plss help plss i need it now​

Answer:

3

Explanation:

The above statement is True. The recommended distance from the bottom of the trench to the groundwater table or rock is indeed 62 inches. This distance helps ensure proper wastewater treatment and prevents contamination of groundwater resources.

Groundwater table The water table is an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in the rock. Water pressure and atmospheric pressure are equal at this boundary

Groundwater, which is in aquifers below the surface of the Earth, is one of the Nation's most important natural resources. Groundwater is the source of about 37 percent of the water that county and city water departments supply to households and businesses (public supply).

Learn more about the groundwater here:brainly.com/question/14241380

#SPJ11

Answer:

is d

Explanation:

In fiber optic media, the signals are represented as patterns of light. Fiber optic cables are composed of thin strands of glass or plastic that act as a transmission medium for light signals.

These signals are typically in the form of modulated light pulses that carry information. The patterns of light are created by varying the intensity or the frequency of the light waves to encode the data being transmitted.

This modulation of light allows for the representation of complex digital signals such as voice, video, and data. The patterns of light travel through the fiber optic cable by repeatedly reflecting off the walls of the cable through a process known as total internal reflection.

At the receiving end, the light signals are decoded back into their original electronic form for further processing or display.

To know more about the Fiber optic cables refer here :

https://brainly.com/question/30267683#

#SPJ11

Kinetic energy can be calculated from two measurements: an object's mass and its velocity.

The formula for calculating kinetic energy is 1/2 x mass x velocity squared which means that the kinetic energy of an object increases as its mass or velocity increases. For example, a heavy object moving slowly may have the same kinetic energy as a lighter object moving quickly. However, if the heavier object were to increase its velocity, its kinetic energy would also increase. Therefore, it is important to take into account both mass and velocity when calculating an object's kinetic energy. Kinetic energy is an important concept in physics as it helps us understand how objects move and interact with their surroundings.

To learn more about Kinetic energy click here https://brainly.com/question/26472013

#SPJ11

Electrical current is necessary for separating molecules using electrophoresis because it facilitates the movement of charged molecules in a gel matrix, allowing them to migrate towards the desired direction based on their charge.

Electrophoresis is a technique commonly used in molecular biology and biochemistry to separate and analyze molecules, such as DNA, RNA, and proteins, based on their size and charge. It involves the movement of charged molecules in an electric field within a gel matrix. The gel matrix acts as a support medium that slows down the movement of molecules, allowing for separation based on their different properties.

When an electric current is applied to the gel, it creates an electric field within the matrix. Charged molecules, such as DNA fragments or proteins, will experience a force in the direction of the electric field. The magnitude and direction of this force depend on the charge and size of the molecules. Negatively charged molecules will move towards the positive electrode (anode), while positively charged molecules will migrate towards the negative electrode (cathode).

The electric field established by the current helps to overcome the resistance of the gel matrix, allowing the charged molecules to move through it. The speed at which the molecules migrate is influenced by their charge-to-mass ratio, with smaller and more highly charged molecules moving faster than larger or less charged ones. By applying an appropriate electric current, researchers can control the migration of molecules and achieve their separation within the gel matrix. This enables the analysis of molecular components and the identification of specific molecules of interest.

To learn more about electrophoresis refer:

https://brainly.com/question/31501023

#SPJ11

ANSWER

2304 mg

EXPLANATION

The rate is given in mg per minute. To find how much the brain's mass increases in one day we have to find how many minutes are in a day.

Assuming that a day has 24 hours and 1 hour has 60 minutes:

One day has 1440 minutes. Then, in one day the brain's mass increases:

The newborn baby's brain's mass increases 2304 mg in one day.

Terrestrial planets are thought to have dense iron cores primarily due to their formation process and the differentiation of their materials.

During the early stages of planet formation, when dust and gas in a protoplanetary disk come together to form planets, heavier elements such as iron tend to sink towards the center due to their higher density. This process, called planetary differentiation, results in the formation of a dense metallic core at the center of the planet. Iron is one of the most abundant heavy elements in the universe, and its high density makes it more likely to sink towards the core during planetary formation. As the planet grows and accumulates more material, the iron-rich core becomes more prominent.

To learn more about dense iron

https://brainly.com/question/1799394

#SPJ11

'''In a series circuit, the sum of the voltages consumed by each individual resistance is equal to the source voltage. Components connected in parallel are connected along multiple paths so that the current can split up; the same voltage is applied to each component.''

The roller coaster required work to get it to the top of the initial rise, where it now possesses gravitational potential energy. It possesses some kinetic energy as well because of its sluggish motion.

Yet, kinetic mechanical energy also isn't wasted. Instead, it is converted into thermal energy or sound by the friction, which is visible as a rise in temperature all along track and the steel wheels of the roller cars.

The two types of energy that are most crucial in roller coasters are kinetic energy and gravitational potential energy. The energy that an item has due to its height is called gravitational potential energy (PE = mgh), and it is equal to the mass of the object times its height times the gravitational constant.

To know more about gravitational visit:

https://brainly.com/question/3009841

#SPJ1

Answer:

84.05

Explanation:

F=f+F

F=49.05+35

=84.05

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 6 × 3

We have the final answer as

Hope this helps you

Option C: 0.115 is the correct option.

The correct error between the thread plug gauge pitch diameter and the micrometer measurement is 0.115 mm.

Explanation:

In order to determine the correct error between the thread plug gauge pitch diameter and the micrometer measurement, we first need to calculate the difference between the two.

This will give us the error.

The formula we will use is:

Error = |Pitch Diameter - Micrometer Measurement|

Given that:

             Pitch Diameter = 22.35 mm

             Micrometer Measurement = 22.235 mm

Substituting the values, we get:

              Error = |22.35 - 22.235|

              Error = 0.115 mm

Therefore, the correct error is 0.115 mm.

Option C: 0.115 is the correct option. The correct error between the thread plug gauge pitch diameter and the micrometer measurement is 0.115 mm.

To know more about micrometer measurement, visit:

https://brainly.com/question/29429877

#SPJ11

Answer:

Explanation:

The answer is radiation.

When an object is released with an initial velocity upward, the direction of its acceleration is typically downward.

This is because the force of gravity, which acts on the object, pulls it in the opposite direction to its motion. According to Newton's second law of motion, the net force on an object is equal to its mass multiplied by its acceleration. In this case, the force of gravity acts as the net force, causing the object to accelerate downward.

The acceleration due to gravity is approximately 9.8 meters per second squared on Earth, and it acts downward towards the center of the planet. Therefore, when the object is released with an initial velocity upward, the gravitational force causes it to decelerate and eventually change direction, resulting in a downward acceleration. This downward acceleration opposes the initial upward velocity of the object until it eventually reaches its peak and starts to fall back down under the influence of gravity.

To know more about initial velocity

https://brainly.com/question/28395671

#SPJ4

(a). The acceleration of the methanol powered dragster is calculated as 245.47 m/s².

(b). The time that the dragster will take to complete a 1/4 mile distance is calculated as 5.49 seconds.

As per data:

The final speed of the fastest dragster ever reached is 338 mph.

To convert mph to m/s, we need to multiply by

0.44704.338 mph × 0.44704 = 151.53 m/s

The distance that a dragster travel is 1/4 mile.

1 mile = 1609.34 m.

1/4 mile = 1609.34 / 4

             = 402.34 m.

(a). Assuming the dragster's acceleration to be constant, what will it be?We need to find the acceleration of the methanol powered dragster.

The formula to calculate acceleration is:

v² - u² = 2as

Where,

v = final velocity

u = initial velocity

s = distance

t = time

The initial velocity is 0 because the dragster starts from a standstill.

v = 151.53 m/s, t = ?, s = 402.34 m, a = ?

By substituting the given values, we get:

151.53² = 2 × a × 402.34

a = (151.53²) / (2 × 402.34)

a = 245.47 m/s².

Therefore, the acceleration of the methanol powered dragster is 245.47 m/s².

(b). How long will the dragster take to finish the 1/4 mile?

We need to find the time that the dragster will take to complete the 1/4 mile distance.

The formula to calculate time is:

v = u + at

Where,

v = final velocity

u = initial velocity

a = acceleration

t = time

By substituting the given values, we get:

151.53 = 0 + (245.47 × t)

t = 0.6179 s

Now, we need to convert seconds into milliseconds.

1 s = 1000 ms.

0.6179 s = 0.6179 × 1000 ms

              = 617 ms.

Therefore, the time that the dragster will take to finish the 1/4 mile is 5.49 seconds (617 ms).

To learn more about acceleration from the given link.

https://brainly.com/question/460763

#SPJ11

The fact that it took billions of years for human intelligence to evolve on Earth suggests that intelligence might be relatively uncommon. This is because it implies that the emergence of intelligence is a slow and difficult process that requires a long series of improbable events, such as the development of complex multicellular life, the evolution of a large brain, and the development of sophisticated cognitive abilities.

The fact that human evolution was influenced by random events like the K-T impact further suggests that the emergence of intelligence is not a foregone conclusion, and that the history of life on Earth is characterized by contingency and chance.

However, it is also worth noting that these arguments are based on a sample size of one, and that we have no direct evidence of the likelihood of intelligence arising on other planets with life. It is possible that the emergence of intelligence is a relatively common occurrence in the universe, or that it is exceedingly rare. Without more data, it is difficult to say for certain either way.

To know more about human intelligence,

https://brainly.com/question/28144964

#SPJ11

The size of the shadow hangs on the distance of the source of light and on the angle at which the light rays drop on the object.

A person or object chunks more light when the sun is low in the sky. More brick light makes shadows longer. Less light is wad when the sun is high in the sky. This makes shadows shorter. The angle at which light hit an object affects the size and shape of its shadow. Shadows are longer when the light source is at a low angle (side on) and squat when the light source is at a higher angle (overhead). find design when investigating how shadows change size and how a shadow is formed understand the role of light-position

So we can conclude that The Sun's position in the sky influences the length of the shadow. When the Sun is low on the horizon, the shadows are long.

Learn more about shadow here: https://brainly.com/question/922673

#SPJ1

Answer

P = E / t        Power = work per unit time

t = E / P = 96.0E-6 watts / (1000 * .125 watts / sec) m= 7.68E-7 sec

B. move farther apart

Note that:

• The higher the temperature of a substance, the higher the kinetic energy possessed by its molecules

• The higher the kinetic energy possessed by the molecules, the higher their speed of motion

• The molecules of a gas have higher kinetic energy, hence they collide with each other and with the wall of the container.

When water is heated from 25°C to a gas at 100°C, the molecules posses higher kinetic energy(due to increase in temperature). Therefore, they move farther apart.

Answer:

.587 s

Explanation:

d = 1/2 a t^2

1.69 m  = 1/2 ( 9.81 m/s^2) (t^2)

  t = .587 s

A single layer of sedimentary rock is known as a bed or stratum (plural: strata). Each bed contains rock of a single composition and texture and can clearly be distinguished from the beds or strata above and below. This layering of strata is unique to sedimentary rocks and occurs because of the way that sediments are deposited.

Answer:

Initial velocity is the velocity at time interval=0 and it is represented by u.lt is the velocity at which the motion starts. they are four initial velocity formulas:(1) if time, acceleration and final velocity are provided,the initial velocity is articulated as.

l hope it's helpful for you.....

The most scientific guess (hypothesis) based on what is known about the behavior of galaxies is that Galaxies are continuously moving away from each other. This hypothesis can be tested using Hubble's Law.

Hubble's law indicates that almost all galaxies are moving apart from one another because the universe as a whole is expanding. Choose any two galaxies at arbitrarily, and they're most likely traveling apart from each other.

Hubble discovered that galaxies move away from us at a rate proportionate to their distance: more distant galaxies move away faster than closer ones. The accompanying graphic shows Hubble's classic graph of measured velocity vs. distance for neighboring galaxies.

The graph shows a linear relationship between galaxy velocity (v) and distance (d).

The equation for the above linear relationship is:

                                          v = H₀ x d

Where:

H₀ is the expansion rate

v = velocity of the galaxy; and

d = distance.

Using the above formula, the astronomer can measure or test to know whether indeed the new galaxy is moving relative to the Milky Way galaxy and at what rate.

Learn more about Galaxies:
https://brainly.com/question/13956361
#SPJ1

The speed of the wind is 17 mph and the speed of the plane in still air is 119 mph.

Let the speed of the plane be x and the speed of the wind be y. Then, the speed of the plane with the wind becomes x + y, while the speed of the plane against the wind is x - y.

The distance traveled with the wind in 3 hours is 408 miles.

Therefore, we can write the equation as:

3(x + y) = 408

Divide both sides by 3:

x + y = 136  .... (1)

The distance traveled against the wind in 4 hours is also 408 miles.

Therefore, the equation can be written as:

4(x - y) = 408

Divide both sides by 4:

x - y = 102  .... (2)

Now we can solve these two equations using the elimination method.

Add equations (1) and (2):

x + y + x - y = 136 + 1022x = 238x = 119 mph

Therefore, the speed of the plane in still air is 119 mph.

Now, substitute this value of x in equation (1):

119 + y = 136y = 17 mph

Therefore, the speed of the wind is 17 mph.

Learn more about the speed at https://brainly.com/question/13943409

#SPJ11

The correct question is:

A plane flies 408 mi with the wind in 3 hr. The return trip takes 4 hr. What is the speed of the wind and the speed of the plane in still air?

The object will eventually experience a large vertical acceleration since the vertical velocity increases as the object moves downwards.

The horizontal motion of a projectile is the motion of the projectile along a horizontal path.

The horizontal distance of a projectile is not affected by gravity and hence the horizontal speed of a projectile remains constant. That is the initial horizontal velocity is equal to the final horizontal velocity of the projectile.

However, the during the vertical motion an object, the vertical velocity decreases as the object moves upwards and eventual becomes zero when the object reaches the maximum height.

As the object begins to move downwards the vertical velocity increase and eventually become maximum before the object hits the ground.

Learn more about vertical acceleration here: https://brainly.com/question/8564131

#SPJ1

Answer:

lonic compounds generally form between elements that are metals and elements that are nonmetals. For example, the metal calcium (Ca) and the nonmetal chlorine (Cl) form the ionic compound calcium chloride (CaCl2). In this compound, there are two negative chloride ions for each positive calcium ion.

Explanation:

Answer:Ionic compounds generally form between elements that are metals and elements that are nonmetals. For example, the metal calcium (Ca) and the nonmetal chlorine (Cl) form the ionic compound calcium chloride (CaCl2). In this compound, there are two negative chloride ions for each positive calcium ion.

Explanation:

Answer:

Explanation:

The velocity of the car can be found by using the formula

\(v = \frac{d}{t} \\ \)

d is the distance

t is the time taken

From the question we have

\(v = \frac{400}{16} \\ \)

We have the final answer as

Hope this helps you

With 4.3 m/s velocity, is the cheetah running.

velocity= distance/time

distance=27.6 m

time=6.3 s

velocity=27.6 m/6.3 s

velocity=4.3 m/s

A vector number known as velocity describes "the pace at which an item changes its location." Imagine a person moving quickly, taking one stride ahead, one step back, and then beginning from the same place each time. A vector quantity is velocity. As a result, velocity is aware of direction. One must consider direction while calculating an object's velocity. Saying that an item has a velocity of 55 miles per hour is insufficient. The direction must be included in order to adequately characterize the object's velocity. Simply said, the velocity vector's direction corresponds to the motion of an item.

To know more about  velocity visit : brainly.com/question/16379705

#SPJ9

Since the mass is not present, the tension in the rope T = 0 N.

Tension, in physics, is be defined to be the pulling force transmitted axially by the means of a string, a rope, chain, or similar object. The opposite of tension could be compression.

At the atomic level, when atoms/molecules are pulled apart from each other and gain potential energy with a restoring force still existing, the restoring force might create tension.

Tension is a pulling force since it is exerted when a mass being pulled by a rope or a similar object. If the mass is not present, then there is no tension (pulling force) exerted by the rope, hence T = 0 N.

Learn more about tension here: https://brainly.com/question/2008782

#SPJ4