String and nylon thread will stretch when pulled with a moderate force, but only a small amount. if you apply the same force to a spring and it stretches much further than the string and thread, how do the spring constants of the string and thread compare to the spring?
Answers
The spring constants of the string and nylon thread are: higher compared to the spring, as they demonstrate greater resistance to stretching under the same applied force.
When a moderate force is applied, both string and nylon thread stretch but only a small amount, whereas a spring stretches much further. To compare their spring constants, we need to understand Hooke's Law, which states that the force applied is proportional to the displacement of the object (F = kx). Here, k is the spring constant and x is the displacement.
A higher spring constant (k) means that the object is more resistant to stretching, while a lower spring constant indicates that the object is more easily stretched. In this case, the string and nylon thread have higher spring constants compared to the spring since they stretch less under the same force. The spring, which stretches much further, has a lower spring constant.
In conclusion, the spring constants of the string and nylon thread are higher compared to the spring, as they demonstrate greater resistance to stretching under the same applied force. This is evident in the smaller displacements observed when pulling the string and thread compared to the more significant stretching of the spring.
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Related Questions
Will give brainliest!! How would you write the direction of the vector above as a global angle?
Answers
Answer:
Assuming they're unit vectors (length of 1)
You simply add them together.
The vector pointing right can be described with X and Y
(1, 0).
The vector pointing down
(0, -1).
The numbers are taken from the axis in X and Y directions.
If you add them together you get a final vector.
(1, - 1)
This gives you -45° pointing South East.
Or 360°-45°=315°
as a crude model, assume that an α particle consists of two pointlike protons attracted by a hooke's-law spring with spring constant k , and ignore the neutrons. assume further that in the absence of other forces, the spring has an equilibrium separation of zero. write an expression for the potential energy when the protons are separated by distance d .
Answers
Potential energy (PE) is the energy that a body has due to its position or compressed state; it has the formula PE=MGH, where M stands for mass, G for the force of gravity.
What is potential energy, and what does it look like?Work done to the object is equal to force times displacement. Here is the formula for potential energy. According to the rule of conservation of energy, since the amount of work an item does is equal to mgh, the energy gained by the object is equal to mgh, which in this case is the potential energy E.
What does energy express itself as?Joules (J), commonly known as Newton-meters, is the SI unit of energy.
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when you order clothes, does the sweater has to be longer than your shirt to fit you just like the shirt?
Answers
Answer:
Yes.⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
What is the magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μC?
Answers
The magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μC is 149.1 N/C. The magnitude of the electric field is the measurement of the strength of the electric field at a specific point. It is a scalar quantity.
The electric field is produced by a source charge q, measured in coulombs, and is determined by the distance from the charge r, measured in meters, according to Coulomb's law. Coulomb's Law states that: Force of Attraction or Repulsion = k * q₁ * q₂ / r²where,k = Coulomb's constant = 8.99 × 10^9 Nm²/C²q₁ = magnitude of one charge in Coulomb sq₂ = magnitude of other charge in Coulomb sr = distance between the two charges in meters Given that: q = 4.00 μC = 4.00 × 10^-6 C distance = r = 1.20 m Using Coulomb's law we have :Force of attraction = k * q₁ * q₂ / r²= 8.99 × 10^9 * 4.00 × 10^-6 / (1.20)²= 120 N/C. The electric field strength at 1.20 m is 120 N/C.
Therefore, the magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μC is 149.1 N/C (approximately).The magnitude of the electric field at 1.20 m distance from a point charge of 4.00 μC is 149.1 N/C.
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describe the trends of the elements including boiling/melting points and conductivity in relation to the periodic table
Answers
Explanation:
modern quantum mechanics explains these periodic trends in properties in terms of electron shells. the filling of each shell corresponds to a row in the table
a 30 kg cart is travelling in a zero friction environment at a constant velocity of 5m/s. It's about to go up a very steep hill. How high will the cart be when the velocity changes to zero? PLEASE HELP
Answers
Answer:
1.27551m
Explanation:
This is a simple energy convertion problem. Since there is no friction, and assuming no air drag and other external factors, mechanical energy should be conserved in this system.
Thus, we get:
\(KE_{initial} + PE_{initial} = KE_{final} + PE_{final}\)
We also know that the gravitational potential energy is equal to mgh, while the KE can be calculated using \(\frac{1}{2}mv^2\)
One thing to note here, is that the final KE will be 0, as there is no velocity at the end. Furthermore, we also can set the initial PE as 0 as we are looking at relative height, and at the start it is at h=0.
\(KE_{initial} = PE_{final}\)
Plugging in:
\(\frac{1}{2}*30*5^2 = 30*9.8*h\)
Solving for h, we get 1.27551m
If the frequency of a wave is
20
H
z
, what is the period of the wave?
Answers
why do people use the scientific method?
Answers
Hopefully this helped.
data reduction and error analysis for the physical sciences solution manual
Answers
There are a number of techniques that can be used in the physical sciences to decrease data and analyze faults.
Here are some often employed methods:
1. Averaging: Random mistakes can be minimized by taking numerous measurements of the same amount and averaging the results.
2. Error bars: Using error bars to represent data points gives each measurement's level of uncertainty a visual representation.
3. Error propagation: It's crucial to propagate errors when combining different measurements or employing observed quantities in calculations.
4. Instrument and equipment calibration helps to cut down on systematic mistakes. You may account for and correct any differences in your measurements by comparing them against recognized reference standards.
5. Control experiments: By performing control experiments, the sources of mistake can be found and measured since the variable of interest is consciously left out or maintained constant.
6. Replication: By carrying out experiments more than once, researchers can gauge how reliable and consistent their findings are.
7. Regression analysis and hypothesis testing are two statistical techniques that can be used to discover and quantify error sources, as well as to assess the relevance of the results and the dependability of the data.
8. Conducting an exhaustive uncertainty analysis is essential for comprehending the constraints and potential flaws in the data.
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The complete question is:
What methods can be used to reduce data and analyze errors in the physical sciences?
for the light bulb to produce the aame illuminace with the candle to the screen, the luminous intensity of the bulb is _______ that of the candle?
Answers
Answer:
9 times
Explanation:
luminosity decreases to the square of the distance
Yowi throw o bali vertically upward, and as it leaves your hand, its speed is \( 10.0 \mathrm{~m} / \mathrm{s} \). (a) Hew high (in m) does it rise above the levei where it leaves vour hand? (b) Mow h"
Answers
A ball is thrown vertically upward, and as it leaves your hand, its speed is 10.0 m/s. The ball rises approximately 5.10 meters above the level. The total time of flight is approximately 1.02 seconds.
(a) To determine how high the ball rises above the level where it leaves your hand, we can use the equations of motion for vertical motion under constant acceleration.
Given:
Initial velocity, v₀ = 10.0 m/s
Final velocity at the highest point, v = 0 m/s
Acceleration due to gravity, a = -9.8 m/s²
To find the vertical displacement, we can use the following equation:
Δy = (v² - v₀²) / (2a),
where Δy is the vertical displacement.
Plugging in the values:
Δy = (0^ - 10.0²) / (2 * -9.8) m,
Calculating the expression:
Δy= (-100.0) / (-19.6) m,
Δy ≈ 5.10 m.
Therefore, the ball rises approximately 5.10 meters above the level where it leaves your hand.
(b) To determine the total time of flight, we can use the equation:
t = (v - v₀) / a,
where t is the time of flight.
Substituting the values:
t = (0 - 10.0) / -9.8 s,
Calculating the expression:
t ≈ 1.02 s.
Therefore, the total time of flight is approximately 1.02 seconds.
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What difference does being wet or dry have on the severity of shock if a person comes into contact with 120 v?.
Answers
When a person comes into contact with electricity, the severity of the shock can be affected by whether they are wet or dry.
If a person is wet, the water on their skin can conduct electricity and allow it to pass through their body more easily, increasing the severity of the shock.
On the other hand, if a person is dry, the resistance to the flow of electricity is higher, reducing the severity of the shock.
In the case of a 120 V electrical shock, the severity of the shock can vary depending on the conditions.
It is important to note that any electric shock can be dangerous and potentially life-threatening, regardless of whether a person is wet or dry.
If someone comes into contact with electricity, it is crucial to seek medical attention immediately.
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Help please:A boy weighing 30 kg rides a scooter. The total kinetic energy of the boy and the scooter is 437.6 J. Determine the speed at which the boy moves if the mass of the scooter is 5kg?
Answers
Answer:
5 m/s
Explanation:
Mass of the boy + scooter system = 35 kg
Kinetic Energy = 437.6 J
437.6 = \(\frac{1}{2} 35 {v}^2\)
25.0057143 = \(v^{2}\)
v = 5 m/s
When 3.5 g of liquid water is cooled from 90c to 20c how much energy is lost?
(Choose only one answer)
Answers
The amount of heat or energy that is lost when the water is cooled is 1,024.1 J.
What is the amount of heat lost?
The amount of heat lost is calculated by applying the formula for heat capacity of water as shown below;
Q = mcΔT
where;
m is the mass of the waterc is the specific heat capacityΔT is the change in temperature of the waterThe amount of heat or energy that is lost when the water is cooled is calculated as follows;
Q = 3.5 g x 4.18 J/gC x (90 C - 20 C)
Q = 1,024.1 J
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PLEASE HELP PHYSICS
Wiley coyote pushes a 5kg boulder from an initial height of 10m, the boulder rolls down the hill, across the road, and up the hill on the left. The rock is able to reach a height of 17 m before rolling back down. How fast did Wiley have to push the rock to make this happen?
Answers
Answer:
v = 11.7 m / s
Explanation:
For this exercise we can use the conservation of energy
starting point. Where you drop the stone
Em₀ = K + U = ½ m v² + m g h₁
final point. Point where the stone arrives
Em_f = U = mgh₂
We are assuming that there is no friction, so the energy is conserved
Em₀ = Em_f
½ m v² + m g h₁ = m g h₂
v² = 2g (h₂-h₁)
let's calculate
v² = 2 9.8 (17 - 10)
v = √137.2
v = 11.7 m / s
The speed of the transverse wave on a 25 meters rope is 50m/s. The tension force of the rope is 200N. Determine the mass of the rope
Answers
The mass of the 25-meter rope is 2.0 kg.
To solve this problem, we can use formula for the speed of a transverse wave on a string, which is:
v = sqrt(T/μ)
We are given that v = 50 m/s, T = 200 N, and the length of the rope is 25 meters.
μ = T/v^2
Substituting the given values, we get:
μ = 200 N / (50 m/s)^2
= 0.08 kg/m
This means that the rope has a mass of 0.08 kg per meter of length. To find total mass of the 25-meter rope, we can multiply the linear mass density by the length of rope:
m = μ L
= 0.08 kg/m * 25 m
= 2.0 kg
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An object moving in a circle is represented by the motion map.An illustration of a circle with four black dots on the top labeled W, bottom labeled Y, left labeled Z and right labeled X of the circle. Each dot has a vector toward the center of the circle of equal length and a vector tangent to the circle in a counterclockwise direction of equal length.Based on the map, at which point is the object accelerating toward the right?WXYZ
Answers
Since this is a circular motion, we know that the we have a centripetal acceleration; we know that this type of acceleration always points towards the center of the circle. This means that the acceleration is represented by the vectors that point towards the center. Looking at them we notice that at point Z the acceleration is pointing to the right.
Therefore, the object is accelerating to the right at Z
Which of the following causes liquid water to change into water vapor?
Answers
Answer:
A
Explanation:
Liquid water changes into water vapor because of an increase in the kinetic energy of the particles option (C) is correct.
What is a change of state?A material changing from one physical form to another is known as a change of state.
When heated or cooled, the matter may transform from one state to another. When heated, ice (a solid) turns into water (a liquid).
This process is known as MELTING. When heated, the water turns into steam (a gas).
Thus, liquid water changes into water vapor because of an increase in the kinetic energy of the particles option (C) is correct.
The question is incomplete.
The complete question is:
Which of the following causes liquid water to change into water vapor?
A. a decrease in the motion of the particles
B. a decrease in the randomness of the particles
C. an increase in the kinetic energy of the particles
D. an increase in the attraction between the particles
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Derive an algebraic equation for the vertical forc
Answers
To derive the algebraic equation for the vertical force, we must consider the forces acting in the vertical direction and apply Newton's second law of motion.
Newton's second law states that the net force acting on an object is equal to the product of its mass (m) and its acceleration (a). In the vertical direction, the forces that typically act on an object are gravity and any other forces such as the normal force or applied forces.
Assume that the vertical force is denoted as Fv. Forces acting in the vertical direction are typically mass (mg) and the normal force (N) exerted by the surface, if present. Therefore, the equation for the vertical force can be expressed as:
Fv = N - mg,
where:
Fv is the vertical force,
N is the normal force,
m is the mass of the object,
g is the acceleration due to gravity (approximately 9.8 m/s² on Earth).
The normal force N is equal to the weight of the object if the object is at rest on a horizontal surface. In this case, N = mg. However, if the object is on an inclined plane or is subject to other forces, the normal force may differ from the weight.
By substituting the appropriate values for the normal force and mass (mg), you can derive an algebraic equation for the vertical force based on the specific scenario you are considering.
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the photos below show four pairs of objects. which pair of objects is experiencing the greatest gravitational force.A. the person and dog B. The person and the ball C. the person and earth D. the person and the building
Answers
Answer:
C.
Explanation:
the earth has a high greavitational pull
Answer: C the person and earth
Explanation: I just answered it on a p e x
A bullet of mass, 50g, travelling at 500m/s strikes a stationery block of mass 2kg resting on a smooth surface. The bullet goes through and comes out on the other side at 200m/s. Calculate the speed of the block after th3 bullte has come out.
Answers
bullet points are for week people got to have more heart
write four importance of pressure
Answers
If a lawn mower is pushed with a distance of 30 meters and 12N-m of work is exerted, calculate the force.
Answers
Answer:
Explanation:
W = FΔx so filling in:
12 = F(30) so
F = .4N
What is the purpose of the prefixes in the metric system?
a.
They signify the multiples of ten for each unit.
b.
They signify a completely separate unit.
c.
They always make a unit smaller.
d.
They always make a unit larger.
Answers
The purpose of the prefixes in the metric system is to signifies the multiples of tens for each unit.
A prefix is a word that precedes a basic unit to indicate the multiple or fraction of that basic unit.
We can assign multiple or subdivisions in the metric system to any unit by simply combining them with their prefix. Some of the common prefixes that are sued in the metric system are kilo, centi, deca, hecto etc. Each prefix has a different meaning assigned to it for example : deci is one-tenth centi is one-hundredth milli is one-thousandth deca is ten. hecto is 100. kilo is 1000.Thus, the prefixes in the metric system are used to signify multiples of ten for each unit.
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Answer: Option A- They signify the multiples of ten for each unit.
Explanation:
Just got it correct on test :)
Find the x-component of this
vector:
55.1 m
-13.9°
Remember, angles are measured from
the +x axis.
x-component (m)
Enter
Answers
The horizontal or x component of the vector is 53.5 m.
What is the x component?We know that a vector quantity must posses both magnitude and direction. In this case, of a vector is inclined at an angle then the vector could have a vertical and a horizontal component. Recall that vector may have have;
- A vertical component
- A horizontal component
Recall that when we resolve a vector, we are able to obtain the effective component of the vector in the given direction. It could be vertical or horizontal.
The horizontal component of the vector is V cos θ where V is the numerical value of the vector.
Thus the horizontal component is;
55.1 m Cos 13.9 = 53.5 m
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Answer:
13.24
Explanation:
Fx=Fcos(theta)
but remember theta is measured from the x axis, so in this case it makes theta 76.1 degrees and not 13.9.
20 points pls help...
Does the sun orbit the Earth once a day?
True or False
Answers
Answer:
False.
Explanation:
First off, the Earth orbits the sun. The sun does not orbit the Earth.
Also, it takes 365 days (1 year) for the Earth to orbit the sun.
I hope this helped.
state how heat loss by radiation is minimized in a thermos flask
Answers
if the environmental lapse rate (elr) of the atmosphere surrounding a rising parcel of air is greater than the dar (i.e. >10co/1000m), then:
Answers
If the environmental lapse rate (ELR) of the atmosphere surrounding a rising parcel of air is greater than the dry adiabatic rate (DAR) of 10°C/1000m, certain conditions and phenomena can be inferred.
When the ELR is steeper than the DAR, it indicates a condition of instability in the atmosphere.
This means that the surrounding air cools at a faster rate than a rising parcel of air would if it were undergoing adiabatic cooling.
As a result, the parcel of air becomes warmer compared to its surroundings, making it less dense and causing it to continue rising.
The steep ELR exceeding the DAR signifies an environment conducive to the development of convective processes such as thunderstorms, cumulus clouds, and other forms of unstable atmospheric phenomena.
The increased lapse rate creates an environment where the parcel of air continues to rise and can reach higher altitudes, potentially leading to the formation of significant weather events and atmospheric instability.
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.Cite 2 examples each of circuits used in real-life where resistors are arranged in series and in parallel. Explain why.
Answers
In real life, circuits in which resistors are arranged in series and in parallel are widely used. In such circuits, resistors are connected in a way that their resistance is effectively increased or decreased.
In a series circuit, the resistors are connected in a line, while in a parallel circuit, the resistors are connected side by side. Here are two examples of each type of circuit:Two examples of series circuits in real life are:
a) The wiring used in houses that consists of series-connected resistors. This wiring method is used in homes as it allows for the safety of the electrical appliances used in the home.
b) The lights on a Christmas tree are connected in a series. The lights go out when one light fails.
This is done for safety reasons as well.
Two examples of parallel circuits in real life are:
a) The wiring in automobiles that consists of parallel-connected resistors. The wiring in automobiles is designed to work in parallel so that even if one bulb blows, other bulbs continue to function.
b) A parallel connection of LEDs used for lighting purposes. LEDs are connected in parallel in order to maintain brightness because if LEDs were connected in series, the voltage across them would not be enough to light them properly.
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what is the passage of light through an object?
A.) Transmission
B.) Constructive Interference
C.) Destructive Interference
D.) Absorption
E.) Refraction
F.) Diffraction
Answers
Answer:
transmission
Explanation: