plays an essential role in achieving energy efficiency, enhancing visibility, and ensuring the safety of the occupants.

Considering the architecture of a space is vital as it directly influences lighting design, necessitating a thoughtful selection of lighting fixtures and techniques that complement the structural elements and intended use of each area. Thus, integrating light-related considerations into the architectural design process facilitates the creation of functional, aesthetically pleasing, and emotionally resonant environments.

Answer:

Glucose and oxygen are products of photosynthesis.

Explanation:

Energy, carbon dioxide and water are products of cellular respiration. Glucose and oxygen are reactants in cellular respiration. Energy, water and carbon dioxide are reactants of photosynthesis.

Answer: Reactants

Explanation: A cell will need to break glucose to create energy. Oxygen will turn into carbon dioxide, which is what us humans breathe out.

Answer:

Image distance, v = 4.67 cm

Explanation:

We have,

Height of the object, h = 24.8 cm

Height of the formed image, h' = -3.09 cm

Object distance, u - -37.5 cm

It is required to find the image distance. Lens formula is :

[tex]\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}[/tex]

Using formula of magnification,

[tex]m=\dfrac{v}{u}=\dfrac{h'}{h}[/tex]

v is image distance

[tex]v=\dfrac{uh'}{h}\\\\v=\dfrac{-37.5\times (-3.09)}{24.8}\\\\v=4.67\ cm[/tex]

So, the image distance is 4.67 cm.

Placed exactly between two oppositely charged point charges, a test charge will show zero force. Thus, the correct option is A.

A test charge is a very small positive charge which is used to detect the presence of an electric field. Test charge should be as small as possible so that its presence does not affect the electric field due to source charge. The electric charge which produces the electric field is called a source charge.

The electric field strength (E) can be detected through the help of a test charge(q).

E = F/ q

where, E = electric field strength,

F = force applied,

q = charge

Therefore, the correct option is A.

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