Why are understandings of patterns so important to human development?
Answers
Answer:
Understanding patterns is important for human development because it allows us humans to make more Educated guesses in life. It allows the human brain to strengthen its logical thinking.
Explanation:
For example: A baby will occasionally learn to roll over or crawl through time. The pattern of doing such things allows the baby to learn more from its actions to make new ones.
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Related Questions
A bathroom heater uses 10.5 A of current when connected to a 120. V potential difference. How much power does this heater dissipate
Answers
The bathroom heater dissipates 1260 watts of power when connected to a 120 V potential difference and drawing 10.5 A of current.
To calculate the power dissipated by the bathroom heater, we need to use the formula P = VI, where P is the power, V is the potential difference, and I is the current. In this case, the current is 10.5 A and the potential difference is 120 V. Plugging these values into the formula, we get:
P = (120 V) * (10.5 A) = 1260 W
Therefore, the bathroom heater dissipates 1260 watts of power when connected to a 120 V potential difference and drawing 10.5 A of current. This is a fairly high amount of power for a bathroom heater and should be taken into consideration when using it. It is important to make sure that the electrical circuit and wiring can handle this level of power to prevent any potential hazards. Additionally, using a high wattage heater can also result in higher energy bills, so it's important to use it efficiently and only when needed.
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The basic requirement for a cloud to collapse to form a star is that __________.
Answers
Answer:
Explanation:
The interstellar gas cloud will remain in hydrostatic equilibrium as long as the kinetic energy of the gas pressure is in equilibrium with the potential energy of the internal gravitational force.
To maintain equilibrium, the potential gravitational energy must be twice the internal thermal energy. If the cloud is so massive that the gas pressure is insufficient to maintain it, the cloud undergoes gravitational collapse.
A physics student spins a bucket of water over her head in a circular path in order to demonstrate centripetal force. She fills the bucket half-full with water first, and then empties out half of its contents (so that the bucket is a quarter-full) for her next trial. In which case is more force required to spin the bucket, and why? Explain using relevant force equation(s).
Answers
Answer:
The first case requires more force to spin de bucket.
Explanation:
As we know, the centripetal force is directly proportional to the mass, the equation is given by:
\(F_{c}=ma_{c}\)
The first case has a quarter more water than the second case, therefore the first case requires more force to spin de bucket.
I hope it helps you!
when we add a displacement vector to another displacement vector, the result is:
Answers
University Physics A displacement vector is also a vector quantity as well as the total of all vector quantities given a vector. Therefore, the effect of adding two displacement vectors is another displacement.
The displacement vector can be located in what way?Written as d = (x2 - x1)i + (y2 - y1)j, the displacement vector d from P1 to P2 can be understood. The displacement, denoted by the symbol d, consists of (x2 - x1) units in the x-direction and (y2 - y1) units in the y-direction. d = (((x2 - x1)2 + (y2 - y1)2)12 represents the displacement's magnitude. The Pythagorean theorem leads to this.
The reason why displacement is a vector
A physical quantity with both directions and magnitude is referred to as a vector quantity. The fact that displacement has both a magnitude and a direction makes it a vector quantity.
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A beam of blue light causes photoelectrons to be emitted from a photoemissive surface. An increase in the intensity of the blue light will cause an increase in the__.
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A beam of blue light causes photoelectrons to be emitted from a photoemissive surface. An increase in the intensity of the blue light will cause an increase in the number of photoelectrons emitted. Therefore, an increase in the intensity of blue light will cause an increase in the light intensity.
What is light? Light is a type of electromagnetic radiation that travels in waves at a velocity of 299,792 kilometers per second (km/s) in a vacuum. It is a form of energy and, like all forms of energy, can be transferred. Light, like other electromagnetic waves, has both electric and magnetic fields that oscillate perpendicularly to one another at right angles.Light has a very important property, which is its intensity. The amount of light that passes through a given area or space per unit time is known as light intensity. It is the amount of light energy that falls on a unit area in a given time. The energy of light, like all energy, can be described in terms of photons.
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3. During a circus performance, a 72 kg human cannonball is shot out of an 18 m long cannon. a. Of the human cannonball spends 0.95 s in the cannon, determine the average net force on him in the barrel of the cannon. b. What will the velocity of the human cannonball be at it leaves the cannon
Answers
The human cannonball will depart the cannon at a velocity of 2872.8 N.
These details are what we know:
M = n72 kg, Y = 18 m, and T = 0.95 s.
From this point, the acceleration is calculated using the equation y=1/2at2.
A = (2 x 18m)/(0.95s2) = 36/0.9025 = 39.9m/s2.
We then apply the formula F = ma F=(72kg) x (39.9) = 2872.8N.
The average net force acting on him while he is inside the cannon's barrel is 2872.8N.
What does velocity vs. speed mean?Velocity, as opposed to speed, refers to the pace and direction of an object's movement as it moves down a path. In other words, whereas velocity is a vector, speed is a scalar quantity.
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Calculate the magnetic force of 10C charged particle which is moving with a velocity of 2m/s in an magnetic field of 0.5T? The direction of magnetic field is same as that of path of the second particle.
Answers
Answer:
i think it is 20.5
Explanation:
What is the mass in english units
Answers
Answer:
Definition
Dimension English Engineering Unit SI unit
time second (s) second (s)
length foot (ft) metre (m)
mass pound mass (lb) kilogram (kg)
force pound-force (lbf) newton (N
how would you describe the direction of the electric fields for all the points with one simple statement?
Answers
The direction of the electric fields for all the points can be described with one simple statement that states "Electric fields flow from the point of the positive charge to the point of the negative charge".
Positive charges generate electric fields that travel outward from their positions. Negative charges generate electric fields that travel inwards toward their positions. Electric fields are invisible and have no mass or charge.
The direction of the electric field is always perpendicular to the equipotential lines, indicating the direction of the force acting on the charge. When two charges are placed near each other, they will create electric fields. The electric fields will interact with each other, and the resulting force is a product of the interaction of the electric fields.
The electric field generated by the negative charge flows towards the positive charge. The electric field generated by the positive charge flows away from the positive charge.
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A red wagon with a mass of 7\, {\text{kg}}7kg7, start text, k, g, end text is moving with a velocity of 4\,\dfrac{\text{m}}{\text{s}}4
s
m
4, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction straight toward a blue wagon at rest. The red wagon’s mass is 777 times the mass of the blue wagon. The final velocity of the red wagon is 3\,\dfrac{\text{m}}{\text{s}}3
s
m
3, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction .
What is the velocity of the blue wagon immediately after the red wagon collides with it?
Answers
The velocity of the blue wagon immediately after the red wagon collides with it is 7 m/s
How do I determine the velocity of the blue wagon after collision.?From the law of conservation of linear momentum, we understood that momentum before collision is equal to momentum after collision as shown below:
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
Where
m₁ and m₂ are the masses of the two objectsu₁ and u₂ are the initial velocities of the two objectsv₁ and v₂ are the final velocities of the two objectsWith the above formula, we can obtain the velocity of the blue wagon as follow:
Mass of red wagon (m₁) = 7 KgInitial velocity of red wagon (u₁) = 4 m/sMass of blue wagon (m₂) = m₁ / 7 = 7 / 7 = 1 KgFinal velocity of red wagon (v₁) = 3 m/sFinal velocity of red wagon (v₂) = ?m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
(7 × 4) + (1 × 0) = (7 × 3) + (1 × v₂)
28 = 21 + v₂
Collect like terms
v₂ = 28 -21
v₂ = 7 m/s
Thus, the velocity of the blue wagon after collision is 7 m/s
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The downward force acting on an object in free fall is the force of ___________
Answers
When serving you start on the right and must hit to which designated area?
- right side you are looking at
- left side you are looking
- any place over the net
(pickle ball)
Answers
you can serve to anyplace over the net
what volume of brass of density 8.5g/cm3 must be attached to a piece of wood of mass 100g and density 0.2g/cm3 so that the two together will submerge beneath water?
Answers
Answer:
To solve this problem, we need to use the principle of buoyancy(Archimedes Principle), which states that an object will float in a fluid if the weight of the displaced fluid is equal to the weight of the object. In this case, the weight of the displaced fluid is equal to the weight of the brass and the wood combined.
Let V1 be the volume of the brass and V2 be the volume of the wood.
The weight of the brass is given by:
W1 = m1g = ρ1V1g
where ρ1 is the density of the brass and m1 is the mass of the brass.
The weight of the wood is given by:
W2 = m2g = ρ2V2g
where ρ2 is the density of the wood and m2 is the mass of the wood.
The weight of the displaced fluid is given by:
Wf = ρfg(V1 + V2)
where ρf is the density of the fluid (which we assume to be water), and g is the acceleration due to gravity.
Since the object is submerged, the weight of the displaced fluid is equal to the weight of the object:
W1 + W2 = Wf
Substituting the above expressions, we get:
ρ1V1g + ρ2V2g = ρfg(V1 + V2)
Simplifying and rearranging the terms, we get:
V1 = (ρf/ρ1) x [m2/(m1+m2)] x (ρ1 - ρ2)
Substituting the given values, we get:
V1 = (100/((100+V2)/8.5)) x (0.2 - 8.5)
We can solve this equation for V2 by trial and error, or by using a numerical method such as the bisection method or the Newton-Raphson method. The solution is:
V2 ≈ 554.6 cm³
Therefore, the volume of brass required to attach to the wood is approximately 554.6 cm³.
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53.33 cm3 is how much brass there is.
The Wood-brass system's density must match that of water in order to simply float on it, or 1.
Therefore, Overall mass divided by total volume is the wood brass system's density.
By plugging the data into the aforementioned equation, we obtain the following values: 1 = 8.5v + 100/v + 500 v + 500 = 8.5v + 100, 400 = 7.5v, and v = 400/7.5 = 53.33 ml.
Hence, the brass has a volume of 53.33 cm3.
How do mass and weight differ?The volume of substances that make up an object typically expressed in terms of mass. The gravitation pull on in an object is measured by its weight, which is a unit of force. Weight is a location-dependent property, but mass is not.
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An object is moving with constant speed in a circular path. The object's centripetal acceleration remains constant in
A)
magnitude, only
B)
direction, only
C)
both magnitude and direction
D)
neither magnitude nor direction
Answers
Both magnitude and direction. Centripetal acceleration always act towards the center of the circle and have constant value.
What is centripetal acceleration?"When a body moves in a circular path the acceleration acting towards the center of the circle is called centripetal acceleration." Hence the magnitude and direction will not change.
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On the Moon , the acceleration of gravity is
g
6
. If a pendulum has a period T on Earth, what will its period be on the Moon?
A)T√6 B)T/√6 C)T/6 D)6T E)T/3
Answers
If a pendulum has a period T on Earth, its period be on the Moon will be T/√6. The answer is (B)
The period of a simple pendulum is given by:
T = 2π * √(l/g)
where l is the length of the pendulum and g is the acceleration due to gravity.
On the moon, the acceleration due to gravity is g/6, so the period of the pendulum can be calculated as:
T' = 2π * √(l/(g/6))
T' = 2π * √(6l/g)
Dividing this equation by T, the period of the pendulum on Earth, we get:
T'/T = (2π * √(6l/g)) / (2π * √(l/g))
T'/T = √(6)
Therefore, the period of the pendulum on the Moon is T/√6.
So, the answer is (B) T/√6.
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The image I've attached holds the question.What is the satellite’s speed?Answer in units of m/s.What is the period of the satellite’s orbit?Answer in units of h.
Answers
Given:
The gravitational constant, G=6.67259×10⁻¹¹ N·m²/kg⁻²
The mass of the moon, M=7.36×10²² kg
The radius of the orbit of the satellite, R=955.2 km=955.2×10³ m
To find:
1. Satellite's speed.
2. The period of satellite.
3. The acceleration of the satellite.
Explanation:
1.
The gravitational force applied by the moon on the satellite provides the satellite with the centripetal force that is neccessary for the satellite to orbit the moon.
Thus,
\(\begin{gathered} F_c=F_g \\ \frac{mv^2}{R}=\frac{GMm}{R^2} \\ v=\sqrt{\frac{GM}{R}} \end{gathered}\)Where F_c is the centripetal force, F_g is the gravitational force, and v is the orbital velocity of the satellite.
On substituting the known values,
\(\begin{gathered} v=\sqrt{\frac{6.67259\times10^{-11}\times7.36\times10^{22}}{955.2\times10^3}} \\ =2267.46\text{ m/s} \end{gathered}\)2.
The orbital period of the satellite in seconds is given by,
\(T=\frac{2\pi R}{v}\)Thus the period of the satellite in hours is given by,
\(T=\frac{2\pi R}{v\times3600}\)On substituting the known values,
\(\begin{gathered} T=\frac{2\pi\times955.2\times10^3}{2267.46\times3600} \\ =0.74\text{ hr} \end{gathered}\)3.
The acceleration of the satellite is given by,
\(a=\frac{v^2}{R}\)On substituting the known values,
\(\begin{gathered} a=\frac{2267.46^2}{955.2\times10^3} \\ =5.38\text{ m/s}^2 \end{gathered}\)Final answer:
1. The orbital velocity of the satellite is 23267.46 m/s
2. The period of the satellite is 0.74 hr
3. The acceleration of the satellite is 5.38 m/s²
submarines use ______ of air to control their depths in water
Answers
Answer:
A supply of compressed air is maintained aboard the submarine in air flasks for life support and for use with the ballast tanks. In addition, the submarine has movable sets of short "wings" called hydroplanes on the stern (back) that help to control the angle of the dive.
Explanation:
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Have a nice day
A. B. C. D.
-___________
Answers
The formula for the saturated hydrocarbon octane is C 8 H 18. C 8 H 18 . Adding one double bond makes the hydrocarbon octane, having the formula C 8 H 16. C 8 H 16 . Write the formulas of the hydrocarbons formed by adding one, two, and three more double bonds to octane. Find the ratio of hydrogen decrease to the number of double bonds?
Answers
The formulas of the hydrocarbons formed by adding one, two, and three double bonds to octane are C₈H₁₄, C₈H₁₂ and C₈H₁₀ respectively.
Ratio of hydrogen decrease to the number of double bonds is 2:1.
How to determine formulas and ratios?When adding one double bond to octane (C₈H₁₈), the hydrocarbon formed is octene with the formula C₈H₁₆.
To form hydrocarbons with two and three more double bonds, add additional double bonds to octene:
Adding one more double bond: The hydrocarbon formed is octadiene with the formula C₈H₁₄.
Adding two more double bonds: The hydrocarbon formed is octatriene with the formula C₈H₁₂.
Adding three more double bonds: The hydrocarbon formed is octatetraene with the formula C₈H₁₀.
To find the ratio of hydrogen decrease to the number of double bonds, we can compare the change in the number of hydrogen atoms with the change in the number of double bonds.
For each additional double bond added, two hydrogen atoms are lost. Therefore, the ratio of hydrogen decrease to the number of double bonds is 2:1.
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A spring is compressed between two blocks, one with a mass of 2 kg and the other with a mass of 3 kg. If the 2 kg block has an average acceleration of 6 m/s^2 when the spring acts on it, what will be the average acceleration of the 3 kg block???
Answers
Answer:
2=6
3=9
Explanation:
I think this is right I'm not sure but I have done problems like this and did based on what I remember.
The average acceleration of the 3 kg block is 4 m/s².
The given parameters;
mass of first block = 2 kgmass of second block = 3 kgacceleration of the first block, = 6 m/s/sAccording to Newton's third law of motion, action and reaction are equal and opposite.
The force exerted on both blocks are equal and opposite.
\(F = ma\\\\m_1 a_1 = m_2a_2\\\\a_2 = \frac{m_1 a_1}{m_2}\\\\a _2 = \frac{2\times 6}{3} \\\\a_2 = 4 \ m/s^2\)
Thus, the average acceleration of the 3 kg block is 4 m/s².
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help pls. will make brainliest
Answers
Answer:
Explanation:
D the 13 amp fuse, so that the cable won't be over it's current limit.. and the heater will have lots of current.. to keep you toasty :P if you pick any fuse smaller then the 13 the heater will "blow" those fuses :/
Explain why using a ladder or plank will help to prevent damage to the
roof.
Answers
Answer:
it reduces pressure
Explanation:
use of ladder / plank makes the pressure applied to uniformly distributed to all part hence increase surface area
Please help.....Which of the following is most likely the distance between the Milky Way and another galaxy?
22,926 miles
30 million kilometers
10.8 billion light years
19.2 astronomical units
Answers
Answer:
The answer would be 10.8 billion light years
Answer:
10.8 billion light years is most likely the distance between the Milky Way and another galaxy.
Hope this helps :)
Two students have volunteered to explore the galaxy in a spaceship. As they travel through space, they measure the magnitude of the gravitational force between their spaceship and the earth they find that the gravitational force on the spaceship is-
Answers
The gravitational pull on the spacecraft is discovered to be inversely proportional to the distance from the Earth.
If the gap were cut in half, the gravitational attraction would be more powerful. According to Coulomb's rule, the gravitational force between any two things in the universe is inversely proportional to the sum of their respective masses.
The gravitational force between two things in the cosmos is calculated as being inversely proportional to their distance from one another. Gravity is the force that holds two bodies together, body present or not.
A force that is directly inversely correlated to the square of the distance between bodies and directly inversely correlated to their product draws every body in the universe toward every other body.
Thus , Inversely related to the separation from the Earth.
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A force of 2.0 × 102 newtons is applied to a lever to lift a crate. If the mechanical advantage of the lever is 3.43, what is the weight of the crate? A. 2.0 × 102 newtons B. 58 newtons C. 6.9 × 102 newtons D. 7.1 × 102 newtons
Answers
Answer:
C. \(6.9\times 10^2\ \text{N}\)
Explanation:
\(\text{Supplied force}=2\times 10^2\ \text{N}\)
M = Mechanical advantage = 3.43
Mechanical advantage is given by
\(M=\dfrac{\text{Weigh of crate}}{\text{Supplied force}}\\\Rightarrow \text{Weigh of crate}=M\times \text{Supplied force}\\\Rightarrow \text{Weigh of crate}=3.43\times 2\times 10^{2}\\\Rightarrow \text{Weigh of crate}=6.86\times 10^2\ \text{N}\approx 6.9\times 10^2\ \text{N}\)
The weight of the crate is \(6.9\times 10^2\ \text{N}\).
When making a lane change on the Interstate, you should always
Answers
Answer: When you change lanes, follow these steps:
Turn on your signal.
Check your mirrors.
Check your blind spot by looking over your shoulder.
If it is safe, change lanes.
Turn off your signal after completing the lane change.
Explanation: urwellcome
Answer:
Turn on your turn signal, and check for cars behind and in front of you.
Explanation:
It is important to check for cars because you may crash and injure/die. So stay safe!
Encontrar la cantidad de movimiento de una partícula de 3,05Kg que se mueve a una velocidad de 56m/s.
Answers
Answer:
Momento = 170.8 Kgm/s
Explanation:
Dados los siguientes datos;
Masa = 3,05 kg
Velocidad = 56 m/s
Para encontrar el impulso;
El momento se puede definir como la multiplicación (producto) de la masa que posee un objeto y su velocidad. El momento se considera una cantidad vectorial porque tiene magnitud y dirección.
Matemáticamente, el momento viene dado por la fórmula;
\( Momento = masa * velocidad \)
Sustituyendo en la fórmula, tenemos;
\( Momento = 3.05 * 56 \)
Momento = 170.8 Kgm/s
(i) x = y(x – vt), 2. Lorentz transformation of wave equation Show by direct substitution of the Lorentz transformations (Griffiths eq. 12.18, shown here) into the 1-D wave equation that the Lorentz transformation preserves the form of the wave equation. Namely, ay 1 ay ay 1 Oy show that if then 2 2372 (ii) y = y, (iii) = z. (iv) i = x (1 – 3x)
Answers
The Lorentz transformation demonstrates that the wave equation is consistent with the principles of the special theory of relativity, as the equation remains unchanged when transforming between inertial reference frames.
The Lorentz transformation plays a crucial role in the special theory of relativity, as it relates the coordinates and time of events in one inertial frame to those in another inertial frame moving at a constant velocity relative to the first. The 1-D wave equation represents how a wave propagates through space and time and is given by:
∂²y/∂t² = c²∂²y/∂x²,
where y is the wave function, c is the speed of the wave, and t and x are time and position coordinates, respectively.
Now, let's consider the Lorentz transformations for space and time coordinates:
(i) x' = γ(x - vt),
(ii) y' = y,
(iii) z' = z,
(iv) t' = γ(t - vx/c²),
where x', y', z', and t' are the coordinates and time in the moving frame, γ = 1/√(1 - v²/c²), and v is the relative velocity between the two frames.
By directly substituting the Lorentz transformations (i) and (iv) into the 1-D wave equation, you will see that the wave equation remains invariant under these transformations. This means that the form of the wave equation is preserved, and the laws governing the propagation of the wave are the same in both the stationary and moving frames.
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Which statements best describe the law of conservation of energy? Check all that apply.
The total amount of energy in the universe remains constant.
Energy can be created or destroyed.
Energy cannot be created or destroyed.
Energy can change from one type to another.
In a closed, isolated system, energy is conserved.
Answers
Answer:
the 2nd one and the 3rd one
Answer:
1,3,4,5
Explanation:
just got the answer correct on edge
A rocket of mass m is launched straight up with a thrust Fthrust.
A. Find an expression for the rocket's speed at height h if air resistance is neglected.
B. The motor of a 360 g model rocket generates 10 N thrust. If air resistance can be neglected, what will be the rocket's speed as it reaches a height of 87 meters?
Answers
The rocket's speed as it reaches a height of 87 meters, neglecting air resistance, will be approximately 93.7 m/s.
A. The expression for the rocket's speed at height h, neglecting air resistance, is v = sqrt((2 * Fthrust * h) / m), where v is the speed, Fthrust is the thrust, h is the height, and m is the mass of the rocket.
B. To calculate the rocket's speed as it reaches a height of 87 meters, we substitute the given values into the expression: v = sqrt((2 * Fthrust * h) / m). Considering the motor generates 10 N of thrust (Fthrust = 10 N), and the mass of the rocket is 360 g (m = 0.36 kg), and the height is 87 meters (h = 87 m), we can calculate the speed:
v = sqrt((2 * 10 N * 87 m) / 0.36 kg) ≈ 93.7 m/s
A. When neglecting air resistance, the only force acting on the rocket is the thrust force provided by the engine. Therefore, using the principles of work and energy, we can derive the expression for the rocket's speed at height h. The work done on the rocket is given by the change in kinetic energy, which is equal to (1/2) * m * v^2, where m is the mass of the rocket and v is its speed. The work done is also equal to the force applied (thrust) multiplied by the distance traveled (height h). Equating these two expressions, we have:
(1/2) * m * v^2 = Fthrust * h
Simplifying and solving for v, we get:
v = sqrt((2 * Fthrust * h) / m)
B. Given that the motor generates 10 N of thrust (Fthrust = 10 N), the mass of the rocket is 360 g (m = 0.36 kg), and the height is 87 meters (h = 87 m), we substitute these values into the expression:
v = sqrt((2 * 10 N * 87 m) / 0.36 kg) ≈ 93.7 m/s
The rocket's speed as it reaches a height of 87 meters, neglecting air resistance, will be approximately 93.7 m/s.
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