If a magnet is cut into unequal size pleces, howmany north and south poles will each of theplaces have?A. Neither piece will have a north or a south poleB. Each piece will have one north and one southpole.C. Each plece wll have one pole, alther rarth orsouth.D. Onty the larger pece will have a north and asouth pole.
Answers
If a magnet is cut in half then each piece will have a north and a south pole. In fact, no matter how many pieces the magnet is cut into, each one will have a north and a south pole.
Related Questions
Plasma is a state of matter used in neon signs and plasma TVs. According to the model, what question should be asked in the formation of plasma?
Answers
Plasma is a state of matter used in neon signs and plasma TVs.
What question should be asked in the formation of plasma?To form plasma, following questions need to be answered:
What is the temperature of the material? Plasma is formed when a material is heated to extremely high temperatures, typically tens of thousands of degrees.
What is the pressure of the material? Plasma can also be formed under high pressure conditions, typically in the range of atmospheres to tens of atmospheres.
What is the composition of the material? The type of atoms or molecules present in the material can affect its behavior and the conditions required to form plasma.
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Question #2: Do all supply curves look basically the
same (forget about the numbers attached to them,
just answer in terms of slope (steepness) and shape
(direction)? Why or why not (use the terms you
defined above to answer this)?
Answers
Answer:
No, all supply curves do not look basically the same in terms of slope and shape. The slope and shape of a supply curve depend on the specific market conditions and the behavior of the suppliers. The supply curve can have different slopes, ranging from being perfectly elastic to perfectly inelastic. The slope of the supply curve reflects the responsiveness of the quantity supplied to changes in the price of the good or service.
In terms of shape, the supply curve can take on different forms such as being linear or curved. The shape of the supply curve depends on the behavior of the suppliers and their ability to adjust the quantity supplied to changes in the price of the good or service. For example, if suppliers can easily adjust their production levels in response to changes in price, then the supply curve may be flatter or more horizontal, indicating a more elastic supply. On the other hand, if suppliers face higher costs or constraints on their ability to increase production, the supply curve may be steeper or more vertical, indicating a less elastic supply.
Therefore, the slope and shape of a supply curve can vary depending on the market conditions and the behavior of the suppliers, and cannot be generalized as being the same for all supply curves.
Answer questions based on the lab activity.
Assignment
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down
menus to complete the statements.
was
This experiment was divided into two parts. For the first part of the experiment, the
intentionally manipulated. This was the independent variable. The dependent variable measured was the
was intentionally manipulated. This was the
by the second part of the experiment, the
independent variable. The dependent variable measured was the
Answers
Answer: 1. height of cylinder 2. temperature of cylinder 3.mass of cylinder 4.temp. of cylinder
Explanation:
im doing it rn ! hope this helps :)
The dependent variable gets impacted by changes to the independent variable. Therefore, in the below given ways blanks can be filled.
What are dependent and independent variable?The variable that the experimenter controls is the independent variable. The variable that adapts to the independent variables is known as the dependent variable. The two factors could be connected through cause and effect. The dependent variable gets impacted by changes to the independent variable.
The experiment was divided into two parts. For the first part of the experiment, the height of cylinder was intentionally manipulated. This was independent variable. the dependent variable measured was the temperature of cylinder.
For the second part of experiment, the mass of cylinder was intentionally manipulated. This was the independent variable. The dependent variable measured was the temperature of cylinder.
Therefore, in the above given ways blanks can be filled.
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Hook’s law describes the behavior of which kind of material under tension
Answers
Answer:
Hooke law describes the behaviour of elastic material under tension
this tablet list the weights of 80 kg person on different planets list these planets in decreasing order of mass.
Answers
A planet's atmosphere may hold more mass the more mass it has. This is important since a planet's climate is directly influenced by its atmosphere.
What planet is affected by different mass?We are only kept on Earth's surface by gravity. The mass of a child and the planet's gravitational attraction define that youngster's weight. The most massive planet in our solar system, Jupiter is also the largest. On Jupiter, a youngster would be heavier than on any other planet.
As two things' respective masses increase, so does the gravitational attraction between them. The reciprocal of the gravitational attraction between two objects is their respective masses divided by two.
The gravitational pull between the objects will also triple if one of them triples in mass.
Therefore, The gravitational pull of a planet or star is stronger the more massive it is. Yet, when a planet's radius increases, the gravitational force decreases.
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A bucket begins weighing 20 pounds, including the sand it holds. The bucket is to be lifted to the top of a 25 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted. Find the work done lifting the bucket to the top of the building
Answers
ANSWER
\(\begin{equation*} 468.75\text{ foot-pound} \end{equation*}\)EXPLANATION
Let the bucket be lifted x feet.
The weight of the bucket at x feet is given by:
\(20-0.1x\)The work done in lifting the bucket by dx feet is:
\(dW=(20-0.1x)dx\)The total work done is the integral of the work done in lifting the bucket x feet, that is:
\(W=\int(20-0.1x)dx\)Hence, the work done in lifting the bucket 25feet is:
\(\begin{gathered} W=\int_0^{25}(20-0.1x)dx \\ \\ W=(20x-\frac{0.1x^2}{2})_0^{25} \\ \\ W=(20*25-\frac{0.1*25^2}{2})-(20*0-\frac{0.1*0^2}{2}) \\ \\ W=500-31.25 \\ \\ W=468.75\text{ foot-pound} \end{gathered}\)That is the answer.
Consider two current-carrying circular loops. Both are made from one strand of wire and both carry the same current, but one has twice the radius of the other. If the magnetic field strength at the center of the smaller loop is B, what is the magnetic field strength at the center of the larger loop
Answers
Explanation:
The magnetic field at the center of a current-carrying circular loop is given by :
\(B=\dfrac{\mu_o I}{2r}\)
Where, I is current and r is radius of loop
We have, two current-carrying circular loops. Both are made from one strand of wire and both carry the same current, but one has twice the radius of the other.
For smaller loop, the magnetic field is B (with radius r)
For larger loop, let the magnetic field be B' (with radius r', r'=2r). So,
\(B'=\dfrac{\mu_o I}{2r'}\\\\B'=\dfrac{\mu_o I}{2(2r)}\\\\B'=\dfrac{1}{2}\times \dfrac{\mu_o I}{2r}\\\\B'=\dfrac{1}{2}B\)
Hence, the magnetic field strength at the center of the larger loop is half of the magnetic field strength at the center of the smaller loop.
Question #1 A cabinet initially at rest on a horizontal surface requires a 115 N horizontal force to set it in motion. If the coefficient of static friction
between the cabinet and the floor is 0.38,what is the normal force exerted on the cabinet? What is the mass of the cabinet?
Step #4 Show all your work with units.
Step # 1. Draw a free body diagram with arrows and given
and known valuer
Answers
The Normal force = 302.63 N
How to solveFriction Force = 115 N
u*Normal force= friction,
u= 0.38,
N= 115/0.38
Therefore, the Normal force = 302.63 N
Mass is a fundamental feature of matter that quantifies the amount meaningful in an object. It is typically calculated in units of kilograms (kg) or grams (g). Mass is various from weight, that depends on the gravitational force pursuing an object, while mass debris constant although gravity.
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A tennis player tosses a tennis ball straight up and then catches it after 2.21 s at the same height as the point of release.
(a) What is the acceleration of the ball while it is in flight?
magnitude
_____ m/s2
direction
---Select---
(b) What is the velocity of the ball when it reaches its maximum height?
magnitude
_____ m/s
direction
---Select---
(c) Find the initial velocity of the ball.
____ m/s upward
(d) Find the maximum height it reaches.
____ m
Answers
(a) To determine the acceleration of the ball while it is in flight, we can use the equation of motion:
v = u + at
where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time.
In this case, the ball is thrown straight up, so its final velocity at the highest point is 0 m/s. The initial velocity is unknown, the acceleration is due to gravity and is approximately -9.8 m/s^2 (negative since it acts in the opposite direction of motion), and the time of flight is 2.21 s.
Using the equation, we can solve for the acceleration:
0 = u - 9.8 * 2.21
u = 9.8 * 2.21
u ≈ 21.658 m/s
Therefore, the acceleration of the ball, while it is in flight, is approximately 21.658 m/s^2 in the upward direction.
(b) When the ball reaches its maximum height, its velocity is 0 m/s. This occurs when the ball is momentarily at rest before falling back down. Therefore, the magnitude of the velocity when the ball reaches its maximum height is 0 m/s.
(c) To find the initial velocity of the ball, we can use the equation:
v = u + at
At the highest point, the final velocity is 0 m/s, the acceleration is -9.8 m/s^2 (due to gravity), and the time is 2.21 s.
0 = u - 9.8 * 2.21
u = 9.8 * 2.21
u ≈ 21.658 m/s upward
Therefore, the initial velocity of the ball is approximately 21.658 m/s upward.
(d) The maximum height reached by the ball can be determined using the equation for vertical displacement:
s = ut + (1/2)at^2
At the highest point, the final displacement is 0 m, the initial velocity is 21.658 m/s upward, and the time of flight is 2.21 s.
0 = 21.658 * 2.21 + (1/2) * (-9.8) * (2.21)^2
0 = 47.864 + (-5.5294)
5.5294 = 47.864
Therefore, there seems to be an error in the calculations as the equation does not hold true. Please check the given values and equations to ensure accuracy.
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Find the ratio of speeds of a proton and an alpha particle accelerated through the same voltage, assuming nonrelativistic final speeds. Take the mass of the alpha particle to be 6.64 ✕ 10−27 kg.
Answers
Answer:
The required ratio is 1.99.
Explanation:
We need to find the atio of speeds of a proton and an alpha particle accelerated through the same voltage.
We know that,
\(eV=\dfrac{1}{2}mv^2\)
The LHS for both proton and an alpha particle is the same.
So,
\(\dfrac{v_p}{v_a}=\sqrt{\dfrac{m_a}{m_p}} \\\\\dfrac{v_p}{v_a}=\sqrt{\dfrac{6.64\times 10^{-27}}{1.67\times 10^{-27}}} \\\\=1.99\)
So, the ratio of the speeds of a proton and an alpha particle is equal to 1.99.
Given the functions f(x)=(1/x-3)+1 and g(x) = (1/1+4)+3
Which statement describes the transformation of the graph of function f onto the graph of function g?
O The graph shifts 2 units right and 7 units down.
O The graph shifts 7 units left and 2 units up.
O
e graph shifts 7 units right and 2 units down.
O The graph shifts 2 units left and 7 units up.
Answers
The statement that describes the transformation of the graph of function f onto the graph of function g is: The graph shifts 2 units right and 7 units down.
To determine the transformation of the graph of function f onto the graph of function g, we compare the two functions f(x) and g(x) and observe the changes in the equations.
The function f(x) = (1/x - 3) + 1 represents a reciprocal function that is shifted vertically 1 unit up and horizontally 3 units to the right. The reciprocal function is reflected about the line y = x.
The function g(x) = (1/(1 + 4)) + 3 simplifies to g(x) = 4 + 3 = 7, which is a constant function representing a horizontal line at y = 7.
By comparing the equations, we can see that the transformation from f(x) to g(x) involves the following changes:
The term 1/x in f(x) is replaced by the constant 1/(1 + 4) in g(x), resulting in a vertical shift of 7 units up.
The term -3 in f(x) is replaced by 3 in g(x), resulting in a vertical shift of 3 units up.
The +1 in f(x) is replaced by +3 in g(x), resulting in an additional vertical shift of 2 units up.
Therefore, the overall transformation is a shift of 2 units to the right and 7 units down.
Hence, the correct statement is: The graph shifts 2 units right and 7 units down.
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If I have an object that starts from rest and reaches a velocity of 25m/s over a distance of 11m what is the acceleration of the object
28.4m/s
28m/s
28.4m/s^2
28m/s^2
Answers
Answer:
Here is something that may help you!!
Explanation:
I found it in a cite (not that I'm plagiarizing, or anything).
1) Prove that for the adiabatic process of gas pVr =const ; r=Cp/Cv *
2) Write down the expression for the number of molecules of N2 gas having speeds in the interval (100m/s ; 102m/s) for one mole of gas at T=300K
3) Demonstrate how to obtain the Boltzmann Distribution of Energies from the Maxwell-Boltzmann distribution of speeds.*
Answers
For an adiabatic process of gas PV(^r)= Constant, where r = Cp/Cv , Cp, and Cv are constants for a particular gas.
What is an ideal gas?It is an imaginary gas for which the volume occupies by it is negligible, this gas does not exist in a practical situation and the concept of an ideal gas is only the theoretical one.
Universal Gas Equation for the ideal gas,
PV=nRT
By differentiating on both sides: P.dV + V.dP = n.R.dT…. (1)
For the adiabatic process, the expansion or compression of gas occurs at a very fast rate which makes no heat transfer. Therefore, dQ= 0
A/c to First Law of TD: dQ=dU+ dW, implies dU= -dW=-P.dV ….. (2)
But dU= n.Cv. dT …. (3) Combining 2 and 3, we get: n.dT= -P.dV/Cv …..(3)
Using R= Cp-Cv, the gas law gives: from 1 and 3.
n.dT= (P.dV + V.dP)/(Cp-Cv) = -PdV/Cv
On rearranging terms we get, (dP/P)+((Cp/Cv)*(dV/V))=0
Cp and Cv are constants for a particular gas, hence integrating,
Ln(P)+ r.Ln(V)=constant (replacing Cp/Cv = r or Gamma)
Hence, P.V(^r)= constant is termed an adiabatic equation.
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Has anyone has the answers for Physical Education # 12 cross word and the word search?
Answers
Answer:
No
Explanation:
the answers, they seemed to be blocked on go.ogle
Which two components must a vector quantity
have?
a. Magnitude and velocity
b. Acceleration and direction
c. Force and speed
d. Direction and magnitude
Answers
Answer:
d. Direction and magnitude
Explanation:
The two components of a vector are its magnitude and direction.
Magnitude is the quantity of the substance
Direction is the path.
Other quantities are called scalar quantities. Scalar quantities have only magnitude but no direction.Examples of vector quantities are velocity, displacement, acceleration.
When the applied force is 150 N and the friction is 94 N, what is the motion? A. Accelerated motion b. Decelerated motion c. No motion D. Uniform motion
Answers
Answer:
the answer to this question is Accelerated motion
What is the potential gravitational energy of a 2 kg ball thrown up in the air to a height of 7 m?
Answers
Answer:
PE = 137.2931 J
Explanation:
PE = 137.2931 J
Pls help and explain how to get the answer
Answers
(a) The magnitude of the gravitational force on the rock is 64.68 N and on the pebble is 5.488 x 10⁻³ N.
(b) The acceleration of each object is equal to acceleration due to gravity, = 9.8 m/s².
What is the gravitational force exerted on each object?The gravitational force exerted on each object is calculated by applying Newton's law of universal gravitation as follows;
Fg = Gm₁m₂ / R²
where;
G is universal gravitation constantm₁ is the mass of the rockm₂ is the mass of pebbleThe acceleration of each object will be constant and equal to acceleration due to gravity, the force on each object is calculated by using Newton's second law of motion.
Force on the rock;
F = mg
where;
g is acceleration due to gravityF = 6.6 kg x 9.8 m/s²
F = 64.68 N
The force on the pebble;
F = mg
F = 5.6 x 10⁻⁴ x 9.8
F = 5.488 x 10⁻³ N
Thus, the acceleration of each object is equal to acceleration due to gravity, = 9.8 m/s².
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A person holds onto an object for 2 minutes but doesn't move the object. Is work done
on the object?
Answers
Answer:
No
Explanation:
Compare and contrast Infra-red, visible light and UV.
Answers
Answer:
The EM radiation most immediately lower-frequency than visible light is called infrared, and the EM radiation most immediately higher-frequency is called ultraviolet.
Moving current has electrical energy.
Answers
A missile is launched vertically from a missile silo, it will explode after 32 s. It's launch speed was 145 m/s, and it doesn't accelerate after launch. Will the missile have hit its highest point before it explodes? Will it have landed before it explodes?
Answers
Answer:
Landed before it explodes
Explanation:
vf = vi + at,
0 = 145 - (9.8)t,
t = 14.79 s (Time to reach highest point)
14.79 x 2 = 29.59 s (Time to land on the ground)
It will have landed before it explodes because both the time to reach the highest point and the time to land on the ground are less than 32 seconds.
A monarchy is the type of government that the colonist do not want true or false
Answers
Answer:
Monarchy is rule from kings and queens
Explanation:
A radio-controlled car powered by an electric motor accelerates from rest to 0.800 m/s in 23.0 ms. The total mass of the car is 675 g. What is the average power (in W) delivered to the car by the motor during its acceleration
Answers
Answer:
9.39Watts
Explanation:
The work done by the car is converted to kinetic energy. Hence;
Work done = Kinetic energy =1/2mv²
Time t = 23ms =23×10^-3s
Mass = 675g = 0.675kg
v = 0.8m/s
Work done = 1/2(0.675)0.8²
Work done = 0.216Joules
Average power = Work done/Time
Average power = 0.216/0.023
Average power = 9.39Watts
Hence the average power (in W) delivered to the car by the motor during its acceleration is 9.39Watts
TRUE OR FALSE when a laser beam goes from glass out into air it will deviate such that it is further away from the surface normal.
Answers
Correct, this is due to the fact that glass has a higher refractive index than air.
What happens when a laser enters a glass surface?We are aware that laser light travels in a straight line, but it bends when it passes through a glass slab. Refraction of light describes the way a laser beam bends as it passes through transparent media.
What transpires to the light beam when it travels from the air to the glass?Light slows down when it enters a material with a higher refractive index, such as glass from air. When facing the straight line, the light sways. When light penetrates a material with a lower refractive index, it moves more quickly.
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Question 2 (1 point)
What happens to the number of waves when you change the light from green to red?
Increase
decrease
remain the same
there are zero waves
Answers
When you change the light from green to red, the number of waves remains the same.
Light waves behave similarly throughout the electromagnetic spectrum. Depending on the nature of the item and the light's wavelength, a light wave can be transmitted, reflected, absorbed, refracted, polarized, diffracted, or dispersed when it strikes a surface.
The number of waves doesn't vary when the light changes from green to red. The distance between each wave's consecutive peaks, or wavelength, determines the color of light. Red and green light both have waves with a set number of peaks and troughs per unit of time, despite green light having a shorter wavelength. As a result, the number of waves is unaffected by changing the colour of the light.
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when the wavelength is short, the frequency is?
Answers
The wavelength in terms of the frequency is,
\(\lambda\propto\frac{1}{f}\)Thus, with the decrease in the wavelength, the value of frequency increases.
Hence, large is the frequency of waves with a shorter wavelength.
a circuit when electricity flows freely; which unit of electricity expresses the volume of electron movement in a circuit; what supplies energy in an electric circuit; it is composed of a source of electrons, the load, the wire and a switch; movement of electrons is what energy; moving electrons are called; a closed path that allows electrical energy to flow is called a(n); which material is a conductor
Answers
The international unit for measuring current is an ampere, sometimes known as an amp or AM-pir. It describes how many electrons—also referred to as "electrical charge"—flow past a certain point on a circuit.
What is the ampere in the SI system?Electric current is measured in a SI unit known as an ampere, or A. It is determined by assuming that the elementary charge, e, has a fixed quantitative score of 1.602 176 634 x 10-19 when represented with in unit C, which would be equivalent to the second in terms of vCs.
What does the term "1 amp" mean?The velocity of electron transport or power in a conductive material is measured in amperes. One make this process of electric charges (6.24 x 1018 protons ( h+) traveling by a given location in one second is represented by one ampere of current.
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A 60-W light bulb emits spherical electromagnetic waves uniformly in all directions. If 50% of the power input to such a light bulb is emitted as electromagnetic radiation, what is the radiation intensity at a distance of 2.00 m from the light bulb?
A) 15 W/m2
B) 4.8 W/m2
C) 2.4 W/m2
D) 0.60 W/m2
E) 1.2 W/m2
Answers
Answer:
a
Explanation:
A 60-W light bulb emits spherical electromagnetic waves uniformly in all directions. If 50% of the power input to such a light bulb is emitted as electromagnetic radiation, what is the radiation intensity at a distance of 2.00 m from the light bulb
so i did 60(50%)=30÷2=15
The radiation intensity is 15 W / m².
To find the radiation intensity, the values are given as,
Power = 60 W
Distance = 2 m
50% of the power input is emitted as electromagnetic radiation.
What is radiation intensity?The amount of energy emitted per unit solid angle by per unit area of the radiating surface can be said as radiation intensity.
As, when there is a power output, the input power will emit some energy as a kinetic energy and electromagnetic radiation. By the way, the power input emits 50 % as a radiation, so the power input given as,
P = 60 / 2 ( As it was 50 % )
= 30 Watt.
The radiation intensity is,
In = 30 / 2
= 15 W / m².
Thus, the radiation intensity is calculated as, 15 W/ m².
So, Option A is the correct answer.
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How should an artistic statement be written?
ОА.
from your own perspective
OB.
in a non-factual, persuasive manner
O C.
as a lengthy and overly extensive essay
OD. by the artist alone with no outside critique
Answers
An artistic statement should be written from your own perspective.
What is an artistic statement ?An artist's statement, also known as an artist statement, is a written summary of their creative output. The brief essay serves as an explanation of and a defense of their own work for the spectator. As a result, it is didactic, descriptive, or reflective in nature and seeks to inform, connect with an artistic environment, and reveal the inspiration behind the work.
The writing created by the artist aims to contextualize, justify, extend, and/or explain their body of work. It situates—or tries to situate—the piece in relation to art history, art theory, the contemporary art scene, and the times. The statement also demonstrates that the artist is aware of their aims, their practice, its place within the parameters of art, and the debate that surrounds it.
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