difference between magnetic energy and chemical energy
Answers
Each magnetic field contains energy, also called magnetic energy. ... Because a magnetic field is generated by electric currents, the magnetic energy is an energy form of moving charge carriers (electrons). To understand where this energy comes from, it's worth taking a look at how a magnetic field works.
Chemical energy, Energy stored in the bonds of chemical compounds. Chemical energy may be released during a chemical reaction, often in the form of heat; such reactions are called exothermic. ... The chemical energy in food is converted by the body into mechanical energy and heat.
Related Questions
what evidence suggests that triton is a captured moon?
Answers
One piece of evidence that suggests Triton is a captured moon is its retrograde orbit around Neptune, which means it orbits in the opposite direction of Neptune's rotation, a characteristic commonly observed in captured objects.
Multiple lines of evidence support the hypothesis that Triton, the largest moon of Neptune, is a captured moon. One significant piece of evidence is Triton's retrograde orbit, which means it orbits in the opposite direction of Neptune's rotation.
Retrograde orbits are uncommon for moons formed in the same protoplanetary disk as their host planet. This suggests that Triton may have originated elsewhere and been captured by Neptune's gravitational pull. Additionally, Triton's highly inclined and eccentric orbit further supports the capture theory.
Its orbit is tilted relative to Neptune's equator and is more elongated than typical moons formed in situ.
These characteristics align with expectations for a captured object, as gravitational interactions during capture can alter the moon's orbit and result in these unique orbital properties observed in Triton.
Learn more about Triton:
https://brainly.com/question/31860365
#SPJ4
Which of the following is a colligative property of water?
molecular structure
solubility
boiling point
reactivity
Answers
Answer:
boiling point
Explanation:
In the case of boiling point, the presence of solute particles in a solution causes the boiling point of the solution to be higher than that of the pure solvent. This is because the solute particles interfere with the movement of the solvent molecules, making it more difficult for them to escape from the surface of the solution and enter the gas phase.
If a train approaches you (sitting in the bench ) at a velocity of 35 m/s, what frequency will you hear as it sounds its whistle at 188 Hz? speed of sound= 345 m/sA) 188 HzB) 170.7 HzC) 209.2 HzD) 202.7 Hz
Answers
Given:
The speed of the train is,
\(v_s=35\text{ m/s}\)The actual frequency of the whistle is,
\(f=188\text{ Hz}\)The speed of sound in air is,
\(v=345\text{ m/s}\)To find:
The frequency heard by the observer
Explanation:
The apparent frequency when the train approaches the observer is given by,
\(\begin{gathered} f_{apparent}=f\frac{v}{v-v_s} \\ =188\times\frac{345}{345-35} \\ =188\times\frac{345}{310} \\ =209.2\text{ Hz} \end{gathered}\)Hence, the frequency heard by you is 209.2 Hz.
A dog runs with an initial velocity of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
Answers
Answer:
-0.5 m/s^2
Explanation:
Acceleration = change in velocity / total time
7.5 / 15 = 0.5
an object is placed at dist 25cm in front of concave mirror and image has magnification of -2 .find focal length
Answers
Answer:
Given,
Object distance, u=25cm
Focal length, f=20cm
From mirror formula
f
1
=
v
1
+
u
1
−20
1
=
v
1
−
25
1
⇒
v
1
=−
20
1
+
25
1
v=100cm
The image will be real, inverted magnified
Explanation:
Given,
Object distance, u=25cm
Focal length, f=20cm
From mirror formula
f
1
=
v
1
+
u
1
−20
1
=
v
1
−
25
1
⇒
v
1
=−
20
1
+
25
1
v=100cm
The image will be real, inverted magnified
if an exoplanet is detected by measuring the side to side motion of a star due to gravitational tugs from the unseen planet, the method is
Answers
The side to side motion of a star due to gravitational tugs from an unseen planet is a method known as radial velocity or Doppler spectroscopy.
This technique works by measuring the tiny shifts in the star’s spectral lines that are caused by the gravitational pull of the planet as it orbits around the star. As the planet moves closer to the observer, the star’s light is blue-shifted, and as it moves away, the star’s light is red-shifted.
By measuring these small shifts in the star’s light, astronomers can calculate the planet’s orbital period and its minimum mass. This method is especially useful for detecting exoplanets that orbit close to their host star, as the gravitational tug from these planets has a more pronounced effect on the star’s radial velocity.
Additionally, because this method measures the star’s velocity, it is able to detect planets regardless of their albedo or atmosphere.
Know more about radial velocity here
https://brainly.com/question/29569575#
#SPJ11
A series circuit has a combination of two resistors, one 7.25 ohm's and the other 4.50 ohm's.
They are connected to a 9-volt battery. What is the equivalent resistance of the circuit?
Answers
Answer:
11.75 ohms
Explanation:
since its series connection
R equivalent = R1 + R2 = 7.25 + 4.5
Which would ba another example of newtons first law?
Answers
Which visible quality of smoke shows that it contains a
lot of gas influencing the other particles?
O The shade of the color is different in different places.
O Smoke usually has an unpleasant smell.
O Smoke rises out of very hot substances.
O The shape of the smoke changes very easily.
Answers
Answer:
C: Smoke rises out of very hot substances
Explanation:
Edge
Answer:
It's D.
Explanation:
which research model refers to the study of an individual group or community over a predetermined period
Answers
Developing Psychological Theories: Mastery Test
-
Hope this helps :)
-
the curved speed time graph represents what acceleration motion
Answers
The density of a typical laboratory plasma is 1018 m-3. this value leads to plasma oscillations at:________
Answers
The density of a typical laboratory plasma is 1018 m-3, this value leads to plasma oscillations at 9 x 10⁹ Hz.
What is density?The density of an object is defined as the measurement of how tightly a material is packed together.
It is also defined as the mass per unit volume and its unit is kilogram per meter cube.
Density = mass / volume
Oscillation of the plasma at the given densityf = 9(n)^0.5
where;
n is density = 10¹⁸
f = 9(10¹⁸)^0.5
f = 9(10⁹) Hz
f = 9 x 10⁹ Hz
Thus, if the density of a typical laboratory plasma is 1018 m-3, this value leads to plasma oscillations at 9 x 10⁹ Hz.
Learn more about plasma oscillations here: https://brainly.com/question/14941730
#SPJ4
A 0.40 ohms resistor is made from a wire of length 5m and resistivity 2*10-6 ohms m what is the cross sectional area of the wire
Answers
Answer:
25×10⁻⁶ m² or 25 mm²
Explanation:
R = ρL/A
0.40Ω = (2×10⁻⁶ Ωm) (5 m) / A
A = 25×10⁻⁶ m²
A = 25 mm²
on a typical day, a 65-kg man sleeps for 7.0 h, does light chores for 2.5 h, walks slowly for 1.4 h, and jogs at moderate pace for 0.2 h. what is the change in his internal energy for all these activities? (use any necessary data on metabolic rates found in this table. consider the chores and walking as light activity, and the jogging as moderate activity.) -0.00155 incorrect: your answer is incorrect.
Answers
The change in his internal energy for all these activities performed by the 65-kg man is -435 kJ.
To calculate the change in his internal energy for all these activities, we use the formula; ΔE = (P)(Δt)
where P = power expended, and Δt = time
The formula states that the internal energy change is proportional to the time spent and the power expended by an individual during the activity. Using the data in the table, the metabolic rates for light activity and moderate activities are 4.2 kJ/min and 11.1 kJ/min, respectively, assuming that the man's mass is 65 kg.
Arranging the given data from the problem in the table below.
Activity Power, P (kJ/min)
Time, Δt (h)
Energy, ΔE (kJ)
Sleeping0.89.80
Light Chores4.22.5(4.2)(150)
Walking Slowly4.21.4(4.2)(84)
Jogging Moderately11.10.2(11.1)(12)
Sum 435. Note that the negative sign indicates that the man's internal energy decreased by 435 kJ during the activities.
More on internal energy: https://brainly.com/question/11742607
#SPJ11
what is the affect of applying an unbalanced force on an object?
Answers
Answer:
An unbalanced force can change an object's motion. An unbalanced force acting on a still object could make the object start moving. An unbalanced force acting on a moving object could make the object change direction, change speed, or stop moving
Explanation:
hope this helps :)
what equipment will you be using this week? (select all that apply.) select one or more: labpro voltmeter capacitors resistors oscilloscope digital multimeter (dmm)
Answers
Equipment used for the laboratory LabPro voltmeter ,resistors ,capacitors. To measure the resistance of the resistors.
It is measured in the unit of the Ampere, called “Amp,” (A). The most common way to measure current in a circuit is to break the circuit open and insert an ammeter in series (in-line) with the circuit so that all electrons flowing through the circuit must also go through the meter.
A digital multimeter is a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms).
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.
A capacitor is a device that stores electrical energy in an electric field by virtue of accumulating electric charges on two close surfaces insulated from each other. It is a passive electronic component with two terminals. Capacitor.
Learn more about capacitor here:-
https://brainly.com/question/17176550
#SPJ4
Characteristics of a researcher wherein he is doubtful to veracity of the results?
Answers
Answer: Healthy Criticism
Explanation:
Answer:
intellectual curiosity
Explanation:
magnetic field imaging of superparamagnetic particles using high-density, perfectly oriented nv centers in diamond cvd film
Answers
Magnetic field imaging of superparamagnetic particles can be achieved using high-density, perfectly oriented NV (Nitrogen-Vacancy) centers in a diamond CVD (Chemical Vapor Deposition) film.
NV centers are defects in the diamond lattice structure that possess unique magnetic properties, making them suitable for sensing and imaging applications.
In this technique, superparamagnetic particles are introduced into the sample of interest. These particles exhibit magnetic behavior in the presence of an external magnetic field, allowing their detection and imaging. The diamond CVD film, containing a high density of perfectly oriented NV centers, acts as a sensitive magnetic field sensor.
When the superparamagnetic particles interact with the magnetic field, they induce a change in the spin state of the nearby NV centers. By measuring the fluorescence intensity or the spin state of the NV centers, the magnetic field distribution can be mapped and imaged.
The high density and perfect orientation of the NV centers in the diamond film enable precise and sensitive detection of magnetic fields, offering a powerful tool for magnetic field imaging in various scientific and technological applications.
Learn more about Chemical Vapor Deposition
https://brainly.com/question/32572721
#SPJ11
In space, there is no friction. Without the force of friction, satellites and other moving objects will continue moving at the same speed unless they are acted on by other forces.
Which of Newton’s laws of motion best matches this example?
Answers
Answer:
Newton's first law
Explanation:
it says that an object will continue to be at rest or keep moving till any external for is applied to it to make it move or stop respectively.
a bullet is fired horizontally with an initial speed of 200.0 m/s at a height of 1.00 m above the ground. how long will it take the bullet to hit the ground?
Answers
The time taken for the bullet to hit the ground is 0.205 seconds.
The given initial speed of the bullet is 200.0 m/s and the initial height of the bullet above the ground is 1.00 m. The time taken for the bullet to hit the ground needs to be determined.To calculate the time it will take the bullet to hit the ground, we can use the kinematic equation:h = vit + 1/2gt²Where, h = height of the bullet above the ground, vi = initial velocity of the bullet, g = acceleration due to gravity and t = time taken for the bullet to hit the ground.
Given, h = 1.00 m, vi = 200.0 m/s, g = 9.81 m/s²Therefore,1.00 = 200t + 1/2 × 9.81 × t²1.00 = 200t + 4.905t²1.00 = t(200 + 4.905t)4.905t² + 200t - 1.00 = 0Solving for t by using the quadratic formula: t = (-b ± √(b² - 4ac))/(2a)Where, a = 4.905, b = 200, c = -1.00t = (-200 ± √(200² - 4 × 4.905 × -1.00))/(2 × 4.905)t = (-200 ± 198.9)/9.81t = (-200 + 198.9)/9.81 (rejecting the negative value as time cannot be negative)t = 0.205 seconds. Therefore, the time taken for the bullet to hit the ground is 0.205 seconds.
learn more about time
https://brainly.com/question/13912013
#SPJ11
boy uses a simple pulley to pull a block up a ramp. The height of the ramp is 4 m and the length of the ramp is 10 m. Calculate the mechanical advantage of the ramp and does the pulley provide any additional advantage?
Answers
(a) The mechanical advantage of the ramp is determined as 2.5.
(b) The pulley provides additional advantage since it assisted the boy in pulling up the load.
What is mechanical advantage?The mechanical advantage of an object is the ratio of output force to input force, hence it is called force ratio.
Mechanical advantage of the rampM.A = Lp/h
where;
Lp is the length of the inclined planeh is height of the inclined planeM.A = 10/4
M.A = 2.5
Learn more about mechanical advantage here: https://brainly.com/question/25984831
#SPJ1
which one is more important in science, qualitative or quantitative
Answers
Answer:
quantitative
Explanation: quantitative research is better for scientist.
You say you can,t defy gravity but you really can defy gravity with a magnet. how when you make a magnet into a ball it produces a different field and that field can really defy gravity.
Answers
While magnets can exhibit attractive or repulsive forces, they do not inherently defy gravity. Magnets create magnetic fields that interact with other magnetic objects, but these interactions are distinct from the force of gravity.
Magnets generate magnetic fields, which can interact with other magnetic objects or materials that are responsive to magnetism. These interactions can result in attractive or repulsive forces, depending on the orientation of the magnets and the properties of the materials involved. However, these magnetic forces are separate from the force of gravity.
Gravity is a fundamental force of nature that acts on all objects with mass or energy, regardless of their magnetic properties. It is the force that attracts objects towards each other and gives weight to objects in a gravitational field. Magnets, on the other hand, produce magnetic fields that influence other magnets or magnetically responsive materials.
While a magnet's magnetic field can have a noticeable effect on certain objects, such as causing them to move or appear to defy gravity when suspended, it is important to recognize that this effect is due to the interaction of magnetic forces, not a direct defiance of gravity itself.
Learn more about gravity here: https://brainly.com/question/31321801
#SPJ11
A car slows down from a velocity of 25 m/s to rest in 5.0 seconds. How far did the car travel during that time?
Answers
Answer:
\( \boxed{\sf Distance \ travelled = 62.5 \ m} \)
Given:
Initial velocity (u) = 25 m/s
Final velocity (v) = 0 m/s (Rest)
Time taken (t) = 5 seconds
To Find:
Distance travelled by car (s)
Explanation:
From equation of motion of object moving with uniform acceleration in straight line we have:
\( \boxed{ \bold{s = (\frac{v + u}{2} )t}}\)
By substituting value of v, u & t in the equation we get:
\( \sf \implies s = ( \frac{0 + 25}{2} ) \times 5 \\ \\ \sf \implies s = \frac{25}{2} \times 5 \\ \\ \sf \implies s = 12.5 \times 5 \\ \\ \sf \implies s = 62.5 \: m\)
\( \therefore\)
Distance travelled by car (s) = 62.5 m
The distance car travel during that time is 62.5 meter.
What is acceleration?
Acceleration is the rate at which speed and direction of velocity vary over time. A point or object going straight ahead is accelerated when it accelerates or decelerates.
Even if the speed is constant, motion on a circle accelerates because the direction is always shifting. Both effects contribute to the acceleration for all other motions.
Initial velocity (u) = 25 m/s
As the car becomes rest, final velocity (v) = 0 m/s (Rest)
Time taken (t) = 5 seconds.
The deceleration of the car: a = (initial speed - final speed)/time interval
= ( 25 m/s - 0 m/s)/5 second
= 5 m/s²
The distance car travel during that time = ut - at²/2
= 25 × 5.0 meter - (5×5²/2) meter
= 62.5 meter.
Hence, the distance car travel during that time is 62.5 meter.
Learn more about acceleration here:
brainly.com/question/12550364
#SPJ2
calculate the frequency of a wave that is traveling at a speed of 3.0 m/s and has a wavelength of 1.2m
Answers
Answer:
2.5 Hz
Explanation:
3.0m/s / 1.2 m=2.5 1/s=2/5 Hz
The frequency of a wave with speed of 3.0 m/s and has a wavelength of 1.2m is 2.5 Hz.
What is frequency?The frequency of a wave is the number of cycles per second.
Given the wavelength is 1.2 m and speed v =3.0m/s, then the frequency of the wave is
v =fλ
f = 3 / 1.2
f = 2.5 Hz
Thus, the frequency of the wave is 2.5 Hz.
Learn more about frequency.
https://brainly.com/question/8304265
#SPJ2
express the relationship between 1/do, 1/di, 1/f as an equation.
Answers
1/do + 1/di = 1/f
blah blah blah why does the answer have to be 20 characters long
a block kept on a frictionless horizontal surface is acted upon by a force of 100N, as shown in the figure below.
What magnitude of force must be applied on the block from the opposite direction to stop its motion?
A) 50 N
B) 75 N
C) 100 N
D) 200 N
Answers
Answer:
The answer to this is C) 100N
describe how your data supports the statement the rate of movement of dna fragments is inversely proportional to the log of their size in kb
Answers
Answer: Is there supposed to be something elses here because this question is unclear.
Explanation:
Describe another model in science that you have learned about that you think may have been revised over time as scientists have gathered new evidence.
Answers
Una onda sonora se produce durante 1,5 s. Posee una longitud de onda de 2,4 m y una velocidad de 340 m/s.
a) ¿Cuál es la frecuencia de la onda?,
Answers
Answer:
Una secadora de cabello tiene una resistencia de 10Ω al circular una corriente de 6 Amperes, si está conectado a una diferencia de potencial de 120 V, durante 18 minutos ¿Qué cantidad de calor produce?, expresado en calorías
Explanation:
Una secadora de cabello tiene una resistencia de 10Ω al circular una corriente de 6 Amperes, si está conectado a una diferencia de potencial de 120 V, durante 18 minutos ¿Qué cantidad de calor produce?, expresado en calorías