What is an infrared camera simple definition
IN OWN WORDS!!!!!!!!!!
explain like you would to a kid pls
Answers
Answer:
An infrared camera – also called IR camera, thermal means heat it can track your heat camera or thermal camera – is a measuring by instrument it means its a measuring tool
used for non-contact measurements of the surface temperature of objects.
Explanation:
kids are oof
Related Questions
what is cell function
Answers
Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Explanation:
9. Liquid A has greater density than Liquid B. Which liquid will be exerting more pressure on the sides of the container?
Answers
Answer:
The depth of water near middle tube is greater so the water comes out with greater pressure from middle tube and falls farther away from the base of vessel. The depth of water near lowermost tube is the greatest so the water comes out of lowermost tube with the greatest pressure and goes farthest from the vessel.
A skier with a mass of 67 kg is skiing down a snowy slope with an incline of 37. Find the friction if the coefficient of kinetic friction is 0.07. less than 0.2 Now choose from one of the following options Why? a 27.66 N b 34.70 N c 36.71 N d 45.96 N
Answers
When a skier slides down a slope, there are forces working on them that affect their motion. The skier is subjected to forces of friction, gravity and wind resistance while skiing down the slope. If there were no friction, the skier would slide down the slope uncontrollably at increasing speed, so friction is important.
Friction acts opposite to the direction of motion and slows down the skier. Let's answer the given question;A skier with a mass of 67 kg is skiing down a snowy slope with an incline of 37. Find the friction if the coefficient of kinetic friction is 0.07. less than 0.2.
We know that friction is given by the formula;Friction = coefficient of friction × Normal forceThe skier's weight acts in a direction perpendicular to the slope, so we need to find the normal force. The normal force is the force exerted by the slope perpendicular to the skier's weight.
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Use the momentum equation for photons found in this week's notes, the wavelength you found in
Answers
The momentum equation for photons is given by p = h/λ, where p is the momentum, h is the Planck's constant, and λ is the wavelength.
What is the momentum equation for photons?The momentum equation for photons is an important equation in quantum mechanics that relates the momentum of a photon to its wavelength. It is given by the equation p = h/λ, where p represents the momentum of the photon, h is Planck's constant (approximately 6.626 x 10^-34 J·s), and λ denotes the wavelength of the photon. This equation shows that the momentum of a photon is inversely proportional to its wavelength. As the wavelength increases, the momentum of the photon decreases, and vice versa.
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The graphic organizer compares energy transfer in two layers of the Sun. A venn diagram of 2 intersecting circles with the left circle labeled convection zone and the right circle labeled radiative zone. There is an X in the convection zone circle. There is a Y in the radiative zone. Which labels belong in the regions marked X and Y? X: Absorbs energy from the core Y: Takes longer for photons to move through X: Releases energy to the photosphere Y: Takes longer for photons to move through X: Takes longer for photons to move through Y: Absorbs energy from the core X: Takes longer for photons to move through Y: Releases energy to the photosphere
Answers
Answer:
X: Absorbs energy from the core.
Y: Releases energy to the photosphere.
Explanation:
Convection is a mode of heat transfer through fluids (liquids or gas), and it requires material medium for its propagation.
The energy absorbed from the core of the Sun, is transferred through X (convection zone) by convectional process, and it flows to Y (radiative zone). Since the regions X and Y have different functions, the heat propagates from X causing photons to traverse through Y where it get released into the photosphere or the Sun's surface.
Therefore;
X: Absorbs energy from the core.
Y: Releases energy to the photosphere.
Answer:
X: Takes longer for photons to move through
Y: Releases energy to the photosphere
Explanation:
The electrical system that provides power to your school has two major parts: The transmission line which sends power to your local area and the distribution lines which transmit the power locally. For safety and efficiency, the voltage must be ______________ in the transmission lines and ____________ in the distribution lines.
Answers
Answer:
The answer is below
Explanation:
Because of the resistance of transmission lines, high current along the line leads to large voltage drop. This voltage drop causes low efficiency because the voltage at the receiving end is far less than that at the sending end.
Therefore there is need to transmit at a higher voltage (smaller current) than that required by distribution because of efficiency.
Hence, For safety and efficiency, the voltage must be large in the transmission lines and small in the distribution lines.
When an electric fan is running, most of the incoming electrical energy changes into which kind of energy?
Answers
A. It Implies That M Is Finitely Generated. B. It Implies That M Has Nonzero Elements Of Nonzero Order. C. When Every Non-Null Element Has Null . D. In The Case That The Ring R Is A Body. E. None Of The Above Alternatives Gives A
Which of the following alternatives give a true statement. Justify your answer.
A modulus M over a ring R has a finite basis:
a. It implies that M is finitely generated.
b. It implies that M has nonzero elements of nonzero order.
C. When every non-null element has null .
d. in the case that the ring R is a body.
e. None of the above alternatives gives a true statement.
Which of the following statements are true?
a. If a subset of a module generates that whole module, then the subset cannot be
empty.
b. Every submodule S of a module M verifies the inequality C. Two different subsets of M have to generate two different submodules of M.
d. If S generates a submodule N of the module M, then contains S.
e. Neither statement is true.
Answers
The correct answer is e. None of the above alternatives gives a true statement. None of the statements in options a, b, c, and d are true when it comes to a modulus M over a ring R having a finite basis.
When a modulus M can be formed entirely from a finite set of elements, the modulus M is said to be finitely generated. M's finite basis does not, however, automatically imply that M is finitely generated. A basis is a set of linearly independent elements, and it might not be enough to produce all of the components of the modulus.
According to the assertion in option b, M must include nonzero items of nonzero order if it has a finite basis. This is untrue, though. The smallest positive number k, such that the element raised to the power of k equals the identity element, is referred to as the order of an element.
According to option c, every non-null element in a modulus with a finite basis has a null. Nevertheless, this claim is likewise untrue. It is possible for a modulus with a finite basis to have non-null elements without a null element.
According to option d, a ring R is a body, or a field, and only then can a modulus have a finite basis. However, this assertion is also untrue. Even though the ring R is not a field, a modulus can nonetheless have a finite basis. None of the given alternatives provides a true statement about a modulus M over a ring R having a finite basis.
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some telephoto cameras use a mirror rather than a lens. what radius (in m) of curvature mirror is needed to replace a 880 mm focal length telephoto lens?
Answers
A mirror with a radius of curvature of 440 mm is needed to replace an 880 mm focal length telephoto lens.
How can a mirror replace a telephoto lens with an 880 mm focal length?A telephoto lens is typically used in photography to achieve a long focal length in a compact design. However, some telephoto cameras utilize a mirror instead of a lens to achieve the desired focal length. In this case, to replace an 880 mm focal length telephoto lens, a mirror with a radius of curvature of 440 mm is needed.
When light enters a telephoto camera with a mirror, it reflects off the mirror's surface and forms an image. The mirror's curvature plays a crucial role in determining the focal length of the system. A mirror with a radius of curvature equal to half the focal length of the desired lens can create an equivalent focal length when combined with other optical components.
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The radius of curvature needed for the mirror to replace an 880 mm focal length telephoto lens is approximately 0.88 meters.
How to determine mirror radius for 880mm focal length telephoto lens?The radius of curvature required for a mirror to replace an 880 mm focal length telephoto lens is approximately 0.88 meters.
By using the mirror formula, which relates the focal length of a mirror to its radius of curvature, we can determine the necessary curvature.
The formula is
\(1/f = 1/d_o + 1/d_i,\)
where
f represents the focal length,\(d_o\)is the object distance, and\(d_i\) is the image distance.Substituting the values and solving the equation, we find that the image distance \((d_i)\)is equal to the focal length of the mirror (f), which indicates that the radius of curvature needed is approximately 0.88 meters.
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14.What is the kinetic energy of a 3kg ball that is rolling 2m/s?
Answers
So KE=.5mv2
KE=.5(3)(2)^2
KE=.5(3)(4)
KE=.5(12)
KE=6 joules
Studying more difficult subjects first is an effective study habit because
оа
easier topics require less time to review
Ob
they make you the most tired
ос
they require more effort and mental energy
O d
you can get through them faster
Answers
Answer:
easier topics require less time to review
Explanation:
(a) find the far point of an eye for which a prescribed lens has an optical power of -0.65 d.
Answers
The far point of the eye is approximately 1.54 meters.
To find the far point of an eye follow these steps:
1. Determine the focal length of the lens: The optical power (P) of a lens is the inverse of its focal length (f) in meters. So, P = 1/f or f = 1/P.
2. Calculate the focal length: Given the optical power of -0.65 D, the focal length can be calculated as f = 1/-0.65 ≈ -1.54 meters. A negative sign indicates that the lens is a diverging lens, which is commonly prescribed for myopia or nearsightedness.
3. Find the far point: For a person with myopia, the far point is the distance at which they can see clearly without any corrective lenses. The far point can be found using the lens formula, which is 1/f = 1/u + 1/v, where 'f' is the focal length, 'u' is the object distance (distance of the object from the lens), and 'v' is the image distance (distance of the image formed from the lens).
Since the far point is the maximum distance at which the person can see clearly without corrective lenses, the image formed by the lens should be at infinity (v = ∞). So the formula becomes:
1/f = 1/u + 1/∞
1/f = 1/u
4. Calculate the object distance (u): Since we know the focal length (f), we can calculate the object distance (u) using the formula:
u = 1/(1/f) = 1/(1/-1.54) ≈ -1.54 meters
So, the far point of the eye is approximately 1.54 meters. Note that the negative sign indicates that the far point is a virtual point located behind the lens.
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Why is a concave mirror is used a reflector in a torch light?
Answers
Answer:
Below:
Explanation:
A concave mirror is used as a torch reflector. ... When a light bulb is placed at the focus of a concave mirror reflector, the diverging light rays of the bulb are collected by the reflector. These rays are then reflected to produce a strong, parallel-sided beam of light.
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It's Miss-Muska
a uniform 135-g meter stick rotates about an axis perpendicular to the stick passing through its center with an angular speed of 3.50 rad/s. what is the magnitude of the angular momentum of the stick?
Answers
The correct option is A, the stick's angular momentum is measured at a magnitude of \(0.0394\:kg . m^2/s\).
In this case I is given as;
\(I = 1/12\:(m*L^2)\\I = 1/12\:( 0.135 * 1^2)\\I = 0.01125\:kg\:m^2\\\)
Following that, the angular momentum may be computed as
\(M = 0.01125\:kg\:m^2*3.50\:rads/s\\M = 0.039375\:kg\:m^2/s\\M = 0.0394\:kg\:m^2/s\)
The rotating motion of an object around an axis is described by the fundamental idea of angular momentum in physics. It is a vector quantity that is affected by the mass, velocity, and separation from the axis of rotation of the object. The ratio of an object's moment of inertia to its angular velocity determines how much angular momentum it has.
An object's angular momentum measures how much it rotates and how challenging it is to halt that revolution. The angular momentum of an object increases with its moment of inertia and angular velocity. Since angular momentum is conserved in isolated systems, a system's overall angular momentum stays constant until it is affected by an outside torque.
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Complete Question:-
A uniform 135-g meter stick rotates about an axis perpendicular to the stick passing through its center with an angular speed of 3.50 rad/s. What is the magnitude of the angular momentum of the stick?
A) 0.0394 kg · m^2/s
B) 0.473 kg · m^2/s
C) 0.0739 kg · m^2/s
D) 0.158 kg · m^2/s
E) 0.0236 kg · m^2/s
Complete the following table. Be sure to include units in your answer.
Net Force (N)
Mass (kg)
Acceleration
5.0
2.32
18.2
0.87
180
2.5
12
1.967
21.2
1.793
Answers
The acceleration of the object is equal to the net force exerted on it divide by its masses, or a = F m, in accordance with Newton's second rule of motion.
What is the net force equation?Whenever a forces is applied to a body, numerous other forces, such as gravitational force Field goal, frictional force Ff, and the normal force, also work to balance the imposed force. Therefore, FNet Equals Fa Plus Fg Plus Ff + FN is the formula for net force.
What does net force mean when accelerating?The effects (the total) of all push and pull forces that are really operating on a thing is known as the net force. An object will accelerates in the net force if the pushing and pulling forces acting on it are not equal (a net force acts).
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What must occur for neutral chargers to occur
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which is the correct statement regarding the work and impulse required to move a box on the floor i) from 2v to 3v; and ii) from 3v to 4v? a box is shown on a horizontal surface. which is the correct statement regarding the work and impulse required to move a box on the floor i) from 2v to 3v; and ii) from 3v to 4v? a box is shown on a horizontal surface. case i requires more work, but i and ii require the same amount of impulse; case i requires less impulse, but i and ii require the same amount of work; case i requires less work, but i and ii require the same amount of impulse; case i requires more impulse, but i and ii require the same amount of work; the two cases require the same amount of work and impulse;
Answers
The correct statement regarding the work and impulse required to move a box on the floor from 2v to 3v and from 3v to 4v is Case i requires less work, but i and ii require the same amount of impulse.
W = ΔKE
W = Work done
ΔKE = Change in Kinetic energy
ΔKE = 1 / 2 m ( v2 - v1 )²
J = m Δv
J = Impulse
m = Mass
Δv = Change in velocity
For ( i ),
W = 1 / 2 m ( ( 3 v )² - ( 2 v )² )
W = 1 / 2 m ( 9 v² - 4 v² )
W = 2.5 m v²
J = m ( 3 v - 2 v )
J = m v
For ( ii ),
W = 1 / 2 m ( ( 4 v )² - ( 3 v )² )
W = 1 / 2 m ( 16 v² - 9 v² )
W = 3.5 m v²
J = m ( 4 v - 3 v )
J = m v
Therefore,
i ) W1 < W2
ii ) J1 = J2
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Martha is viewing a distant mountain with a telescope that has a 120-cm-focal-length objective lens and an eyepiece with a 2.0 cm focal length. She sees a bird that's 42 m distant and wants to observe it. To do so, she has to refocus the telescope.
Part A
By how far must she move the eyepiece in order to focus on the bird?
Answers
To determine how far Martha must move the eyepiece in order to focus on the bird, we can use the lens formula.
To focus on the bird, Martha needs to adjust the eyepiece by a distance that brings the final image distance (v) to 50 m. The exact calculation for the movement of the eyepiece will depend on the specific values of u and the corresponding value of v.To determine the distance by which Martha must move the eyepiece in order to focus on the bird, we need to calculate the change in the position of the eyepiece.The change in the position of the eyepiece can be found by subtracting the initial position of the eyepiece from the final position.
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A dish is given to you, which contains a blackish-yellow powder. When you move a magnet over it, you are amazed to see black particles, (which you find out are iron) fly upwards and get stuck to the magnet, and all that's left in the dish is a yellow powder, which you discover to be sulfur. Was your original powder an element, compound or mixture?
Answers
Answer:
In the case of the blackish-yellow powder, the black color is due to the presence of a iron and yellow color is due to sulfur. As the iron has retained its original properties it has got attached to the magnet. Thus the blackish-yellow powder is considered a mixture.
Explanation:
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Which main heavenly bodies make up the solar system?
Answers
Answer:
I didn't write this I used caktus AI
Explanation:
The main heavenly bodies that make up the solar system are:
1. Sun - the star at the center of the solar system, around which all the planets orbit.
2. Planets - there are eight planets in the solar system in order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
3. Dwarf planets - smaller celestial bodies, similar to planets but not large enough to have cleared their orbital region of other debris. The solar system has five recognized dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris.
4. Moons - natural satellites that orbit planets and dwarf planets.
5. Asteroids - small, rocky bodies that orbit the Sun in the asteroid belt between Mars and Jupiter.
6. Comets - icy bodies that originate from the outer solar system and travel in long elliptical orbits around the Sun.
7. Kuiper Belt Objects (KBOs) - similar to asteroids, these small bodies are found beyond the orbit of Neptune in the Kuiper Belt.
8. Oort Cloud Objects - these are believed to be icy bodies located far beyond the Kuiper Belt in the outer reaches of the solar system.
A 0.14-MIN baseball is dropped from rest. It has a momentum of 0.90 kg⋅m/skg⋅m/s just before it lands on the ground.
For what amount of time was the ball in the air?
Answers
The time spent in the air by the ball at the given momentum is 6.43 s.
The given parameters;
momentum of the ball, P = 0.9 kgm/sweight of the ball, W = 0.14 NThe impulse experienced by the ball is calculated as follows;
\(Ft = \Delta P\)
where;
\(Ft\) is impulse
\(\Delta P\) is change in momentum
The time of motion of the ball is calculated as follows;
\(t = \frac{\Delta P}{F} \\\\t = \frac{0.9 - 0}{0.14} \\\\t = 6.43 \ s\)
Thus, the time spent in the air by the ball at the given momentum is 6.43 s.
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What statement describes a way electromagnetic waves are different from mechanical waves
Answers
Answer:
electromagnetic waves can travel through a vacuum where as mechanical waves have to have a medium to travel
Explanation:
How will this change in income affect consumer spending in the economy?
A Increase spending
B Decrease spending
Answers
B. Decreased spending.
Consider the following objects: blackhole, neutron star, white dwarf.
Rank the objects in order of increasing mass
Rank the objects in order of increasing size
Rank the objects in order of decreasing density
Rank the objects in order of increasing rotation rate
Answers
In terms of increasing rotation rate, the objects can be ranked as follows:
white dwarf > black hole (unclear) > neutron star.
The three objects listed, black holes, neutron stars, and white dwarfs, are all astronomical objects that have different properties and characteristics. When it comes to their rotation rates, each of these objects rotates at different speeds, which can be used to rank them in terms of increasing rotation rate.
A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape. Due to its immense gravitational pull, a black hole can rotate very quickly. However, since it is difficult to observe the rotation rate of a black hole, it is not clear where it should be ranked in terms of increasing rotation rate.
A neutron star is a small and dense object that is formed when a massive star explodes in a supernova. Due to its small size and high density, a neutron star can rotate very quickly, up to hundreds of times per second. This makes neutron stars one of the fastest rotating objects in the universe.
A white dwarf is a small and dense object that is formed when a star like our sun runs out of fuel and collapses. White dwarfs are relatively slow rotating objects, with rotation rates typically on the order of days or weeks.
Therefore, in terms of increasing rotation rate, the objects can be ranked as follows: white dwarf > black hole (unclear) > neutron star.
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Please help only have a short amount of time left!
Which of the meters illustrated will display the greatest amount of current?
Answers
Answer:
I think all will display the same value
Explanation:
Sorry if this is wrong
Answer:
I think it's option a. this is because,it has longer conductivity.
this might be wrong. I am just in jss2 but I read physics
Potential energy = 0 J Kinetic energy =
Answers
Answer:drfdcfrfvgtgy6hbhhbhyg vcfrfr5tgvcfrtg vcdftghegthetrgbdgtthethe3thet
Explanation:
Sdwerftyrujtnyhbvcrdefgswthyujdehrtgfyhrjfuygtdhjueyrtgehwu3y4tgrehjwheyrgdhbnsjhfgvbdnhgfdhjsdehbrvbdensdvfgreyhsdgrftyhedggrfdhsgfv
How has the electric toothbrush evolved or changed over time?
Please answer only 3rd question
Answers
The electric toothbrush has evolved significantly over time. Initially, they were bulky and expensive, with a limited battery life. However, today's electric toothbrushes are compact, affordable, and offer a wide range of features such as Bluetooth connectivity, pressure sensors, and different brushing modes.
One of the major changes is the type of motor used in electric toothbrushes. Earlier models used simple, vibrating motors, while modern ones use more advanced sonic technology. This technology produces faster, more efficient movements and provides a more thorough clean. Battery life has also improved significantly. Some models now last up to three weeks on a single charge, making them more convenient for travel. Another significant change is the introduction of smart features. Many electric toothbrushes now come equipped with sensors that can monitor your brushing habits and provide feedback. This feedback can help users improve their brushing techniques, leading to better oral hygiene.
Overall, the electric toothbrush has come a long way, and its evolution continues. With ongoing advances in technology, we can expect to see even more improvements in the future.
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A seismograph records S and P waves from an earthquake. The first P waves arrive 3.0 min (180 s) before the first S waves. Typically, the speed of S waves is about 3.0 km/s and that of P waves is 5.0 km/s. The P waves took 4.5 minutes (270 seconds) to reach the recording station. Calculate the distance from the recording station to the epicenter of the earthquake.
Answers
Distance from the recording station to the epicenter of the earthquake is 1710 km.
What is seismograph?Seismograph is used to find the intensity of shock wave produce by the surface of the Earth.
Time interval between the first P waves and the first S waves: t(S) - t(P) = 180 s
As , distance(S) = speed(S) x time(S) = 3.0 km/s x 180 s = 540 km
time(total) = t(P) + time taken for P waves to reach the recording station = 180 s + 270 s = 450 s
distance(P) = speed(P) x time(total) = 5.0 km/s x 450 s = 2250 km
distance(record station to epicenter) = distance(P) - distance(S) = 2250 km - 540 km = 1710 km
Therefore, distance from the recording station to the epicenter of the earthquake is 1710 km.
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Match the following vocabulary terms with their correct definition.
Respiratory System 1. Made up of your heart.
Cardiorespiratory Endurance 2. Used to describe good cardiorespiratory function.
Maximal Oxygen Uptake 3. Bad Cholesterol
LDL 4. The ability to exercise your entire body for a long period of time without stopping.
Cardiovascular System 5. Carries blood filled with waste products from the muscle cells back to the heart.
Cholesterol 6. Made up of your lungs.
Artery 7. Carries blood from your heart to another part of your body
Vein 8. Good Cholesterol
Aerobic Capacity 9. The best assessment to measure the fitness of the cardiovascular and respiratory systems.
HDL 10. A waxy, fat like substance found in meat, dairy, and egg yolks.
Answers
The correct matching of the terms is as follows:
Cardiovascular SystemMaximal Oxygen Uptake LDLCardiorespiratory EnduranceVein Respiratory SystemArteryHDLAerobic CapacityCholesterolWhat is the correct matching of the given terms?The correct matching to the given terms depends on the definition of the terms.
The correct matching of the terms is as follows:
Cardiovascular System - Made up of your heart.Maximal Oxygen Uptake - Used to describe good cardiorespiratory function.LDL - Bad CholesterolCardiorespiratory Endurance - The ability to exercise your entire body for a long period of time without stopping.Vein - Carries blood filled with waste products from the muscle cells back to the heart.Respiratory System - Made up of your lungs.Artery - Carries blood from your heart to another part of your bodyHDL - Good CholesterolAerobic Capacity - The best assessment to measure the fitness of the cardiovascular and respiratory systems.Cholesterol - A waxy, fat like substance found in meat, dairy, and egg yolks.In conclusion, respiratory function is measured by means of aerobic capacity.
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batman recharges his bat taser with 2500 joules of energy in 15 minutes. how much power does it draw from the mains
Answers
P(W) = E(J) / t(s)
2.78 Watts