The conductance of a wire varies directly as the square of the wire's diameter and inversely as its
length. Fifty meters of wire with diameter 2 mm has conductance 0.12 mho (unit of conductance).
If a wire of the same material has length 75 m and diameter 2.5 mm, what is its conductance?

Answer:”a” or “d”

Explanation:

I say it will not move because they are moving the objects in the same equal of force so it will most likely stay motionless or might rotate toward the two of the students according to the amount of force they are using

Answer:

Multiply length value by 1000 equals 2000

Explanation:

converting 2 km to miles is pretty simple, just search up what the value for miles and you will find ur answer :)

Answer:

I think it is 50 j, I am not sure and also please let me know if I am wrong.

Answer: hey

Explanation:

Answer:

Can some body plz explain me plzzz

Answer:

He is running at the speed of 20*5/18 m/s

so for 400m ,he takes

400/(20*5)/18 = 72 sec

= 1 . 2 min =6/5 min

The wide wood pores that link to the tree's roots allow sap to be drawn up into the maple tree when it starts to freeze. The tree is really replenishing itself with fluids at this time from its roots.

As long as the temperature is below freezing and the sap is increasing, the process continues.

Water is drawn up from the roots to the top of the plant according to the cohesion-tension hypothesis of sap ascent. Water and minerals travel upward from the roots through the xylem due to a negative water potential gradient created by the evaporation of mesophyll cells in the leaves.

The water potential gets increasingly negative as you climb the tree, and these variations provide a pull or tension that causes the water to ascend the tree. The loss of water from the leaves through a process called transpiration is a crucial element in the draw of water up the tree.

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Answer:

F / m = a = G M / R^2            formula for gravitational attraction

a = ω^2 R   formula for centripetal force for an object with radius R

G M / R^2 = ω^2 R equating accelerations

ω = (G M / R^3)^1/2

ω = 2 pi f = 2 pi / P      for circular motion

P = 2 pi (R^3 / (G M))^1/2

R^3 / (G M) = (1.738E6)^3 / (6.67E-11 * 7.36E22)  = 1.07E6

P = 6.28 * 1034 sec = 6500 sec = 1.80 hrs

Answer:

water seeks its own level

Answer:

water

Explanation:

Answer:

Climate scientists compare the tree growth records to local weather records. For locations where a good statistical match exists between tree growth and temperature or precipitation during the period of overlap, the ring widths can be used to estimate past temperature or precipitation over the lifetime of the tree.

(i) The hydraulic gradient is 0.45.

(ii) The flow rate is approximately 0.00000167 cubic meters per second.

(iii) The hydraulic conductivity is approximately 0.000037 meters per second.

(i) Hydraulic gradient:

The hydraulic gradient (i) can be calculated by dividing the head difference (h) by the distance (L) between the manometer tappings:

i = h / L

Given:

Head difference (h) = 45 mm

Distance between manometer tappings (L) = 100 mm

Converting the units to meters:

h = 45 mm / 1000 = 0.045 m

L = 100 mm / 1000 = 0.1 m

Substituting the values into the formula:

i = 0.045 m / 0.1 m = 0.45

(ii) Flow rate:

The flow rate (Q) can be calculated using the equation:

Q = (V / t) / A

Where V is the quantity of water collected, t is the duration of the test, and A is the cross-sectional area of the test sample.

Given:

Quantity of water collected (V) = 500 ml = 0.5 L

Duration of test (t) = 300 seconds

Diameter of test sample (d) = 100 mm

Converting the units to meters:

V = 0.5 L = 0.5 / 1000 = 0.0005 m³

t = 300 seconds

d = 100 mm / 1000 = 0.1 m

Calculating the cross-sectional area (A) using the formula for the area of a circle:

A = π * (d/2)^2

Substituting the values:

A = π * (0.1/2)^2 = π * 0.005^2 = 0.00007854 m²

Substituting the values into the formula for flow rate:

Q = (0.0005 m³ / 300 s) / 0.00007854 m²

Calculating the flow rate:

Q = 0.00000167 m³/s

(iii) Hydraulic conductivity:

The hydraulic conductivity (K) can be calculated using Darcy's Law:

K = Q / (A * i)

Given the values we calculated:

Q = 0.00000167 m³/s

A = 0.00007854 m²

i = 0.45

Substituting the values into the formula:

K = 0.00000167 m³/s / (0.00007854 m² * 0.45)

Calculating the hydraulic conductivity:

K ≈ 0.000037 m/s

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The type of wave that requires a material medium through which to travel is Sound. The correct answer is option A.

Sound waves are mechanical waves, which means they require a medium (such as air, water, or solids) to travel through. In contrast, television, radio, and X-ray waves are all examples of electromagnetic waves, which can travel through a vacuum and do not require a material medium.

Television (option B), radio (option C), and X-ray (option D) waves are all examples of electromagnetic waves that can travel through vacuum and do not require a material medium. Therefore the correct answer is A: Sound.

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Answer:

The PROTONS in the can attract to the negatively charged object, so then the can becomes polarized and the ELECTRONS in the can attract the positively charged object.

Explanation:

The PROTONS inside the can entice to the negatively charged object, so then the can will become polarized and the ELECTRONS in the can appeal to the undoubtedly charged item.

The number of protons within the nucleus of the atom is identical to the atomic range. The variety of electrons in an impartial atom is identical to the number of protons. The mass range of the atom (M) is equal to the sum of the wide variety of protons and neutrons inside the nucleus.

Protons definitely charged subatomic particles that live in the nucleus. Neutrons: Neutrally charged subatomic particles that are living in the nucleus. Electrons: Negatively charged subatomic debris found inside the electron shells surrounding the nucleus.

An electron is a negatively charged factor of an atom while the proton is an undoubtedly charged frame. The electrons are present out of doors the nucleus inside the orbiting shells. But the protons alongside neutrons shape the nucleus of the atom and are gifted in the middle of the atomic nuclei.

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A. To find the time of flight, we can use the fact that the vertical component of the initial velocity determines the time the object spends in the air. We can use the equation: v = u + at

Where v is the final velocity, u is the initial velocity, a is the acceleration due to gravity (-9.8 m/s^2), and t is the time of flight. In this case, the final velocity is 0 m/s because the object reaches its maximum height and then falls back down. So we can solve for t: 0 = 35 m/s - 9.8 m/s^2 * t, t = 35 m/s / 9.8 m/s^2, t ≈ 3.57 seconds

B. To find the horizontal distance traveled, we can use the fact that the horizontal component of the initial velocity remains constant throughout the motion of the object. We can use the equation: d = vt.

Where d is the distance traveled, v is the horizontal component of the initial velocity, and t is the time of flight that we found in part A. So we can solve for d:

d = 45 m/s * 3.57 s

d ≈ 160.65 meters

C. To find the maximum height reached by the object, we can use the fact that the vertical velocity component is 0 m/s at the maximum height. We can use the equation:

v^2 = u^2 + 2as

where s is the maximum height reached by the object, and u is the vertical component of the initial velocity. So we can solve for s:

0 = (35 m/s)^2 + 2 * (-9.8 m/s^2) * s

s = (35 m/s)^2 / (2 * 9.8 m/s^2)

s ≈ 62.5 meters

D. We already know the horizontal and vertical components of the initial velocity, so we can use the Pythagorean theorem to find the magnitude of the initial velocity:

v = √(45 m/s)^2 + (35 m/s)^2

v ≈ 57.01 m/s

E. To find the angle of release, we can use the fact that the tangent of the angle is the ratio of the vertical component of the initial velocity to the horizontal component:

tan θ = 35 m/s / 45 m/s

θ ≈ 38.66 degrees

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Gravity at a distance of r=11re is about 1/121 times (or about 0.00826 times) weaker than the strength of Earth's gravity at its surface, where re is the radius of the Earth.

The strength of gravity is inversely proportional to the square of the distance between two objects. Therefore, at a distance of 11 times the radius of the Earth (r=11re), the strength of gravity will be (1/11)² = 1/121 times (or about 0.00826 times) weaker than the strength of gravity at the Earth's surface (r=re).

This means that an object at that distance would experience only about 0.00826 times the gravitational force that it would experience at the Earth's surface.

This is why the force of gravity is weaker on the Moon, which is farther away from the Earth than the Earth's surface, and why spacecraft traveling to other planets need to use rockets or other means to escape Earth's gravity and travel to their destination.

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Answer:

Scalar quantities are defined by a magnitude with no applicable direction. In contrast, vector quantities must have both magnitude and direction of action. Some common scalar quantities are distance, speed, mass, and time. Some common vector quantities are force, velocity, displacement, and acceleration.

Explanation:

❤❤❤❤❤

Answer:

the answer is semidiurnal

Answer:

I think it is semi-diurnal :)

Hope this helps!!

Have a great day!!

Please rate and mark brainliest!!

Law of multiple proportions use to compare CO and CO2. Without doing any calculations, determine of these two compounds has the highest percent by mass of oxygen in the compound.

The Law of Multiple Proportions is a fundamental principle in chemistry that describes the relationship between the masses of elements that combine to form different compounds. The other element is always in the ratio of small whole numbers. In other words, if element A and element B combine to form two different compounds, the ratio of the masses of A that combine with a fixed mass of B will always be in a small whole number ratio.

The Law of Multiple Proportions predicts that the ratio of the mass of oxygen that combines with a fixed mass of carbon to form CO will be in a small whole number ratio to the ratio of the mass of oxygen that combines with the same mass of carbon to form CO2.

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Complete Question:-

Which law would you use to compare CO and CO2? Explain. Without doing any calculations, determine which of the two compounds has the highest percent by mass of oxygen in the compound?

False. Both Mechanical Advantage (MA) and Velocity Ratio (VR) can depend on fractions when considering certain aspects of simple machines.

MA and VR are important concepts in physics that describe the performance of simple machines, such as levers, pulleys, and inclined planes. Mechanical Advantage is defined as the ratio of output force to input force. In some cases, this ratio can be represented as a fraction. For example, when using a lever with unequal arms, the ratio of the lengths of the arms can be expressed as a fraction, which affects the mechanical advantage. Velocity Ratio is the ratio of the distance moved by the effort to the distance moved by the load. In simple machines like pulleys and gear systems, the ratio of the number of teeth or the diameters of the gears or pulleys can be represented as a fraction, which impacts the velocity ratio. In summary, both MA and VR can be influenced by fractions, depending on the specific simple machine and the parameters being considered.

The term "mechanical advantage" describes how much or to what extent a force is amplified or increased by utilising a tool or a machine. It is possible to compute mechanical advantage as follows:

Height of Incline (HI) / Incline Length (LI)

Let's say I built a hedge that slopes 10 metres from point x to point y, which is the back of a truck. It's 5 metres from point y to the ground.

Suppose LI = 10 m and HI = 5 m.

10/5 = 2 is the mechanical advantage granted.

The effort distance is another name for the incline angle. According to our calculations, I saved effort by forgoing horizontal movement compared to what it would have taken to lift that object off the ground.

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The motion of gestures and arm movement can be considered part of the kinesthetic learning style. Kinesthetic learners prefer to learn through physical activity, movement, and tactile experiences. Gestures and arm movements engage the body and provide a physical connection to the learning process.

1. Physical Engagement: Kinesthetic learners rely on physical movement to enhance their learning experience. Gestures and arm movements allow them to physically interact with information and reinforce their understanding. For example, while learning a new concept or solving a problem, kinesthetic learners may use hand gestures to represent different elements or manipulate objects to better comprehend the subject matter.

2. Tactile Connection: Kinesthetic learners often benefit from tactile experiences as it helps them internalize information. By incorporating gestures and arm movements, they create a physical connection to the learning material. These physical actions provide sensory feedback and reinforce the learning process, allowing kinesthetic learners to better retain and recall information.

3. Whole-Body Learning: Kinesthetic learners thrive when they can engage their entire body in the learning process. Gestures and arm movements involve the larger muscles and promote a more holistic learning experience. The physicality of these movements can enhance their understanding and enable them to grasp concepts in a way that complements their learning style.

In conclusion, gestures and arm movements can be considered part of the kinesthetic learning style as they facilitate physical engagement, provide a tactile connection, and support whole-body learning. Incorporating these movements can be an effective strategy for kinesthetic learners to enhance their comprehension and retention of information.

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The car would have been moving too fast for a safe stop and would have been moving at a speed even higher if it could have produced a skid mark of 65 mph with a friction coefficient of 0.25.

A skid mark is measured from the beginning of one, which may start out light if two tyres lock and gradually darken as more tyres lock.

Just dividing the vertical load by the horizontal force yields the coefficient of friction. For each section, the high, low, and average SN values are presented. The test speed has an impact on SN results; the slower the speed, the higher the SN.

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Answer:

Scientific theory, systematic ideational structure of broad scope, conceived by the human imagination, that encompasses a family of empirical (experiential) laws regarding regularities existing in objects and events, both observed and posited. A scientific theory is a structure suggested by these laws and is devised to explain them in a scientifically rational manner.

Bohr explains that the atom consists of a nucleus which contains protons and neutrons in it and electrons revolve around the nucleus in different orbits. The nucleus is positively charged and electrons revolving around are negatively charges.

According to Bohr's model of atom, there are different number of shells in which electrons revolve. The shells are named as K, L, M, N... According to Bohr's model, K shell which is lowest shell can only have two electrons in its orbit. Therefore, Bohr's model shown in 1. is correct as it has only two electrons in K shell.

The estimated distance of the new planet from the Sun in AU would be approximately 100 AU.

To estimate the distance of the new planet from the Sun in AU (astronomical units), we can use the third Kepler's law:

(\(T1^2/R1^3\)) = (\(T2^2/R2^3\))

where T1 is the period of reference planet (Earth), R1 is the distance of the reference planet (Earth) from the Sun, T2 is the period of the new planet, and R2 is the distance of the new planet from the Sun.

Using the values for Earth as the reference:

T1 = 1 year (Earth's orbital period)

R1 = 1 AU (Earth's distance from the Sun)

T2 = 1000 years (orbital period of the new planet)

Now, we can solve for R2:

(\(T1^2/R1^3\)) = (\(T2^2/R2^3\\\))

(\(1^2/1^3\)) = (\(1000^2/R2^3\))

1 = (\(1000^2/R2^3\))

\(R2^3\) = (\(1000^2/1\))

\(R2^3\) = 1,000,000

R2 = cube root of 1,000,000

R2 ≈ 100

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Answer:

amino acids

Explanation:

protins made of amino acids

hope ur help

Answer:

AMINO ACIDS

Explanation:

Protein consists of carbon, hydrogen, oxygen, and nitrogen. The addition of nitrogen gives protein its unique distinction from carbohydrate and fat, along with establishing the signature name, amino acid.

Answer:

Subduction, Trench, Mantle

Explanation:

Answer: subduction, trench, and mantle

Explanation:

Answer: An atom that gains or loses an electron becomes an ion. If it gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion

Answer:

when an atom gains electrons, it gains a negative charge

Explanation:

hope I helped you

Answer:

cần cung cấp 70 độ vì nước sôi ở 100°C

Explanation:

You should push the accelerator all the way to the floor and hold for five seconds if your engine is flooded with gasoline.

To find the answer, we need to know about the flooded engine.

Thus, we can conclude that, You should push the accelerator all the way to the floor and hold for five seconds if your engine is flooded with gasoline.

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