examine eq. (6.44) in the text. this equation is an explicit relation for vmax in terms of the thrust-to-weight ratio for the airplane, and hence allows a quick analytical calculation of vmax for jet-propelled airplanes. derive an analogous relation for vmax for a propeller-driven airplane in terms of the power-to-weight ratio (power loading). note: you will find a relation that relates power loading and vmax, but you will also discover that it is not possible to solve this equation explicitly for vmax. even so, this relation still allows a quicker solution for vmax for propeller-driven airplanes in comparison to the numerical solution discussed in sec. 6.6.
Answers
This inequality allows for an analytical solution for vmax in terms of the power loading, which is much quicker than the numerical solution discussed in sec. 6.6.
What is power?
The quantity of energy transferred as well as converted per unit of time is known as power in physics. The watt, which is equal to one joule per second in the International System of Units, is the unit of power. Power is sometimes referred to as activity in older works. A scalar quantity is power. Power is correlated with other factors. For instance, the power required to move a ground vehicle is a function of the vehicle's velocity, traction force on its wheels, and aerodynamic drag. A motor's output power is calculated by multiplying its torque output by the angular velocity of the its output shaft. The power lost by an electrical component in a circuit is also a function of the voltage across the component and the current flowing through it.
The power loading P/W for a propeller-driven airplane can be related to vmax through the following equation:
P/W = k2T/ρA0(vmax)^3
where k2 is a constant that depends on the airplane design and T is the thrust of the propeller, ρ is the air density, and A0 is the disk area of the propeller.
This equation cannot be solved explicitly for vmax, but it can be used to derive a quicker solution in comparison to the numerical solution discussed in sec. 6.6. To do this, the equation can be rearranged to form the following inequality:
vmax >= (k2T/ρA0)^(1/3)
This inequality allows for an analytical solution for vmax in terms of the power loading, which is much quicker than the numerical solution discussed in sec. 6.6.
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Related Questions
1. How much heat energy ( Q ) is required to heat 2.0 kg of copper from 30.0 oC to 80.0 oC?
Answers
Answer:
38500
Explanation:
I looked it up so it may be wrong
A child is sitting in a sled at the top of a snowy hill. Which statement is true regarding the position of the child?
a. The child has no potential energy.
b. The energy is changing from potential to kinetic.
c. The child has only potential energy.
d. The position of the child does not matter.
Answers
Answer:
C
Explanation:
the man at a wishes to throw two darts at the target at b so that they arrive at the same time.
Answers
"If the darts are thrown at the same speed then (B) Projectile that travels along trajectory B was projected earlier and (C) Second dart must be projected at angle, such that 0 + 0,8 = 90° is correct."
Initial speed of dart A = u'
Angle of dart A = θ'
Initial speed of dart B = u''
Angle of dart B = θ''
Both darts start out at the same speed,
Thus, u' = u'' = u
The darts are launched one at a time from the same location A, but not simultaneously. However, they cover the same horizontal distance and arrive at B simultaneously.
Since both darts' horizontal ranges are equal,
= [ u²sin(2θ') / g ] = [ u²sin(2θ'') / g ]
= sin(2θ') = sin(2θ'')
Although θ' is not equal to θ", we can infer that θ" >θ' from the figure.
Since both are acute angles,
= sinθ'' > sinθ'
Multiplying both sides by 2u/g, we get,
= [ 2u X sinθ'' / g ] > [ 2u X sinθ' / g ]
so that the two darts' respective trajectories are as follows:
= T'' > T'.
Thus, statement B and C are correct options.
The given question is incomplete. The complete question is '(A) Projectile that travels along trajectory A was projected earlier (B) Projectile that travels along trajectory B was projected earlier. (C) Second dart must be projected at angle e, such that 0 + 0,8 = 90° (D) Second dart must be projected at angle , >, STA.'
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When wax is heated, it turns into a liquid. How are the wax molecules affected by this change of state?
The molecules gain energy
The molecules lose energy
The molecules move closer to one another
The space between the molecules increase
The space between the molecules decrease
Answers
Answer:
the CORRECT answer is the "molecules gain energy" because with heating comes energy transferring into the wax molecules. and "the space between the molecules increases" because the molicules will want to space apart because of the heat
Explanation:
Answer: the molecules gain energy, The space between the molecule increases
Explanation:
i got the sauce (plato)
Raising the temperature of a gas will increase its pressure to
volume of the gas would do what
Answers
Answer: Boyle found that when the pressure of a gas at a constant temperature is increased, the volume of the gas decreases. When the pressure of a gas is decreased, the volume increases. This relationship between pressure and volume it's called Boyle's law.
Explanation: In the 1600s, Boyle measured the volumes of gases at different pressures. Boyle found that when the pressure of a gas at a constant temperature is increased, the volume of the gas decreases. When the pressure of a gas is decreased, the volume increases. This relationship between pressure and volume it's called Boyle's law.
At what location in this diagram do the magnetic field lines show that the magnetic field is strongest ?
Answers
The location in this diagram do the magnetic field lines show that the magnetic field is strongest is in C and wekeness in D.
What are magnetic field lines?The lines representing the magnetic field are closed, that is, they have no beginning or end. This can be observed when we place iron filings on a sheet of paper, over a bar magnet: the pattern of lines formed continues on the part of the paper that is on the magnet, closing.
In the region of the poles we see that the lines of magnetic induction are closer to each other, therefore, we consider that close to the poles the magnetic field is more intense. In this case it is stronger in C and weaker in D.
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Answer:
The strongest is C
Explanation:
Just took the test and got it right, I don't need to over-explain it
If an object is accelerating, which of the following MUST be true?
A. The object is a projectile.
B. The force is acting on the object.
C. The object is exerting a force on something.
D. The object is falling due to gravity.
Answers
Acceleration can be defined as the rate of change in the velocity of a given object over time. An object is accelerating when it changes its velocity.
If an object is accelerating, then a force is acting on the object (Option B).The acceleration depends on the net force acting upon the object.Moreover, the net force is the sum total of all forces applied to an object.The acceleration is often measured in meters (m) per second squared (m/s²).Learn more in:
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the thumb is what to the phalanges?
Answers
Answer:
A thumb only has one joint and two phalanges. The thumb is referred to as “the big finger".
Brainlist pls!
which has the greatest inertia
A. Jumbo Jet
B. Bird
C. Car
Answers
Answer:C car
Explanation:
find w such that the maximum tensile bending stress is 3 ksi
Answers
To find the value of w that will result in a maximum tensile bending stress of 3 ksi, we first need to determine the moment of inertia of the cross-sectional shape of the material in question. Once we have this value, we can use the following formula to calculate the maximum tensile bending stress:
σ = M*c/I
Where σ is the maximum tensile bending stress, M is the bending moment, c is the distance from the neutral axis to the outermost fiber, and I is the moment of inertia.
Assuming that the bending moment is known, we can rearrange the formula to solve for the required value of w:
w = (M*c)/(I*σ)
This will give us the required width of the material to ensure that the maximum tensile bending stress does not exceed 3 ksi. Please note that this is a long answer that requires additional information about the material and the conditions under which it will be used.
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Colloid osmotic pressure (COP) is an osmotic pressure gradient equal to a. interstitial OP – capillary OP b. interstitial OP + capillary OP c. capillary OP – interstitial OP d. hydrostatic pressure + net filtration pressure
Answers
Colloid osmotic pressure (COP) is an osmotic pressure gradient equal to c. capillary OP – interstitial OP.
Colloid osmotic pressure, also known as oncotic pressure, is the osmotic pressure exerted by proteins and other colloidal particles present in the blood plasma. It plays a vital role in maintaining the balance of fluids between the capillaries and the surrounding interstitial fluid.
The capillary osmotic pressure refers to the osmotic pressure exerted by the proteins and colloids within the capillaries, which tends to draw fluid back into the capillaries. On the other hand, the interstitial osmotic pressure represents the osmotic pressure in the interstitial fluid, which is typically lower than the capillary osmotic pressure.
The colloid osmotic pressure gradient is the difference between these two pressures: capillary osmotic pressure minus interstitial osmotic pressure. This gradient helps to counterbalance the hydrostatic pressure and maintain fluid balance by preventing excessive filtration of fluid from the capillaries into the interstitial space.
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A car, starting from rest, accelerates at
4.0 m/sec2. What is its velocity at the end of
8.0 seconds?
Answers
Hope it helps.
Don't forget to click the "Brainliest" button if you like my answer.
If a car, starting from rest, accelerates at 4.0 m / sec², then its velocity at the end of 8.0 seconds would be 32.0 meters per second.
What is acceleration?The rate of change of the velocity with respect to time is known as the acceleration of the object.
As given in the problem if a car, starting from rest, accelerates at 4.0 m / sec ² , then we have to find its velocity at the end of 8.0 seconds,
By using the first equation of the motion to calculate the velocity of the car after 8.0 seconds.
v = u + a × t
= 0 + 4.0 × 8.0
= 0 + 32.0
= 32.0 m / s
Thus, If a car, starting from rest, accelerates at 4.0 m / sec², then its velocity at the end of 8.0 seconds would be 32.0 meters per second.
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it is necessary to have the spacecraft escape from the earth completely. if the spacecraft's rockets are fired at perigee, by how much would the speed have to be increased to achieve this?
Answers
The spaceship would have to accelerate by 3250 m/s to make a break for it at apogee. This is a faster increase than at perigee, so it is more effective to flee during perigee.
Why is it essential to travel at 11 km/s (the escape velocity) in order to escape the gravity of the earth when any speed will suffice as long as you keep climbing?If you begin at a speed of less than 11 km/h at ground level and don't receive any additional "push," you will fall back to the earth. You cannot slow down once you begin moving at a speed greater than 11 km/h.
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what happens to the current in a circuit if a 1.5 volt battery is removed and is placed by a 9 volt battery?
Answers
Answer:
The current would increase.
Explanation:
The current would increase. 10. The relationship between resistance and current in a circuit is that the greater the resistance the less the current and the greater the current the less the resistance is.
if a 1.5-volt battery is removed and placed by a 9-volt battery in a circuit, From Ohm's law we can say that the current flow inside the circuit will increase because the voltage increases (resistance remains constant).
What is Ohm's law?Ohm's Law is a fundamental law of physics that describes the relationship between the three basic electrical quantities: voltage, current, and resistance in a circuit.
It states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance between them. Mathematically, Ohm's Law is expressed as:
V = I x R
Where:
V = the voltage or potential difference between two points in the circuit, measured in volts (V).
I = the current flowing through the circuit, measured in amperes (A).
R = the resistance of the conductor, measured in ohms (Ω).
In other words, the voltage (V) across a circuit component is equal to the product of the current (I) flowing through the component and its resistance (R). This law is applicable to both DC (direct current) and AC (alternating current) circuits, as long as the resistance is constant.
Ohm's Law can be used to calculate any one of the three variables if the other two are known. For example, if the voltage and resistance in a circuit are known, the current flowing through the circuit can be calculated using the formula:
I = V / R
Here in the question,
The current in a circuit is determined by the resistance of the circuit and the voltage applied to it, according to Ohm's Law. If a 9-volt battery replaces a 1.5-volt battery, the voltage applied to the circuit will increase, which may cause an increase in the current flowing through the circuit if the resistance remains the same.
However, the increase in voltage may also cause an increase in the heat generated by the circuit, which could potentially damage the components or cause a safety hazard. Therefore, it is important to ensure that the components in the circuit can handle the higher voltage before replacing the battery.
It's also important to note that the current may also depend on the internal resistance of the batteries. A 9-volt battery typically has a lower internal resistance than a 1.5-volt battery, which means it can supply more current to the circuit. So, even if the resistance of the circuit remains the same, the current may still increase due to the higher voltage and lower internal resistance of the 9-volt battery.
Hence, The current flowing through the circuit increased when we removed a 1.5-volt battery and replaced it with a 9-volt battery.
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Will most likely cause the formation of a Mountain
A. Divergent boundary
B. Convergent boundary
C. Transform boundary
Answers
Answer:
Convergent boundaries. When two plates collide and one is pushed over the other, forming a mountain.
A 7.50 kg bowling ball moving6.42 m/s strikes a 1.60 kg bowlingpin at rest. After, the pin moves14.8 m/s at a -47.0° angle. Whatis the y-component of the ball'sfinal velocity?y-component (m/s)Enter
Answers
let the bowling ball initially is moving along the x-axis,
The whole process can be represented as,
Before the collision the net kinetic energy of the balls is,
\(K_{iy}=\frac{1}{2}\times m_1\times(v_1\cos (90^o))^2+\frac{1}{2}\times m_2\times(0)^2\)where the values of the variables are given as,
\(\begin{gathered} m_1=7.5\text{ kg} \\ v_1=6.42ms^{-1} \\ m_2=1.6\text{ kg} \end{gathered}\)As the value of cos(90) is zero.
Substituting the known values,
The value of the net kinetic energy with the velocity along the y-axis before the collision is,
\(K_{iy}=0\)The velocity of the second ball is at rest in the initial state, thus its value is taken as zero.
After the collision of the balls, the net kinetic energy is,
\(\begin{gathered} K_{fy}=\frac{1}{2}\times m_1\times(v^{\prime}_1\sin (\alpha))^2+\frac{1}{2}\times m_1\times(v^{\prime}_2\sin (-47^o))^2 \\ K_{fy}=\frac{1}{2}\times m_1\times(v_{1fy})^2+\frac{1}{2}\times m_1\times(v^{\prime}_2\sin (-47^o))^2 \end{gathered}\)Negative sign here indicating the direction of the final balls motion will be opposite to the each other.
The values of the variables are given as,
\(v^{\prime}_2=14.8ms^{-1}\)Substituting the known values,
The value final kinetic enegry of the balls with velocity along the y-axis is,
\(\begin{gathered} K_{fy}=\frac{1}{2}\times7.5\times(v_{1fy})^2+\frac{1}{2}\times1.6\times(14.8\times\sin (360^o-47^o)^2 \\ K_{fy}=3.75\times(v_{1fy})^2-93.72 \end{gathered}\)Here 360 degree is used because the pin ball direction is downward of the positive x-axis.
Then by the law of conservation of energy along the y-axis,
\(\begin{gathered} K_{iy}=K_{fy} \\ 0=3.75\times(v_{1fy})^2-93.72 \\ (v_{1fy})^2=\frac{93.72}{3.75} \\ (v_{1fy})^2=25 \\ v_{1fy}=5ms^{-1} \end{gathered}\)Thus, the y component of the final velocity of the bowling ball of mass m1 is 5 meter per second.
Which of the following is NOT considered electromagnetic radiation? x-rays radio waves cosmic rays ultraviolet light
Answers
Answer:
Cosmic ray is not considered electromagnetic radiation.
Explanation:
Electromagnetic radiation refers to
It is Radiation that has both electric and magnetic fields and travels in waves.Electromagnetic radiation can vary in strength from low energy to high energy.X rays are the rays produced when a negatively charged electrode is heated by electricity and electrons are released, thereby producing energy. It is a type of radiation called EM waves.
Radio wave are wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves. It is an EM wave.
Ultraviolet wave Invisible rays that are part of the energy that comes from the sun. It is an example of EM wave.
Cosmic ray is a high-speed particle either an atomic nucleus or an electron that travels through space.
Cosmic ray is not an electromagnetic wave.
Hence
Cosmic ray is not considered electromagnetic radiation
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based on the knowledge you gained from the video and the data that you’ve seen, what do you think is creating the data that kepler gathered? explain your answer
https://youtu.be/gypAjPp6eps
Answers
The telescope created the data gathered by Kepler and his team.
What is a star?
A star is a large luminous astronomical body which produces light and heat energy as well as radiation.
There are billions of stars in the universe organized into galaxies.
The Sun is the star of our solar system.
The Kepler project produced a wide range of data products and documentation to assist the community in using data from the mission to help study both exoplanets and other astrophysical areas.
In the video, a mysterious star was observed which is 50 percent bigger and 1,000 degrees hotter than the Sun.
By mean of telescopes, it was observed that the dimming seen in the diet was dues to dust particles.
These data produced ranges from engineering data on the detectors to lists of planet candidates and includes many of the intermediate data products in the data processing path.
The Kepler first mission came to an end after four years when two of the four reaction wheels, used to point the spacecraft malfunctioned.
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Sandra is riding a bicycle at 10.0 m/seconds. She slows down to 2.0 m/seconds. Her acceleration is _______ meters/seconds^2.
Answers
The acceleration of the bicycle ridden by Sandra is 4 meters/second2. The formula to calculate the acceleration of an object is acceleration = (final velocity - initial velocity) / time taken.
Since the time taken is not given, we can't calculate the exact acceleration.
However, if we assume that it takes 5 seconds for Sandra to slow down from 10 m/s to 2 m/s, then the acceleration would be 4 m/s2.
To determine the acceleration of the bicycle ridden by Sandra, we can use the formula for acceleration.
The formula for acceleration is acceleration = (final velocity - initial velocity) / time taken.
In this case, the initial velocity of Sandra is 10.0 m/s and her final velocity is 2.0 m/s.
However, the time taken to go from 10.0 m/s to 2.0 m/s is not given.
Therefore, we cannot calculate the exact acceleration.
If we assume that it takes 5 seconds for Sandra to slow down from 10.0 m/s to 2.0 m/s, then the acceleration would be 4 m/s2.
This is because the difference in velocity is 8.0 m/s (10.0 m/s - 2.0 m/s), and the time taken is 5 seconds.
Therefore, the acceleration is 8.0 m/s / 5 s = 4 m/s2.
The acceleration of the bicycle ridden by Sandra is 4 meters/second2 assuming that it takes 5 seconds for her to slow down from 10.0 m/s to 2.0 m/s.
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A wrestler bench presses 64 kg. If the barbell accelerates upward at a rate of 2.57 m/s2, what is the force exerted by the wrestler on the weights?
Answers
A wrestler bench presses 64 kg. If the barbell accelerates upward at a rate of 2.57 m/s2, The force exerted by the wrestler on the weights will be 164.48 N
Force is equal to the rate of change of momentum. For a constant mass, force equals mass times acceleration.
given
mass = 64 kg
acceleration = 2.57 \(m/s^{2}\)
Using newton's second law
force = mass * acceleration
= 64 * 2.57 = 164.48 N
The force exerted by the wrestler on the weights will be 164.48 N
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Noe is studying wave A and wave B. Wave A is rated at 100 dB, and wave B is rated at 90 dB. Which statement can be made about the waves
Answers
Answer:
Wave a is louder than wave b!!!
Explanation:
Yes
Can anyone please explain this point with an example. I have presentation tomorrow.
Energy efficiency can either be achieved by either reducing the quantity of energy consumption to produce certain amount of products or producing increased number of products from the same quantity of energy.
Answers
Explanation:
Efficiency is a way of describing the amount of useful output a process or machine can generate as a percentage of the input required to make it go. In other words, it compares how much energy is used to do work versus how much is lost or wasted to the environment. The more efficient the machine, the less energy wasted.
For example, if a heat engine is able to turn 75 percent of the fuel it receives into motion, while 25 percent is lost as heat in the process, it would be 75 percent efficient. Out of the original 100 percent of the fuel, 75 percent was output as useful work.
the equation:
energy efficiency =useful output energy/total input energy
16) as a treatment for cataracts (a cloudiness of the lens of the eye), the natural lens is removed and a plastic lens is implanted. after this is done a person can see distant objects clearly, but he cannot accommodate to focus on nearby objects. if such a person wanted to read a book at a distance of 25 cm, he would have to wear contact lenses having a diopter power of a) 2.78 diopters. b) 3.33 diopters. c) -1.78 diopters. d) 4.00 diopters. e) -4.00 diopters.
Answers
The person would have to wear contact lenses with a diopter power of 4.00 diopters. The correct answer is d) 4.00 diopters.
To help you find the correct diopter power for the contact lenses needed to read a book at a distance of 25 cm after cataract surgery, we will use the formula:
Diopter power = 1 / focal length (in meters)
First, we need to convert the distance (25 cm) to meters:
25 cm = 0.25 m
Now, we can use the formula:
Diopter power = 1 / 0.25 m = 4
So, the d) 4.00 diopters option is correct.
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\(explain \: \\ \\ how \: rainbow \: form \: {?}\)
Answers
Based on what you learned about light, select all of the correct statements from the following list. -High frequency photons carry more energy than long wavelength photons.
-All electromagnetic waves travel at the speed of light.
-Light can act both as a wave and a particle.
-A photon is a particle of light. X-rays and gamma rays are long wavelength photons.
-Different types of electromagnetic radiation are fundamentally different types of waves.
-The only type of electromagnetic radiation that is actually considered light is visible light.
Answers
The correct statements include:
High frequency photons carry more energy than long wavelength photons.All electromagnetic waves travel at the speed of light.Light can act both as a wave and a particle.A photon is a particle of light.option A, B, C, D
What are the incorrect statements about electromagnetic waves?
The Incorrect statements include:
Different types of electromagnetic radiation are fundamentally different types of waves. (All types of electromagnetic radiation are fundamentally the same type of wave but have different frequencies and wavelengths.)
The only type of electromagnetic radiation that is actually considered light is visible light. (All types of electromagnetic radiation are considered light, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.)
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Answer: A B C D
Explanation: k12 I had this quiz
The resistivity of iron is 1 x 10 -7 Ωm. The resistance of a iron wire of particular length and thickness is 1 ohm. If the length and the diameter of wire both are doubled, then the resistivity in Ωm will be
Answers
Answer:
2×10⁻⁷ Ωm
Explanation:
From the question,
R = 4ρL/πd².................... Equation 1
Where R = Resistance of the wire, ρ = resistivity of the wire, L = length of the wire, d = diameter of the wire.
Therefore,
ρ = Rπd²/4L............. Equation 2
Given: R = 1 ohm, ρ = 1×10⁻⁷Ωm
1×10⁻⁷ = πd²/4L.................... Equation 3
If the length and the diameter are doubled, and the resistance remaining constant
ρ' = π(2d)²/4(2L)
Where ρ' = new resistivity
ρ' = 4πd²/8L
ρ' = 2πd²/4L = 2ρ
ρ' = 2(1×10⁻⁷)
ρ' = 2×10⁻⁷ Ωm
5. If a bus travels 120 miles and travels at 35 miles per hour, how long will the trip take?
Please help ASAP
Answers
Answer:
3.43 hrs
Explanation:
Assuming the bus needs to travel 120 miles in total;
It has an average velocity of 35 mi/hr and a total distance of 120 mi.
We can use the equation for displacement:
d = v_(avg) * t Notice this is the area under the curve of a velocity vs time graph.The displacement of the bus is 120 miles and its average velocity is 35 mi/hr. Substitute these values into the equation.
120 = 35 * t t = 120/35 t = 3.43 hoursThe trip will take 3.43 hours for the bus to travel a total distance of 120 miles.
Speed = Distance/Time
we have speed and distance from the question;Now,
35 = 120/t
35/120 = 1/t
120/35 = t
3.42 hours = t
7. 10 Kg of water at 90°C is cooled by mixing 20kg of water at 20°C. What
is the final temperature of the mixture?
(3850
Answers
Answer:
Please mark me as Brilliant
Explanation:
I shall solve both one by one
Case 1: 1 kg of water at 10° C
Let the final temperature be T° C , where T°C < 30°C.
Heat give out by 4.4 kg of water at 30° C to come down to T°C = 4400 g × 1 calorie/g/°C × (30- T)° C = (4400× 30 - 4400 T) calorie
Heat gained to raise temperature of 1kg of water at 10° to T° = 1000 g × 1 calorie/g/°C × (T -10)° C = 1000 T - 10,000) calorie
Heat gained = Heat lost
1000 T - 10,000 = 1,32,000 - 4400 T; ==> 54 00T = 1.42,000; T = 1,42,000/5400 = 26.3° C.
In case it is 1 kg of water at 10° C mixed with 4.4 kg of water at 30° C, the final temperature of the mixture would be T = 26.3° C.
Case 2: 1 kg of ice.
Ice is essentially at its melting point/freezing point ie at 0° C.
Let the temperature of mixture = T° C
Heat required to melt 1 kg (=1000 g of ice) at 0° C to water at 0° C = 1000 g × 80 calorie/g = 80,000 calorie
Heat require to raise temperature of 1000 g of water at 0° C to water at T° C = 1000g × 1 calorie/g/°C× (T -0)° C = 1000 T calorie
Heat gained = 80,000 + 1000 T
Heat lost by 4.4 kg of water at 30° C to cool to T° C = 4400 g × 1 calorie/g /° C × ( 30 - T)° C = 1,32,000 - 4400 T
Heat gained = Heat lost
80,000 + 1,000 T = 1,32,000 -4400 T
5400 T = 52,000/5400; ==> T = 9.63°C.
In case it is ice, the temperature of the mixture is T = 9.63° C.
Added: around 2 pm
Is visible light a form of
radiation? Explain.
Answers
Answer:
Yes,in fact visible 'light' is a form of radiation, which can be defined as an energy that travels in the form of electromagnetic waves. It can also be described as a flow of particle-like 'wave-packets', called photons, that travel constantly at the speed of light (about 300 000 kilometres per second).
Explanation:
Explain how a battery works. What are some possible materials you could use to make a battery for a circuit?
Answers
Answer:
Batteries are systems that store chemical energy and then release it as electrical energy when they are connected to a circuit. Batteries can be made from many materials, but they all share three main components: a metal anode, a metal cathode and an electrolyte between them. The electrolyte is an ionic solution that allows charge to flow through the system. When a load, such as a light bulb, is connected, an oxidation-reduction reaction occurs that releases electrons from the anode while the cathode gains electrons
Explanation: