when an outdoor branch circuit has 600 v conductors and is strung between poles over water that is unsuitable for boating, the conductors are messenger wire supported twisted cable units and 15 ft. above the water, an inspection will conclude that

An important difference between planet earth and planet venus is that venus lacks an atmosphere.

The two largest planets, Jupiter and Saturn, have nearly the same chemical composition as the Sun, with 75% of their mass made up of hydrogen and 25% of it of helium. Due to the fact that both hydrogen and helium are gases on Earth, Jupiter and Saturn are frequently referred to as gas planets. This name, though, is misleading. The gas inside Jupiter and Saturn is squeezed until the hydrogen turns into a liquid because of their size. Both planets should be referred to as liquid planets since compressed, liquefied hydrogen makes up the majority of their mass. A liquid or gaseous planet's interior is gravitationally pulled toward its heavier constituents by gravity.

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When an object is moved closer to the concave mirror, then

a)magnitude of image distance increases.

b)the image height become larger.

In concave mirror, we know that when an object is placed at the focus, its image will formed in enlarged size at infinity, it means height of image is large as compared to height of object. Here the scenario is same when object is placed at the center of curvature, object formed at the center of curvature of mirror in opposite direction of object. When object is moved closer to mirror from the center of curvature, image starts moving away from the mirror.

Image will formed below the positive y-axis and nature of image will be inverted and size of image starts increasing when it moves closer to mirror.

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Correct option is C, The common ratio of remaining is 0.989.  

The amount you multiply or divide by at each point in the sequence is known as the common ratio. It is calculated by splitting two sets of related phrases. Any pair of terms can be used as long as they are placed next to one another in the sequence.

The distance between each number in a geometric series is known as the common ratio. The reason it is common to all numbers and also the ratio between two consecutive numbers in the sequence is why it is known as the common ratio.

the sum that we multiply by after each geometrical step. As an illustration, use 1, 2, 4, 8, 16, 32, 64, 128, 256,...

1.1% = 0.011

total = 1

1 - 0.011 = 0.989

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The  time to drop from 1.3m and velocity after height at 0.7 mis mathematically given as

t1 = 0.515 sec  

v0 = 3.7m/s

Question Parameters:

A 0.045-kg golf ball is dropped from rest.

Is dropped from a height of 1.3m and comes back up at a height of .7m

Generally, the equation for the time to drop from 1.3m   is mathematically given as

yf - yi = vi t + a t^2/ 2

Therefore

0 - 1.3 = 0 - 9.8 t^2 /2

t1 = 0.515 sec  

Hence, after its max height is 0.7 m,

vf^2 - vi^2 = 2 a (yf - yi)

0^2 - (v0)^2 = 2(-9.8)(0.7 - 0)

v0 = 3.7m/s

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The distance between the two buses is 48km.

Let us assume that the velocity of the first bus is 36 km/h and that of the second bus is 108 km/h.

To find the distance between them, we will consider that both buses move in opposite directions.

Distance travelled by bus 1 in 20 minutes = 36 km/h × 20 min ÷ 60 min/h = 12 km

Distance travelled by bus 2 in 20 minutes = 108 km/h × 20 min ÷ 60 min/h = 36 km

Total distance between them = distance travelled by bus 1 + distance travelled by bus 2= 12 km + 36 km= 48 km

Therefore, the distance between them in 20 minutes is 48 km.

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Answer:

-10 m/s²

Explanation:

a = Δv / Δt

a = (20 m/s − 50 m/s) / 3 s

a = -10 m/s²

Answer 10 m/s²

Explanation:

a = Δv / Δt

a = (20 m/s − 50 m/s) / 3 s

a = -10 m/s²

Explanation:

Hi there!

On a horizontal circular track with friction, the net force acting in the horizontal direction is:

∑F = Fκ, or the force of kinetic friction.

We know that ΣF = Mv²/r, so:

Mv²/r = Fκ

Plug in the given values to solve:

(1750)(35²)/80 = Fκ

Thus:

Fκ = 26796.875 N

The gradient of River X expressed in m/km is 20 m/km.

Any line or curve's gradient will reveal the pace at which one variable is changing in relation to another. In all mathematical fields, this idea is crucial.

By dividing the difference between the -coordinates by the difference between the -coordinates, the gradient of a line is calculated. This can also be referred to as the vertical divided by the horizontal or the change in divided by the change in.

A river's gradient is a measurement of how steeply it declines over a specific distance.

Gradient = vertical change / horizontal distance = 20 meters / 1 kilometer = 20 m/km

Therefore, the gradient of River X expressed in m/km is 20 m/km.

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One of the main causes of systemic vascular resistance is the size and condition of the blood vessels themselves. Blood vessels that are narrower or have thicker walls will naturally offer more resistance to blood flow than those that are wider or have thinner walls. This is why conditions such as hypertension, or high blood pressure, can lead to increased systemic vascular resistance. Hypertension can cause the blood vessels to become thickened and narrowed, making it harder for blood to flow through them.

Another factor that contributes to systemic vascular resistance is the presence of constrictions or blockages in the blood vessels. These can be caused by a variety of conditions, such as plaque buildup in the arteries or blood clots. When these constrictions or blockages occur, they can impede the flow of blood and increase systemic vascular resistance.

The activity of the muscles that control the size of the blood vessels can also play a role in systemic vascular resistance. When these muscles contract, they can narrow the blood vessels and increase resistance to blood flow. Conversely, when they relax, they can widen the blood vessels and decrease resistance to blood flow. This is why conditions such as stress, which can cause the blood vessels to constrict, can also lead to increased systemic vascular resistance.

Systemic vascular resistance refers to the resistance that blood vessels in the body offer to the flow of blood. It is an important factor in regulating blood pressure and maintaining proper blood flow throughout the body. There are several factors that contribute to systemic vascular resistance, including the size and condition of the blood vessels, the presence of any constrictions or blockages, and the activity of the muscles that control the size of the blood vessels.

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Answer:

Below

Explanation:

To convert mm to m all you need to do is divide the value by 1,000

so : 3 / 1,000 = 0.003 meters

Hope this helped!

Answer:

Calcium chloride is very effective, working at temperatures below most products, and is significantly more effective than sodium chloride because of its ability to extract moisture from its surroundings and to cause exothermic or heat generating reactions.

Explanation:

Hope this helps

Answer:

4.71m/s

Explanation:

Average speed = Total distance travelled ÷ Total time taken.

80/17=4.71

4.71m/s

Answer:

In this question,

                                                = 80m.

                                     = 17s

So, Average speed would be 80 ÷ 17

= \(\frac{80}{17}\)

 = 4.71 m/s. or 4.71 meter per second.

The acceleration is the same, if the initial velocity is the same, the times of going up and down are the same.

If the initial velocity is the same for both processes, the acceleration is the same and the times are the same.

The relationship between the net force, the masses, and the acceleration of the bodies is established by Newton's second law.  

∑ F = m a

In the image of the block moving up and down the ramp in the attached, a free-body can be observed; in this example, the x-axis is parallel to the ramp and the y-axis is perpendicular. The reference system is a coordinate system with respect to which the forces are depicted.

Sinθ =  Wₓ/W

Cosθ =  W_y/W

Wₓ = WSinθ

W_y = Wcosθ  

Newton's second law for each axis.

Case 1. Block slides down on x-axis

Wₓ = ma

mg sinθ = ma

a = g sin θ

Case 2. Block rises

X-axis

- Wₓ = m a

- mgsin θ = a

a = - g sin θ

Acceleration is equal in both cases, if the block has the same initial speed, the rise and fall time is the same.

y = v₀ t - ½ a t²

y = ½ a t²

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Your question is incomplete, most probably the full question is this:

(b) The block takes time tup to slide up the ramp a distance x The block then takes time down to slide back down to the bottom of the ramp, where it has speed up. Is flows greater than equal to

or less tup?

tdown >tup -tdown = tup .tdown In a clear, coherent paragraph-length response that may also contain figures and/or equations, explain your reasoning. If you need to draw anything other than what you have shown in part (a) to

assist in your response, use the space below. Do NOT add anything to the figures in part (a).

a) Work needed to stretch the spring from 12 m to 14 m is 8 J. b) Force of 64 N will keep the spring stretched by 16 m beyond its natural length.

When spring is stretched or compressed, such that length changes by an amount x from its equilibrium length, then it exerts force F = -kx in a direction towards its equilibrium position.

(a) Potential energy, U = (1/2)kx^2

k is spring constant, and x is displacement from natural length of spring.

W = U = (1/2)k(9-6)^2 = (1/2)k(3)^2 = (9/2)k

Therefore, k = (2/9)W = (2/9)(18 J) = 4 J/m.

W = (1/2)k(14-12)^2 = (1/2)(4 J/m)(2 m)^2 = 8 J

So the work needed to stretch the spring from 12 m to 14 m is 8 J.

(b)F = kx

F is force, k is spring constant, and x is displacement from the natural length of spring.

x = F/k = 64 N / 4 J/m = 16 m

Therefore, a force of 64 N will keep the spring stretched by 16 m beyond its natural length.

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Answer:

eye ,mouth,and,ears face

Answer:

knee, elbow, and wrist

Explanation:

Answer:

C. A Covalent Bond

Explanation:

two covalent bond form between the two oxygen atoms because oxygen requires two shared electrons to fill its outermost shell

The correct statement concerning the studies of the decomposition of dinitrogen pentoxide at 50°C and 75°C is that the rate of decomposition increases with an increase in temperature.

The correct statement concerning the studies of the decomposition of dinitrogen pentoxide at 50°C and 75°C is that the rate of decomposition increases with an increase in temperature.

According to the principle of chemical kinetics, an increase in temperature generally leads to an increase in the rate of a chemical reaction. This is because higher temperatures provide more energy to the reactant molecules, leading to more frequent and energetic collisions, which in turn promote the decomposition of dinitrogen pentoxide. Therefore, at 75°C, the rate of decomposition is expected to be faster compared to 50°C.

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Answer:

dude just use the calculator fr

please mark this answer as brainlist

The H-R diagram, also known as the Hertzsprung-Russell diagram is a graph that demonstrates the relationship between luminosity, temperature, classification, and spectral types of stars. This diagram shows the life cycle of stars. The life cycle of stars begins with their formation, followed by a sequence of changes leading to the death of a star. The location of a star on an H-R diagram enables us to determine the mass, temperature, and luminosity of the star.

The following can be determined from the location of a main-sequence star on the H-R diagram- The position of a star on the H-R diagram is determined by the star's mass. More massive stars are placed to the left of the diagram, while less massive stars are placed on the right. Temperature can be calculated by looking at where the star falls on the horizontal axis of the H-R diagram. The temperature ranges from cool to hot, left to right. By studying the location of the star on the vertical axis, we can determine its luminosity. The luminosity ranges from dim to bright, from bottom to top.

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Answer:

\(0.00074m\) \(=\) \(7.4*10^{-4}m\)

Explanation:

Given

\(0.00074m\)

Required

Express as scientific notation

The scientific notation of a number is: \(a * 10^{b}\)

Where \(1 \le a \le 9\)

This implies that:

\(0.00074m = 7.4 * 10^b\)

Next, is to determine the value of b.

Count the number of point to move from the current point location to 7.4.

If the point moves backward, b will be negative, else b will be positive.

So:

\(0.00074m\)      \(b=-4\)

Hence:

\(0.00074m\) \(=\) \(7.4*10^{-4}m\)

A  0.15kg glider is moving to the right on a frictionless horizontal air track with a speed of 0.80 m/s.

The glider is a type of object that is designed to move smoothly along a surface, in this case, the air track. Because there is no friction on the air track, the glider is able to maintain its speed without slowing down or coming to a stop. The glider's mass of 0.15kg is a measure of the amount of matter it contains, and it affects how much force is required to move it. In this case, the glider's speed of 0.80 m/s is a measure of how fast it is moving in a particular direction.

In summary, we can say that the glider is in motion on a frictionless horizontal air track, and its speed is 0.80 m/s. The glider's mass and speed are important factors that affect how it moves along the track.

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Answer:

sure how can i help my g gggg

Answer:10

Explanation:

2+2=10

Answer:

10

Explanation:

2+8=10

6+4=10

5+5=10

7+3=10

9+1=10

3+2+4+1=10

Answer:

read explanation

Explanation:

Due to this reason a gas (air) a conductor of electricity at low pressure. ... It is because when the gas is at very low pressure positive charged ions are not available to eject out the electron from the cathode hence the discharge current stops.No, vacuum cannot conduct electricity.

The force that pushes groundwater from pore space to pore space when below the water table is primarily due to the pressure gradient within the aquifer. This pressure gradient is caused by the weight of the overlying water and the force of gravity.

Below the water table, the spaces between soil or rock particles are filled with water. These spaces are known as pore spaces. The water table represents the upper surface of the saturated zone, where all the pore spaces are filled with water. gravity acts vertically downward, causing the weight of the water above a particular point to exert a downward force. As a result, the water pressure increases with depth. This increase in pressure creates a pressure gradient within the aquifer.

The pressure gradient drives the flow of groundwater from areas of higher pressure to areas of lower pressure. When a well is drilled into the aquifer below the water table, water will naturally flow into the well and rise to the level of the water table. This is because the pressure is higher below the water table compared to the lower pressure in the well.

The movement of groundwater from pore space to pore space occurs due to the pressure difference between adjacent spaces. Water will flow from areas of higher pressure to areas of lower pressure until the pressures equalize. This movement of water is known as groundwater flow or hydraulic conductivity.

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Simply multiplying the appliance's wattage by the number of hours it is used each day will accomplish this.

You must divide this figure by 1,000 since you require kilowatt- hours and this gives you watt-hours (a kilowatt equals 1,000 watts). The Energy Information Agency (EIA) estimates that the typical American home uses 10,715 kilowatt-hours (kWh) of energy annually. It takes 29,360 watts (W) per day to power a home for a day, which can be divided by 24 to get an average of 1,223 W. According to data from industry watchdog Ofgem from January 2022, the typical dual fuel variable tariff cost £1,277 per year, or £106.41 per month.

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The density of mercury at \(200^{\circ}C\) is \(13122.35 kg/m^3\).

It is given that,

The initial temperature, \(T_0=0^{\circ}C\).

The density of mercury at \(0^{\circ}C\) is \(\rho_{0}=13600 kg/m^3\).

The volume expansion coefficient for mercury is \(\alpha_v=182\times10^{-6} (^{\circ}C^{-1})\).

The final temperature, \(T=200^{\circ}C\).

Let us assume that,

The initial volume of mercury is \(V_0\) \(m^3\).

The final volume of mercury is \(V\) \(m^3\).

The volume expansion formula is given as,

\((V-V_0)=V_0\alpha_v(T-T_0)\)

\(\Rightarrow V=V_0+V_0\alpha_v(T-T_0)\)

\(\Rightarrow V=V_0+V_0(182\times10^{-6})(200-0)\)

\(\Rightarrow V=V_0+(0.0364)V_0\)

\(\Rightarrow V=1.0364V_0\)

The initial density, \(\rho_0=\frac{m}{V_0}=13600 kg/m^3\).

Hence. the final density, \(\rho=\frac{m}{V}\).

So, \(\frac{\rho}{\rho_0}=\frac{m/V}{m/V_0}\)

\(\Rightarrow \frac{\rho}{13600}=\frac{V_0}{V}\)

\(\Rightarrow \frac{\rho}{13600}=\frac{V_0}{1.0364V_0}\)

\(\Rightarrow \rho=\frac{13600}{1.0364} kg/m^3\)

\(\Rightarrow \rho=13122.35 kg/m^3\)

Therefore, the density of mercury at \(200^{\circ}C\) is \(13122.35 kg/m^3\).

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Answer:

it will decrease speed

Explanation:

Answer:

it's b

Explanation: