Answer: if this is the same question I think it’s 24
Explanation:
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A cannonball is fired on flat ground
at 520 m/s at a 58.0° angle.
How much time is it in the air?
(Unit = s)
Answer:
90 seconds
Explanation:
What disagreement did Sigmund Freud have with both Josef Breuer and Jean Martin Charcot?
A. whether hypnosis was a neurological or psychological phenomenon
B. whether hypnosis should be conducted with pregnant women
C. whether hypnosis had any value as a curative remedy for patients
D. whether hypnosis was an effect of a "hidden observer" or the id
Answer:
The correct answer is 'A'
Explanation:
I guessed and was correct.
Freud backed Bernheim's efforts to establish hypnosis and suggestion as acceptable fields of study for science and to advance them as therapeutic tools. Thus, option A is correct.
What is the neurological or psychological phenomenon?Both neurologists and psychiatrists treat illnesses and ailments that affect the brain and the psyche. However, while psychiatrists focus on psychological issues, neurologists are experts in physiological illnesses.
According to medical terminology, neurological disorders are conditions that impact the spinal cord, brain, and body's nerves.
A variety of symptoms can be caused by structural, metabolic, or electrical abnormalities in the brain, spinal cord, or other nerves.
Therefore, whether hypnosis was a neurological or psychological phenomenon.
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Which athelete broke two world records twice this year?
Answer:
Michael
Explanation:
Students have been assigned to write reports on cell organelles. Eric’s report is about the organelle that supports and gives structure to plant cells. Which organelle is Eric writing about?
A. Chloroplast
B. Cell wall
C. Mitochondria
D. Nucleus
Cell wall is that organelle that gives structure to plant cells. A cell wall is a structural layer that surrounds certain types of cells. It can be hard, flexible, or rigid at times.
What is a cell wall?A cell wall is a structural layer that surrounds certain types of cells. It can be hard, flexible, or rigid at times. It functions as a filtration system as well as structural support and cell protection. Many eukaryotes, including animals, lack cell walls, though fungi, algae, and plants, as well as the vast majority of prokaryotes, do (except mollicute bacteria). One of their primary functions is to act as pressure channels, preventing the cell from over-expanding when water enters.The polysaccharides cellulose, hemicelluloses, and pectin make up the primary cell wall of land plants. Other polymers, such as lignin, suberin, and cutin, are frequently anchored to or embedded in plant cell walls.To learn about organelles refer to:
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6. The race car in the previous problem slows from
36 m/s to 15 m/s over 3.0 s. What is its average
acceleration?
Answer:
a_AV - 15 m/s – 36 m/s =-70 m/s2. At. 3.0 s.
Explanation:
The average acceleration of the car as it slows down is -5 m/s².
Given is a race car that slows down from 36 m/s to 15 m/s in 3 seconds.
initial velocity [u] = 36 m/s
final velocity [v] = 15 m/s
time taken [Δt] = 3 s
We can calculate the acceleration as follows -
a = Δv/Δt
a = (v - u) / Δt
a = (15 - 30)/3
a = -15/3
a = -5 m/s²
Therefore, the average acceleration of the car as it slows down is
-5 m/s².
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Estimate the total mass of ocean on earth
A skateboarder rolls horizontally off the top of a staircase at a speed of
14.5 ms and lands at bottom of the stairs. The staircase has a horizontal length of
8.00m 8.00m8, point, 00, start text, m, end text. We can ignore air resistance. What is the skater's vertical displacement during the jump?
Answer:
The skater's vertical displacement during the jump is 1.49 meters
Explanation:
Horizontal Motion
When an object is thrown horizontally with a speed v from a height y, the range or maximum horizontal distance traveled by the object can be calculated as follows:
[tex]\displaystyle x=v\cdot\sqrt{\frac {2y}{g}}[/tex]
If we already know the value of x, we can solve the above equation for h:
[tex]\displaystyle y=\frac {x^2g}{2v^2}[/tex]
We use the given values v=14.5 m/s, x=8 m, [tex]g=9.8 m/s^2[/tex]:
[tex]\displaystyle y=\frac {8^2\cdot 9.8}{2\cdot14.5^2}[/tex]
y = 1.49 m
The skater's vertical displacement during the jump is 1.49 meters
Answer:
The answer is -1.49 m not 1.49 m
Explanation:
It is referencing displacement from a higher point to a lower.
A land rover drops from rest a vertical distance of 1000 m to the surface of planet in 15 seconds what is the magnitude of the acceleration due to gravity on the planet
Answer:
66.6 or it could be 66.66 one of those
Explanation:
What type of System interact with its environment
Answer:
System management
Explanation:
If a red blood cell with a 0.5M salt concentration is placed into a 2M salt solution, what will happen to the blood cell?
Answer:
The blood cell will expand.
Explanation:
Given that,
Salt concentration = 0.5M
Solution concentration = 2M
We know that,
Hypertonic solution :
If the solution concentration is lower than the solute concentration then it is called hypertonic solution.
Hypotonic solution :
If the solution concentration is higher than the solute concentration then it is called hypotonic solution.
We need to find what will happen to the blood cell
Using given data
The solution concentration is higher than the solute concentration.
So, The solution will be hypotonic solution.
We know that,
When a cell is placed in a hypotonic solution then the water will enter the cell, and the cell will expand.
Hence, The blood cell will expand.
Answer:
The blood cell will expand.
Explanation:
Just took a test.
{Hope this helps} : )
Elements in the same group or family share important
Elements in the same group or family share important properties due to their similar electronic configurations and valence shell structure.
The periodic table is organized based on the electronic structure of atoms, specifically the arrangement of electrons in energy levels or shells. Elements within the same group or family of the periodic table have similar outer electron configurations, leading to shared properties and behaviors.
Elements in a group have the same number of valence electrons, which are the electrons in the outermost shell or energy level of an atom. Valence electrons are crucial because they determine an element's chemical reactivity and its ability to form bonds with other atoms.
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the Ability of water to pass through layers of soil and rock is....
1. impermeable
2. permeability
3. gradient
4. porosity
A rotating pulley completes 12 rev in 4 secs determine the average angular velocity in rev /s, rpm and in rad/s
Answer: The average angular velocity for a rotating pulley is 3 rev/s, 180 rpm, 6π rad/s.
The pulley turns rotating when the rope tugged and completes 12 rev in 4 seconds.
How to determine the average angular velocity?If we consider a pulley rotating in a same axis, every point in the pulley has the same angular velocity.
Formula for angular velocity:
ω = Δθ / Δt
The average angular velocity can be defined as the ratio of the angular displacement to the time.
θ = 12 rev, t = 4s
1 revolution = 2π rad
It can be solved as:
Revolutions / second:
rev / s = 12 / 4
= 3
Revolutions per minute:
rpm = ( 12/4) × 60
= 180
Radian / second :
rad/s = (12×2π / 4 )
= 6π
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– Un automóvil A viaja hacia el este a 80 Km/h, mientras que un segundo automóvil B viaja en la misma carretera a 70 Km/h. Determine la velocidad del automóvil B medida desde el automóvil A si: a) Viajan en sentido contrario acercándose uno al otro. B) Viajan en el mismo sentido.
Answer:
la respuesta esta abajo
Explanation:
La velocidad de un objeto A relativa a otro objeto B es la velocidad que el objeto A parecería tener para un observador que se mueve con B.
a) La velocidad relativa de dos cuerpos que se mueven en la dirección opuesta es la suma de su velocidad. Por lo tanto:
Velocidad relativa = 80 + 70 = 150 km / h
b) La velocidad relativa de dos cuerpos que se mueven en la misma dirección es la diferencia entre su velocidad. Por lo tanto:
Velocidad relativa = 80 - 70 = 10 km / h
How do streams flow?
Answer: When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes, on its journey towards the seas. As small creeks flow downhill they merge to form larger streams and rivers. Rivers eventually end up flowing into the oceans.
Explanation:
A light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.
Answer:
Please find the answer in the explanation
Explanation:
Given that a light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.
If you could only see the lights in the circuit and the wires were covered up, how could you tell the type of circuit?
The type of the circuit can be determined if you loose or unscrew one light bulb, all other bulbs will be switched of if connected in series. But if the others remain on it is a parallel circuit.
what is the least efficient way to roast a marshmallow using heat transfer conduction, convection, or radiation?
Answer:
convection
Explanation:
The only way convection can only take place in liquids and gas.Since the marshmello is neither,convection is the least effective way
awnser thiss i need awnsers
Answer:
B
Explanation:
Density = mass / volume
Less dense objects float to the surface so if the liquid becomes 1000 kg/m3 then it is the densest thing in the mixture, except for Q which has a density = to that of the water so it will stay in place around the middle, since the other two are more dense they will go to the bottom of the container.
An object has a mass of 20,000kg and a density of 4000kg/m? What is its
volume?
car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?
Help!!!!
Answer:
[tex]a=-1.388\ m/s^2[/tex]
Explanation:
Initial velocity of car, u = 50 km/h = 13.88 m/s
It stops, v = 0
Time, t = 10 s
We need to find the car's deceleration while slowing down. As the car is slowing down, it will have deceleration. It can be calculated as follows :
[tex]a=\dfrac{v-u}{t}\\\\a=\dfrac{0-13.88 }{10}\\\\a=-1.388\ m/s^2[/tex]
So, the deceleration of the car is [tex]1.388\ m/s^2[/tex].
What will most likely happen if a sound wave moves from the air through a solid? It will increasein wavelength It will decrease in speed It wil increase in speed It will decrease in wavelength.
Answer:
C. it will increase in speed
Explanation:
on edge 2020 :)
Answer:
It will increase in speed.
Explanation:
sound waves travel the fastest through solids, slower through liquids, and slowest through gases
Does a car's odometer and speedometer give an accurate measure of the car's velocity ?
A sudent is given an example of an unknown liquid in the laboratory the student thinks that the liquid is water what which of the following properties of the sample is most helpful to determine the if the liquid is water
Answer:
Color. Smell?
Explanation:
Answer:
Freezing Point or Boiling Point
Explanation:
Hope this helps!
Select the correct answer.
Type O negative blood is considered the universal red blood cell donor because it
OA.
Has all 3 types of antigens.
OB.
Has all 3 types of antibodies.
Lacks all 3 types of antigens.
OD
Lacks all 3 types of antibodies.
Answer:
The answer is C.) Lacks all 3 types of antigens.
The concept of "magnetisme animal" implied which of the following?
A. Most animals are magnetically conductive.
B. A person's health is related to their pets.
C. Every person has a raw, magnetic energy.
D. Vegetarians lack essential curative properties.
Answer:
C.
Every person has a raw, magnetic energy.
Explanation:
Yes, I can confirm this is correct, I got 100% on the quiz edge 2020
have a great day !
The concept of "magnetism animal" implied that every person has a raw, magnetic energy. Hence option C is correct.
What is magnetic energy?Magnetic energy is defined as the shifting of the electrons' charge in various particles. Magnetism is the force that magnets employ to either attract or repel one another. Electric charges in motion are what generate magnetism.
Supposedly invisible or mysterious energy known as "animal magnetism" is claimed to affect people. Franz Mesmer, a German physician, used the term "animal magnetism," also known as mesmerism, to describe what he believed to be an innate natural power that all living things, including people, animals, and plants, had.
Thus, the concept of "magnetism animal" implied that every person has a raw, magnetic energy. Hence option C is correct.
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Which of the following solar oven design materials would serve as the best insulator to minimize the transfer of thermal energy from the inside of the solar oven to the surroundings?
1.white paper lining the interior
2.metal platform
3.foil on the exterior flap
4.layers of cotton lining the interior
Answer:
layers of cotton lining the interior
Explanation:
Dos pilotos suicidas, que están inicialmente a una distancia de 500 m entre sí, deciden chocar directamente de frente arrancando ambos desde el reposo. Ambos autos pueden desarrollar una aceleración máxima constante de 15 m/s2 . Si el piloto A arranca un segundo antes que el piloto B, encuentra: a) la posición donde los autos chocan, medida a partir de la posición donde arranca el piloto A, y b) la rapidez relativa de la colisión (la rapidez de B con respecto a A justo antes de la colisión, ó viceversa).
Answer:
a) El punto de colisión de los dos automóviles desde donde parte el conductor del automóvil A es de aproximadamente 293,14 metros.
b) La velocidad del automóvil A, en relación con la velocidad del automóvil B, es de 15 m / s
Explanation:
Los parámetros del movimiento son;
La distancia entre ambos coches = 500 m
La aceleración de ambos coches = 15 m / s²
La dirección de movimiento de ambos coches = uno hacia el otro
La hora de inicio del conductor A = Un segundo antes de la hora de inicio del conductor B
Por lo tanto, de la ecuación de movimiento, tenemos;
s = u · t + 1/2 · a · t²
v² = u² + 2 · a · s
Dónde;
u = La velocidad inicial de los autos = 0 (los autos parten del reposo)
t = El tiempo de movimiento de una aceleración dada
a = La aceleración = 15 m / s²
s = La distancia recorrida en el tiempo t
Por lo tanto, para el controlador A, tenemos;
s₁ = 0 × (t + 1) + 1/2 × 15 × (t + 1) ² = 7.5 × (t + 1) ²
s₁ = 7.5 × (t + 1) ²
Para el conductor B, tenemos;
s₂ = 0 × t + 1/2 × 15 × t² = 7.5 × t²
s₂ = 7,5 × t²
Dado que ambos chocan a lo largo del camino de 500 m, tenemos;
s₁ + s₂ = 500 metros
∴ 7.5 × (t + 1) ² + 7.5 × t² = 500
∵ s₁ + s₂ = 7.5 × (t + 1) ² + 7.5 × t²
Lo que da;
15 · t² + 15 · t + 7.5 = 500
15 · t² + 15 · t - 492,5 = 0
Resolver usando la aplicación en línea da; t = -6,25181 o t = 5,25181
Dado que t es un número natural, tenemos el valor correcto para t = 5.25181 segundos
a) Por tanto, el punto de colisión de los dos coches desde donde parte el conductor del coche A es;
s₁ = 7.5 × (t + 1) ² = 7.5 × (5.25181 + 1) ² ≈ 293.14 metros
El punto de colisión de los dos automóviles desde donde parte el conductor del automóvil A ≈ 293,14 metros
b) La semilla de A en el punto de colisión se da de la siguiente manera
Velocidad, v₁ = u + a × (t + 1) = 0 + 15 × (5.25181 + 1) ≈ 93.78
v₁ ≈ 93,78 m / s
La semilla de B en el punto de colisión también se da de la siguiente manera
Velocidad, v = u + a × (t) = 0 + 15 × 5.25181 ≈ 78.78
v₁ ≈ 78,78 m / s
Por lo tanto, la velocidad del automóvil A, en relación con la velocidad del automóvil B, [tex]v_{relative}[/tex] se da como sigue;
= v₁ - v₂ = 93,78 m / s - 78,78 m / s = 15 m / s
la velocidad del automóvil A, relativa a la velocidad del automóvil B = 15 m/s.
Which of the following is NOT a likely result of regular physical activity?
Answer
decreased attention span
Explanation:
What is the best definition of marginal cost?
Answer:
Marginal cost is the money paid for producing one more unit of a good.
Explanation: