Will mark brainliest for the first person who answered correctly Which of the following is an example of non-renewable energy? Hydroelectric Gas Solar Wind

The speed of sound in this gas is 392 m/s

The formula to calculate the speed of sound in a gas is:
speed = frequency x wavelength

Learn more about speed here:

https://brainly.com/question/17661499

#SPJ11

The spring constant of the vertical mass-and-spring oscillator is 83.4 N/m.The weight of the block is given by the formula W = mg, where m is the mass of the block and g is the acceleration due to gravity.

To determine the spring constant, we can use Hooke's Law, which states that the force exerted by a spring is directly proportional to its displacement. In this case, the weight of the block is balanced by the force exerted by the spring when it is stretched to a distance of 6.00 cm from its equilibrium position. Since the block remains at rest, the weight is balanced by the force exerted by the spring, which can be expressed as F = kx, where k is the spring constant and x is the displacement of the spring. Equating the weight of the block to the force exerted by the spring, we have mg = kx. Plugging in the given values, we can solve for the spring constant: 10.0 kg × 9.81 m/s² = k × 0.06 m. Simplifying the equation gives us k = (10.0 kg × 9.81 m/s²) / 0.06 m ≈ 83.4 N/m. Therefore, the spring constant of the vertical mass-and-spring oscillator is approximately 83.4 N/m.

Learn more about Hooke's Law here

brainly.com/question/30379950

#SPJ11

The acceleration due to gravity on the surface of the Moon is 1.635 m/s² and on the surface of Venus is 8.8634 m/s².

There is acceleration, gravitational force, and acceleration due to gravity, all three are completely different from each other.

We know that the acceleration of gravity on the moon = 1/6 acceleration of gravity on the Earth

Therefore, the acceleration of gravity on the surface of the moon is given as

= 9.81 / 6

= 1.635 m/s²

b) For any planet (Venus) the acceleration of gravity is given as

g = GM/ R²

G = 6.67 × 10⁻¹¹

M = 4.88 × 10²⁴

R = 6.06 × 10⁶

g = ( 6.67 × 10⁻¹¹)(4.88 × 10²⁴) / (6.06 × 10⁶)²

g = 8.634 m/s²

To know more about acceleration due to gravity, visit:

https://brainly.com/question/13860566

#SPJ9

Answer: i think they control the eyes to move them.

Explanation:

Wavelength usually is expressed in units of meters. The symbol for wavelength is the Greek lambda λ, so λ = v/f.

Specifically, if we know the frequency (the number of wave repetitions per second, often expressed in Hertz, or Hz) and the sound speed (the speed at which the wave travels in meters per second), we can calculate the wavelength using the equation wavelength=speed/frequency.

One of the simpler acoustics concepts to grasp is wavelength. It is simply the length of a wave from one peak to the next. If one imagines a sound wave as a water wave, the wavelength is simply the distance from one wave's crest to the next closest crest.

Thus, if the distance between two peaks is one meter, the wavelength is also one meter.

To learn more about wavelength refer to:

https://brainly.com/question/22866521

#SPJ4

The spring constant is equal to the force applied divided by the displacement from equilibrium.

We can use Hooke's law to calculate the spring constant of the spring:

F = -kx

where F is the force applied to the spring, x is the displacement from equilibrium, and k is the spring constant.

Since the spring is ideal, it is assumed that its mass is negligible, so we can consider it as a massless object.

Assuming that the force F stretches the spring a distance x, we can rearrange Hooke's law to solve for k:

k = -F/x

Therefore, the spring constant is equal to the force applied divided by the displacement from equilibrium.

Learn more about spring constant

brainly.com/question/14159361

#SPJ11

Answer:

so then the main bild and or project dont get ruined and to make sure everything will fit and work right

Answer:

Ration of internal energy of hydrogen to the internal energy of helium is equal to \(\frac{5}{6}\)

Explanation:

As we know

degree of freedom of hydrogen is 5

Degree of freedom of helium is 3

Internal energy of hydrogen

\(\frac{5}{2} * 2 * RT = 5 *RT\)

Internal energy of helium

\(\frac{3}{2} * 4 * RT = 6 *RT\)

Ration of internal energy of hydrogen to the internal energy of helium is equal to \(\frac{5}{6}\)

Answer:

time taken = 7.514 seconds

\(\sf{acceleration} = \dfrac{\Delta v}{\Delta t} = \dfrac{final \ speed - initial \ speed}{time \ taken}\)

Here given:

using the given formula:

\(\hookrightarrow \sf{1.77} = \dfrac{24.4 - 11.1}{time \ taken}\)

\(\hookrightarrow \sf{time \ taken} = \dfrac{24.4 - 11.1}{1.77}\)

\(\hookrightarrow \sf{time \ taken} = 7.514 \ seconds\)

Formula :

\( \frac{final \: speed - initial \: speed}{time \: taken} \)

Given :

Solution :

\(1.77 = \frac{24.4 - 11.1}{time \: taken} \)

\(time \: taken = \frac{24.4 - 11.1}{1.77} \)

\(taken \: time = 7.514 \: seconds\)

Answer:

The car's fast. The ground isn't moving.

Hope this helped! :D

If the mixture is thermally isolated from its surroundings, then it, loses thermal energy to the environment outside as it comes to a final temperature. The correct answer is d.

When the sample of lead is placed in the water, heat will flow from the lead to the water until they reach a common final temperature. Since the final temperature will be less than the initial temperature of the lead, heat must have flowed out of the lead into the surroundings, causing the lead to lose thermal energy to the environment outside the system.

Since the mixture is thermally isolated from its surroundings, no thermal energy is exchanged between the system (lead and water) and the environment during the process. However, heat can still flow within the system itself until thermal equilibrium is reached. Option d is correct.

To know more about lead, here

https://brainly.com/question/13264277

#SPJ1

Answer:

mars is to hot

Explanation:

A certain wire has resistance R. Another wire, of the same material, has half the length and half the diameter of the first wire. The resistance of the second wire is R/2.

Resistance is an opposition to an idea, force, or process. It is typically used to describe a refusal to accept or comply with something. Resistance may be expressed in many different ways, including physical, verbal, mental, or emotional. Resistance can be passive or active, and it is often seen as a form of protest. Resistance can serve many different purposes, including advocating for change, expressing dissatisfaction, or simply expressing a counter-narrative.

This is because the resistance of a wire is proportional to its length and inversely proportional to its cross-sectional area. Since the length of the second wire is half of the first wire, and its cross-sectional area is also half, the resistance of the second wire is R/2.

To learn more about resistance

https://brainly.com/question/17563681

#SPJ4

Therefore, the focal length of the glasses needed is 80.32 cm. Far-sightedness or hyperopia is a type of refractive error in which distant objects are seen clearly, but nearby objects are blurry.

A person with hyperopia may have difficulty seeing objects up close. The near point is the closest point at which an object can be brought into focus.

The farthest point from which a person can see a clear image is called the far point. The near point for a far-sighted person is farther away than the normal near point of 25 cm.In order to calculate the focal length of the glasses needed for a far-sighted student, we need to use the lens formula, which relates the object distance, the image distance, and the focal length of a thin lens.

The lens formula is given as: 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance.To find the focal length of the glasses needed so that the near point is normal (25 cm), we need to find the image distance when the object distance is equal to the near point of the person (322 cm).

The image distance is given by:1/f = 1/do + 1/di1/f = 1/322 + 1/di1/di = 1/f - 1/3221/di = (322 - f)/322di = 322/(322 - f)When the near point is normal, the image distance is 25 cm. So we can write:di = 25 cm322/(322 - f) = 25 cm322 - f = 322/25f = 322 - 322/25f = (25 x 322 - 322)/25f = 80.32 cmTherefore, the focal length of the glasses needed is 80.32 cm.

To know more about hyperopia here

https://brainly.com/question/31664877

#SPJ11

Answer:

400m

Explanation:

From Newton's law of motion;

S = ut + 1/2 at2

Where U is initial velocity

a is acceleration

t is velocity hence;

S is distance covered

S = 20×10 + 1/2 × 4×(10)^2

= 200 + 200 = 400m

Answer:

quantitative

Explanation: quantitative research is better for scientist.

i) Infiltration capacity: Infiltration capacity refers to the maximum rate at which water can penetrate or infiltrate into the soil surface.

ii) Infiltration rate: Infiltration rate represents the actual rate at which water is infiltrating into the soil. It is the speed or velocity at which water is penetrating the soil surface

iii) Infiltration b-index: The infiltration b-index is a parameter used to estimate the soil moisture retention characteristics and infiltration rate of a soil.

b) To calculate the total runoff, we need to determine the excess rainfall for each time interval and sum them up.

Excess rainfall = Rainfall rate - Phi-index

For the four intervals:

Excess rainfall1 = 12.5 cm/h - 7.5 cm/h = 5 cm/h

Excess rainfall2 = 17.5 cm/h - 7.5 cm/h = 10 cm/h

Excess rainfall3 = 22.5 cm/h - 7.5 cm/h = 15 cm/h

Excess rainfall4 = 7.5 cm/h - 7.5 cm/h = 0 cm/h

Now, we can calculate the total runoff by summing up the excess rainfall for all intervals:

= 5 cm/h + 10 cm/h + 15 cm/h + 0 cm/h

= 30 cm/h

c) The runoff coefficient can be calculated by dividing the observed annual runoff by the corresponding annual rainfall.

Converting the units to the same length scale:

Annual runoff = 150 Mm³ = 150,000,000,000 m³

Annual rainfall = 750 mm = 0.75 m

Runoff coefficient = 150,000,000,000 m³ / 0.75 m

= 200,000,000,000

Infiltration refers to the process by which water enters and permeates into the soil or porous surfaces. It occurs when precipitation, such as rain or snow, falls onto the ground and is absorbed into the soil or surface materials. Infiltration plays a crucial role in the water cycle and is a key process in hydrology.

The rate of infiltration is influenced by various factors, including soil type, vegetation cover, slope gradient, and the initial moisture content of the soil. Soils with high permeability, such as sandy soils, typically have a higher infiltration rate compared to soils with low permeability, such as clay soils. Infiltration is important for replenishing groundwater reserves, as it allows water to percolate downward and recharge aquifers. It also helps to reduce surface runoff, erosion, and flooding by absorbing and storing water within the soil profile.

To learn more about Infiltration visit here:

brainly.com/question/30639661

#SPJ11

The option that represents your employer's responsibility is to develop a  written hazard communication program. Thus, the correct option for this question is A.

The advantages of a communication program are as follows:

The responsibility of the employer is to develop and articulate the concept of a hazard communication program in detailed written form in order to satisfy the need and requirements of the team, person, society, etc. This becomes more important when it comes to synthesizing the thinking of large members in a single format.

Therefore, developing a written hazard communication program is an option that represents your employer's responsibility. Thus, the correct option for this question is A.

To learn more about Hazard communication, refer to the link:

https://brainly.com/question/2027115

#SPJ6

The apparent color of a light source in a strong gravitational field would be shifted towards the red end of the spectrum from the perspective of an observer in a weaker gravitational field.

This is due to gravitational redshift, which occurs when light is emitted from a source in a strong gravitational field and travels to a weaker gravitational field. As the light moves away from the strong gravitational field, it loses energy, causing its frequency to decrease and its wavelength to increase.

This shift towards longer wavelengths corresponds to a shift towards the red end of the spectrum, leading to the observed redshift. This effect has been observed in the light emitted by stars close to black holes.

To know more about gravitational field, here

https://brainly.com/question/12324569

#SPJ4

When scientists talk about climate, they usually mention averages of rainfall, temperature, humidity, sunshine, wind, and other climatic influences that occur over a long period of time in a particular location.Thus option A is correct.

High latitude polar and arctic air masses (60° N and S and higher) regulate climate. These climates are distinguished by low temperatures, frequent precipitation, and an unexpectedly wide variety of subtypes.

A climatic data element, such as precipitation, temperature, wind speed, or humidity, is a measured characteristic that aids in describing the climate of a particular place or region.

Therefore, Climate only consisted of temperature, rather than the modern belief that climate includes other aspects.

Learn more about Climate here:

https://brainly.com/question/8916210

#SPJ2

The closely wound coil must have approximately 51 turns to produce a magnetic field of 6.39 x \(10^{-4}\) T at a point 6.00 cm from the center of the coil along its axis.

To determine the number of turns needed for the closely wound coil, we can use Ampere's law, which states that the magnetic field at a point inside a coil is directly proportional to the current and the number of turns and inversely proportional to the radius.

The formula for the magnetic field at the center of a closely wound coil is:

B = (μ₀ * N * I) / (2 * R)

where B is the magnetic field, μ₀ is the permeability of free space (4π × \(10^{-7}\)T·m/A), N is the number of turns, I is the current, and R is the radius.

Rearranging the formula, we can solve for N:

N = (2 * B * R) / (μ₀ * I)

Substituting the given values into the equation:

N = (2 * 6.39 x \(10^{-4 }\)T * 0.06 m) / (4π × \(10^{-7}\)T·m/A * 2.50 A)

Simplifying the calculation, we find:

N ≈ 51 turns

Therefore, the closely wound coil must have approximately 51 turns to produce a magnetic field of 6.39 x \(10^{-4}\) T at a point 6.00 cm from the center of the coil along its axis.

Learn more about magnetic field, here:

https://brainly.com/question/30331791

#SPJ4

Yes, the velocity of an object can be negative when its acceleration is positive, and vice versa.

In the case where the acceleration is positive and the velocity is negative, consider an object being thrown upwards.

Initially, it moves in the positive direction (upwards) with a positive velocity. However, due to the force of gravity acting in the opposite direction, the object slows down and eventually changes direction.

At the highest point of its trajectory, the velocity becomes zero, and as it descends, the velocity becomes negative while the acceleration due to gravity remains positive.

In the case where the acceleration is negative and the velocity is positive, consider a car braking to come to a stop. Initially, the car is moving in the positive direction with a positive velocity.

When the brakes are applied, the car decelerates (negative acceleration) while still moving forward with a decreasing velocity. Eventually, the velocity becomes zero as the car comes to a stop.

These examples demonstrate situations where the velocity and acceleration have opposite signs, showing that it is possible for an object's velocity and acceleration to be of different signs.

To know more about "Velocity" refer here:

https://brainly.com/question/31479424#

#SPJ11

In a 13.2 cm³ block of Aluminum (density of 2.70 g/cm³) there are 1.32 moles.

To find the number of moles of aluminum in a 13.2 cm³ block of the metal substance, we need to use the formula:

moles = mass / molar mass

We know the density of aluminum is 2.70 g/cm³, and the volume of the block is 13.2 cm³. We can use these values to find the mass of the block:

mass = density × volume

mass= 2.70 g/cm³ × 13.2 cm³

mass= 35.64 g

Now, we need to find the molar mass of aluminum. The atomic mass of aluminum is 26.98 g/mol, so the molar mass is 26.98 g/mol.

Finally, we can plug in the values we found into the formula:

moles = mass / molar mass  

moles= 35.64 g / 26.98 g/mol

moles = 1.32 mol

Therefore, there are 1.32 moles of aluminum in a 13.2 cm³ block of the metal substance.

Learn more about moles here https://brainly.com/question/29367909

#SPJ11

Answer:

a=m/f

Explanation:

ifkvmfkb gjbn trkbv mrgvbmnrgvngkbngjbntguj

The correct order of the history of healthcare is given below,

Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.

In Babylon, people were made to wait on the streets for medical attention.

Indian doctors submerged patients' corpses in water to circumvent the prohibition on humans.

The blood, phlegm, yellow, and black bile imbalances, according to the Greeks, were responsible for sickness.

Chinese doctors treated or cured illnesses using herbs and oils.

The development of the microscope allowed medical professionals to start determining the causes of diseases.

To learn more about the science here, refer to the link;

https://brainly.com/question/18186842

#SPJ2

Time = distance / velocity

52.1 meters / 18.5 m/s = 2.82 secondsT

The speed of the train travelling in kilometre per minute is found to be 0.85km/min.

The train is travelling at a speed of 32 miles per hour. The value of 1 mile is given to be equal to 1.6 km. We know that one hour is equal to 60 minutes Already given that one mile is equal to 1.6 km.

Speed of an object is given by the distance travelled by the object per unit time.

The train is 132 miles in 1 hour so the total distance covered by the train is 32(1.6)Km.

The total time taken by the train to cover that distance is 60 minutes.

Now, the speed of the train in kilometre per minute will be,

Speed = 32(1.6)/60

Speed = 0.85 Km/min.

So, the speed of the train in kilometre per minute is 0.85 km/min.

To know more about speed, visit,

https://brainly.com/question/13943409

#SPJ4

Answer:

Friction or tension

Explanation:

Friction stops an object from moving in the presence of force

The slope of a line is also referred to as the gradient and it is the number which describes both the direction and the steepness of the line.

This type of formula is used to calculate how steep a line is and is usually denoted as m. The formula can be seen below:

m = y2-y1 / x2-x1

Slope can be defined as the ratio of the vertical change between two points to the horizontal change between two points and measures the steepness of a line.

The chosen answers provided are therefore the most appropriate in this context.

Read more about Slope here https://brainly.com/question/3493733

#SPJ1