can you give me an example about radiation
Answers
Explanation:
A burning candle emits radiation in the form of heat and light. The Sun emits radiation in the form of light, heat, and particles.
Answer: The energy from the sun is one great example of radiation. The sun emits light in a broad range of wavelengths which all contain energy. These waves are also discussed in the climate section for energy balance. The waves are emitted from the sun and travel through space and hit the earth and other planets.
EXTRA EXAMPLES: heat from a stove burner.
visible light from a candle.
x-rays from an x-ray machine.
alpha particles emitted from the radioactive decay of uranium.
sound waves from your stereo.
microwaves from a microwave oven.
electromagnetic radiation from your cell phone.
Related Questions
Transfer Functions of Electrical Systems (Special assignmen 3) There are 4 possible types of transfer functions for electrical systems. 1) Voltage Gain H_V(s) Vi(s) Electrical System V.(s) 2) Transfer Admittance H_Y(s) Vi(s) + +1 Electrical System I.(s) 3) Current Gain H_I(s) L(S) (1) 4) Transfer Impedance H_Z(s) L(S) (1) Electrical System Electrical System V.(s) I.(s) R = 12.50, L= 4H, C = 0.01F R + Vi(t) L CT Vo(t) 1) Find Vc(s)/Vs(s). 2) Show the pole-zero map. 3) Find the response to Vs(t) = u(t)V. 4) Find the response to Vs(t) = o(t)V.
Answers
The transfer function is Vc(s)/Vs(s) = (R + 1/(sC)) / (sL + R + 1/(sC)), the pole-zero map includes poles at -R/L and zeros at -1/(sC), the response to Vs(t) = u(t)V can be calculated using inverse Laplace transform techniques and the response to Vs(t) = o(t)V can also be determined using inverse Laplace transform techniques.
To find Vc(s)/Vs(s), we need to consider the given electrical system with components R, L, and C. By applying Kirchhoff's laws and solving for the output voltage Vc(s) and input voltage Vs(s) in the Laplace domain, we can derive the transfer function as (R + 1/(sC)) / (sL + R + 1/(sC)).
The pole-zero map provides insights into the stability and behavior of the system. In this case, the transfer function has poles at -R/L, indicating a time constant associated with the system's dynamics. The transfer function also has zeros at -1/(sC), which affect the frequency response characteristics.
To find the response to Vs(t) = u(t)V, where u(t) represents the unit step function, we can apply inverse Laplace transform techniques to the transfer function Vc(s)/Vs(s). This will yield the time-domain response of the system to a step input.
Similarly, to find the response to Vs(t) = o(t)V, where o(t) represents the unit impulse function, we can use inverse Laplace transform techniques on the transfer function Vc(s)/Vs(s). This will give us the time-domain response of the system to an impulse input.
By calculating the inverse Laplace transforms of the transfer functions in cases 3) and 4), we can obtain the time-domain responses of the electrical system to the respective inputs.
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which of the following is not an elastic material? selected answer: a golf ball answers: a steel beam a leg bone a golf ball a rubber band none of the above; they're all elastic materials
Answers
Elastic materials are those that, after being loaded, return to their former shape, hence none of the above is the correct option, they're all elastic materials.
In other terms, an elastic material is one that has the ability to restore its original shape by reversing the stress.
The behavior of their structures is what distinguishes elastic and plastic materials most from one another. When an elastic material reaches its elastic limit, it will shatter, unlike plastic, which will not.
The examples of elastic material are a golf ball, a steel beam, a leg bone, a golf ball, and a rubber band.
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a light bulb with a resistance of 10 ω is hooked up to a 2 v battery. if this light bulb were replaced by a bulb with 20 ω of resistance, what would change about the circuit?
Answers
When the light bulb with a resistance of 10 Ω is replaced by a bulb with 20 Ω of resistance, replacing the light bulb with a higher resistance would result in a decrease in current, brightness, power consumption, and heat generation in the circuit.
Here are the key changes:
1. Current: The current in the circuit would decrease. According to Ohm's Law (I = V/R), as the resistance increases and the voltage (V) remains constant, the current (I) decreases.
2. Brightness: The brightness of the bulb would decrease. Since the current is reduced, less electrical energy is flowing through the bulb, resulting in lower light output.
3. Power: The power consumed by the circuit would decrease. Power is calculated using the formula P = IV, where P is power, I is current, and V is voltage. As the current decreases, the power consumption of the circuit decreases.
4. Heat dissipation: The bulb with a higher resistance would generate less heat compared to the lower resistance bulb. This is because heat dissipation in a circuit is directly proportional to the square of the current (P = I²R), and with reduced current, less heat would be produced.
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make a list of principle of lever.
Answers
Answer:
The force applied to make the object move
Answer:
input work = output work
E * ED = L* LD
Explanation:
The principle of lever is that input work is always equal to output work .
. A car starts to move from rest has an acceleration of 3m/s².what will be the velocity and distance travelled by the car after 50sec.
Answers
Sure! Here are the steps for calculating the velocity and distance traveled by the car after 50 seconds :
Step 1: Calculate the velocity using the equation:
\(v = u + at\)
where:
- \(v\) is the final velocity
- \(u\) is the initial velocity (0 m/s, as the car starts from rest)
- \(a\) is the acceleration (3 m/s²)
- \(t\) is the time (50 seconds)
Substituting the values into the equation:
\(v = 0 + (3 \, \text{m/s²}) \times (50 \, \text{s})\)
Step 2: Calculate the distance traveled using the equation:
\(s = ut + \frac{1}{2}at^2\)
where:
- \(s\) is the distance traveled
- \(u\) is the initial velocity (0 m/s)
- \(a\) is the acceleration (3 m/s²)
- \(t\) is the time (50 seconds)
Substituting the values into the equation:
\(s = 0 \times (50 \, \text{s}) + \frac{1}{2} \times (3 \, \text{m/s²}) \times (50 \, \text{s})^2\)
Now, let's simplify these equations:
\(v = 3 \times 50\)
\(s = \frac{1}{2} \times 3 \times 50^2\)
Calculating the results:
\(v = 150\) m/s
\(s = 3750\) meters
Therefore, after 50 seconds, the car will have a velocity of 150 m/s and would have traveled a distance of 3750 meters.
Susie estimated that she can run for hours at a steady speed of 8m/h. She enters a
marathon, a distance of 26meters. How long should it take her to complete the race?
Answers
Time = (distance) / (speed)
Time = (26 meters) / (8 meters/hour)
Time = 3.25 hours or 3 hours 15 minutes
Water boils at 212°F. Which temperature is an equivalent temperature?
Answers
\(\mathrm {Hey, there!}\)
Let's solve your problem:
We will convert your number, 212°F, to Kelvin and Celsius.
212°F is equal to 100° Celsius.
Now, let's do the Kelvin convert.
To convert Celsius to Kelvin, we have to add 273.5 to the amount of Celsius.
100° + 273.5 = 373.5
We have all our conversions. Finally, let's set them out.
Fahrenheit: 212°F
Celsius: 100°C
Kelvin: 373.5°K
what fluid property is responsible for the development of the velocity boundary layer? for what kinds of fluids will there be no velocity boundary layer in a pipe?
Answers
Fluid viscosity is the property of the fluid that is responsible for the development of the velocity boundary layer. Non-viscous fluids do not exhibit the property of velocity boundary layer in a pipe.
What is fluid viscosity?
Thickness of a fluid is called its viscosity. In liquids, velocity boundary layer is formed due to viscosity.
Viscosity is also termed as the flow rate of a liquid. If a liquid has a high flow rate then its viscosity is low and vice versa.
The fluid viscosity can be measured by using viscometer. The formula to measure viscosity is F = μA. u/y
Here F is force, μ is fluid viscosity, A is the area and u/y sheer deformation rate.
On the contrary, a non-viscous fluid is one that has less thickness and can flow easily.
For example, water is a non-viscous fluid.
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A dog walks 14 meters to the west and then 20 meters back
to the east.
For this motion, what is the distance moved?
Answers
Answer:
34 meters
Explanation:
20 meters +14 meters =34 meters
What is the vertical component of a ball thrown at a 27 degree angle at 16 m/s?
Answers
y = y 0 + v 0 y t − 1 2 g t 2 . If we take the initial position y 0 to be zero, then the final position is y = 10 m. The initial vertical velocity is the vertical component of the initial velocity: v 0 y = v 0 sin θ 0 = ( 30.0 m / s ) sin 45 ° = 21.2 m / s .
consider a binary liquid mixture of a and b, where a is volatile and b is nonvolatile. the composition of the solution in terms of mole fraction is xa
Answers
The composition of the solution in terms of mole fraction will simply be equal to the mole fraction of the volatile liquid.
It is given that the liquid a is volatile and b is non-volatile. Since the solute a is not volatile, the mole fraction of the solute is not to be taken into account for. Being non-volatile, the liquid aa will not be contributing to the partial pressure. Hence, the partial pressure will only depend on the mole fraction of b which is given to be volatile.
Therefore, here we will only have to consider the mole fraction of the volatile liquid b and not the involatile liquid a.
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Abishek is a runner. He runs the 100 m sprint
in 10 x 6s. What speed did he travel at?
(in m/s)
Answers
Answer:
1.67m/s
Explanation:
Total Distance to be travelled by a Runner=100m
Time Taken=10*6s
Speed=Distance/Time
=100/10*6=10/6=1.67m/s
The answer you are looking for is approximately 1.67 m/s.
Solution/Explanation:
Distance Ran: 100 m.
Time ran: 10x6s, or 60s, or one minute.
Speed: Unknown?
Writing out the formula for speed, using distance and time,
S=D/T.
S=Speed.
D=Distance.
T=Time.
Substituting the given values of the variables,
S=100 m/10x6s, or S=100 m/one minute, or S=100 m/60s.
100÷60=1.6667≈1.67.
So, therefore, the final answer is approximately 1.67 m/s.
I hope that this has helped you. Enjoy your day, and take care.
Help me please if you don’t mind. The question is:
Blaine hit the ball with 50 newtons of force. It accelerated of his bat at 50 meters per second squared. What is the mass of the ball? *
50 points
Answers
Why can a roach survive a nuclear bomb but not raid?
Answers
It is a fallacy that roaches cannot survive a nuclear attack but can. Although roaches are immune to radiation, pesticides like Raid can still kill them.
Cockroaches might they survive a nuclear attack?The statement reads, "The magnitude of the effects of a nuclear explosion is far greater than what you might observe in meticulously controlled experiments and laboratory settings." In light of this, it can be said with certainty that cockroaches wouldn't survive a nuclear war.
Cockroaches seem to be able to withstand nuclear bombs but not raids.Roaches can tolerate radiation exposure due to their considerably slower cell reproduction cycle, with the exception of when they are weak and vulnerable to the exposure during the "molting process" or "exoskeleton growing phase," when there is a high risk of death. When exposed directly to a nuclear explosion, they perish from the extreme heat.
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Grade 11 Physics
Can anyone please help me answer these two questions? Soon as possible.
1. You walk due North for 100 m, then turned around and walked half that distance South. Your displacement is ____. Your distance is _____.
2. On a trip East to Ohio, you're in a car that goes 30 miles for 45 minutes, then another 70 for 1 1/2 hours before stopping for lunch. Your displacement during this time is ____.
I need to know which is a vector. What's missing?
Answers
Displacement is a vector. Distance is a scalar.
2. Displacement is 100 miles East.
Working to ensure that women get paid the same as a man for the same work is an example of? Social dysfunction, soical conflict, social justice, or social engineering?
Answers
Answer:
social justice is the correct answer
Explanation:
A heavy weight is resting on a mattress. A much lighter weight is dropped onto the mattress, and the larger weight moves slightly. How can this be explained
Answers
When a lighter weight is dropped onto a mattress, it exerts a downward force on the mattress. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. In this case, the mattress exerts an upward force on the lighter weight. As a result, the mattress undergoes compression, deforming its shape and creating a temporary dent.
Now, since the heavier weight is resting on the mattress, it applies a downward force on the mattress as well. When the lighter weight is dropped and creates a dent in the mattress, it compresses the mattress further, causing it to push against the heavier weight. Due to the pressure exerted by the mattress, the heavier weight moves slightly.
This phenomenon can be explained by the redistribution of forces. The weight dropped onto the mattress increases the pressure on the mattress, which in turn applies an additional upward force on the heavier weight. As a result, the heavier weight experiences a slight movement or displacement.
It's important to note that the movement of the heavier weight is generally small because the force exerted by the lighter weight is usually much smaller compared to the weight of the heavier object. However, the effect can still be observed, especially if the mattress is particularly soft or compressible.
Overall, this scenario demonstrates how forces are distributed and transmitted through objects, causing a reaction and resulting in a slight movement of the heavier weight when a lighter weight is dropped onto the mattress.
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Why did the author most likely write "Meeting Juli a
to explain why everyone should have a pen pal
to warn people about the dangers of having a pen pal
to share a positive experience she had with a pen pal
to show her parents why it is important to have a pen pal
Answers
Answer:
To share a positive experience she had with a pen pal
Explanation:
Just read the story :)
Answer:
C To share a positive experience she had with a pen pal
Explanation:
on edge
An object has a mass of 785g and a volume of 15cm cubed what is its density
Answers
Answer:
we have ,
mass(m)=785g
volume (v)= 15 cm^3
now , density(d)= m/ v
=785/15
=52.33g/cm^3... is anwer
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°
What is the Law of Conservation of Energy? Give an example.
Answers
Answer:
In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. ... For systems which do not have time translation symmetry, it may not be possible to define conservation of energy.
Example:
The law of conservation of energy can be seen in these everyday examples of energy transference: Water can produce electricity. Water falls from the sky, converting potential energy to kinetic energy. This energy is then used to rotate the turbine of a generator to produce electricity. ... The cue ball has energy.
A capacitor is a simple electrical device. It consists of three parts sandwiched tightly together. Two outer layers made of conductors are separated by an insulating middle layer. A simple circuit is made with a capacitor, a wire, and a battery. When fully connected, which of the following occurs?
1. The insulator stops the flow of electricity.
2. One plate becomes positively charged.
3. The net charge on the capacitor remains at zero.
Answers
I only
II only
I, II, and III
I and II only
Answers
A substance that prevents free flow of electrical current is known as an electrical insulator. The electrons in the insulator's atoms are securely bonded and immobile.
Which plate is electrically positive?Protons are in overabundance on an aluminium plate that is positively charged. A positively charged aluminium plate has a deficiency of electrons when viewed from the perspective of electrons. We might characterise each extra proton as being somewhat dissatisfied in terms of people.
How could a plate get charged up positively?The other plate develops an imposed positive charge as a result of the electron's electric field, which pulls on the electrons that are in that plate and repels other electrons.
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What is needed in a market for a good to be considered elastic?
Answers
If the amount demand of a product changes more than proportionally as its price rises or falls, then it is said to be elastic.
How is a market made elastic?The more replacements there are for an item, more elastic the good is, according to definition of an elastic good, which is where change in price results in a large movement in demand. Price elasticity of demand is determined by dividing percentage change in quantity required by the percentage change in price.
Products like cars, appliances, and luxury items that are rarely purchased are examples of elastic commodities. In the event that the cost of these products is momentarily high, consumers may decide to put off buying.
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Enumera las funciones del Estado
Answers
Answer:
Gobernancia. ...
Compromiso con el mercado. ...
Seguridad. ...
Infraestructura. ...
Imperio de la ley. ...
Capital humano. ...
Gestión Financiera Pública. ...
Compromiso ciudadano.
Explanation:
2.(02.07 MC)
The table below shows data of sprints of animals that traveled 75 meters. At each distance marker, the animals' times were recorded. Which animal moves with non-accelerated motion? (2 points)
Time at Distance Markers
25 meters 50 meters 75 meters
Animal
Animal 1 3 seconds
4.5 seconds 5 seconds
5.25 seconds
Animal 2 4.5 seconds 5 seconds
Animal 3 3.5 seconds 7 seconds
10.5 seconds
Animal 4 5 seconds
10 seconds
13 seconds
O Animal 1
O Animal 2
O Animal 3
O Animal 4
Answers
On October 17, 2006, the population of the United States reached 300. Million. If all of those people jumped up in the air simultaneously, pushing Earth with an average force of 800. N each for a time of 0.10 s, what would happen to the 5.98 1024 kg Earth? Show a calculation that justifies your answer.
Answers
Answer:
Generally it shows that the Earth will attain a velocity of
\(v= 4.0133*10^-15 m/s\)
Explanation:
From the question we are told that
Total Number N=300
Force=800
Time=0.10s
Weight of Earth \(W=5.98*10^24kg\)
Generally the equation for Impulse is Force *Time
\(Impulse =Force *Time\)
And
\(Force *Time=Change\ in\ momentum\)
Therefore
\(300*10^6*800*0.1 = 5.98*10^24*v\)
\(v= \frac{300*10^6*800*0.1}{5.98*10^2^4}\)
\(v= \frac{2.4*10^1^0}{5.98*10^2^4}\)
\(v= 4.01*10^-15 m/s\)
Generally it shows that the Earth will attain a velocity of
\(v= 4.0133*10^-15 m/s\)
Can someone help please
Answers
Use the drop-down menu to choose the type of thermal energy transfer shown at each point in the image. A: B:
Answers
Answer:
ANSWER IS A CONVECTION
B CONDUCTION
Point A heat transfer as steam is type of a convection heat transfer
Point B a source is the type of conduction heat transfer
What is conduction and convection heat transfer ?Conduction = It is a process of heat transfer in which energy is transferred between successive molecules For example If we put the one end of the spoon to the boiling water then other end also become hot due to conduction.
Convection = It is type of heat transfer in which the heat flows due to movement of molecules or convection currents. convection heat transfer takes place in water and gases.
Just like this at point B the heat is transferred from one molecule to other which is conduction.
And point A heat transferred from steam which is convection as explained in above definition.
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Planet A has a mass of 2.25 x 1020 kg, while planet B has a
mass of 6.20 x 1018 kg. What is the gravitational attraction
between two planets if the distance between them is
435,500 km? Estimate G as 6.67 x 10-11 N (m/kg)
Answers
Answer:
4905.95 N
Explanation:
F= G m1 m2 / (r^2)
= 6.67 x 10^-11 * 2.25 * 10^20 * 6.2 * 10^10 / ( 435 500 000)^2 =
( be sure to use meters NOT kilometers !)
The gravitational attraction between two planets is 4905.95 N
What is gravitational attraction?When two objects with masses are placed at a distance, there will an attractive force acting between them.
According to the Newton's law of gravitation, gravitational force is
F = Gm₁m₂ /r²
where r is the distance between the masses m₁ and m₂ and G is the gravitational constant G = 6.67 x 10⁻¹¹ N-m²/kg²
Substitute the values into the expression, we get
F = 6.67 x 10⁻¹¹ x 2.25 x 10²⁰ x 6.20 x 10¹⁸ / (435,500 x 1000)²
F= 4905.95 N
Thus, the gravitational attraction between two planets is 4905.95 N.
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Proponer un modelo donde se puedan poner en práctica los conceptos de voltaje y potencia.
Answers
Answer: There you go
Explanation:
