Answer:
B. Thermal energy
E. Sound energy
Explanation:
Thermal and sound energy is kinetic energy.
Kinetic energy is the energy that results as a function of the motion of a body or the particles of the medium.
Sound energy is transmitted by the vibration of the particles in the air. The vibration leads to movement of the particles and hence, kinetic energy is produced.
Thermal energy originates as a result of the temperature differences in a body. This temperature difference leads to the increase in the kinetic energy of some particles which also causes vibration and motion of the particles.
The two options which are forms of kinetic energy include:
Thermal energySound energyWhat is Kinetic energy?Kinetic energy is the form of energy possessed by a body by virtue of its
motion.
Thermal energy possesses kinetic energy as a result of the high
temperature bringing about an increase in the collision of the particles.
Sound energy also possesses kinetic energy as a result of the vibrations
through the movement of energy in a medium.
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what is the maximum allowable length for float glass jalousies
The maximum allowable length for float glass jalousies is 150 cm.
What is Float Glass?
Float glass refers to a type of glass that is made by floating molten glass on a bed of molten metal. Float glass is a popular type of glass because it is both strong and durable.
Float glass is often used in windows, mirrors, and other applications where high-quality glass is required.
What is a Jalousie?
A jalousie is a type of window that consists of a series of parallel glass panes that are set in a frame. Jalousies are typically designed to allow air to flow through them, which makes them ideal for use in hot climates where ventilation is important.
What is the maximum allowable length for float glass jalousies?
The maximum allowable length for float glass jalousies is 150 cm. This means that any jalousies that are made from float glass cannot exceed this length. This limit is in place to ensure that the glass is strong enough to support itself and to prevent it from breaking under its own weight.
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Which of the following conditions must be met to have electric current flow through
a circuit?
The circuit must be a closed loop.
The circuit must have a source of electric charges (energy).
A potential difference through the circuit must exist.
All of the above conditions are necessary for electric current flow.
Answer:
all of the above conditions are necessary for electric current to flow
Explanation:
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How harmful are the emissions from cosmetics, hygiene, and cleaning products? Claim
Evidence 1
Evidence 2
Evidence 3
Reasoning
The claim can be Cosmetics, hygiene, and cleaning product emissions may be dangerous.
Evidence 1: Effect of Air Quality
Volatile organic compounds (VOCs), including formaldehyde, benzene, and toluene, can be found in a variety of cosmetic, hygiene, and cleaning goods. These VOCs have the potential to evaportate and cause indoor air pollution.
Environmental impact is evidence number two
Cosmetics, hygiene, and cleaning goods can have a detrimental environmental impact during manufacturing, usage, and disposal. Microplastics and certain chemicals are among the substances present in these items that may find their way into rivers and endanger aquatic life.
Evidence 3: Worker health effects
Occupational health risks can be present for workers who manufacture and produce hygiene, cleaning, and cosmetic items.
Reasoning: It is clear from the research that emissions from cosmetic, hygiene, and cleaning goods have the potential to be harmful.
Thus, this way, harmful are the emissions from cosmetics, hygiene, and cleaning products.
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One acre is equal to 43560ft².How much is it in m²?
1 ft²= 0.09290304m²
so:
43560ft²= 0.09290304m²×43560
= 4,046.8564224 m²
Answer: 4046.9m² (approx.)
Explanation:
An acre is 43560 ft², but the US has two feet, the International foot, and the (old) Survey foot. Since 1983, the answer varies by state according to which foot the State has adopted for surveying. (Previously, it was always the Survey foot).
International: 43560 ft² x (0.3048 m/ft)² = 4046.856 422 m²
Survey: 43560 ft² x (1200/3937 m)² = 4046.872 610 m²
Both round to 4046.9 m² if that’s good enough, but there is a tiny difference.
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what is the KE if a 10kg mass traveling at 5 m/s
Answer: KE = 25 J
Explanation: You must use the formula
KE = 1/2 m v²
to solve this problem.
KE = 1/2 (10 Kg) (5 m/s)
KE = 1/2 (50 kgm/s)
KE = 25 J
How is paddling a canoe doing work? How does the shape of the canoe make paddling easier?
canoeing is a popular paddle sport with a long history bottom can go faster and is easier to paddle because its shape reduces friction.
What shape is a canoe?Flat. The most common shape found in basic, recreational canoes. Canoes with a flat hull shape have great primary stability (they're difficult to tip when upright and on calm water), but when they're put on edge, that stability decreases.
What Newton's law is paddling a canoe?Newton's Second Law of Motion explains one set of factors that affect how fast your boat will move through the water. The lighter your boat and the stronger your paddler, the faster your boat will go. opposite reaction. In your boat, your paddler will push his/her paddle into the water.
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canoeing is a popular paddle sport with a long history bottom can go faster and is easier to paddle because its shape reduces friction.
What shape is a canoe?Flat. The most common shape found in basic, recreational canoes. Canoes with a flat hull shape have great primary stability (they're difficult to tip when upright and on calm water), but when they're put on edge, that stability decreases.
What Newton's law is paddling a canoe?Newton's Second Law of Motion explains one set of factors that affect how fast your boat will move through the water. The lighter your boat and the stronger your paddler, the faster your boat will go. opposite reaction. In your boat, your paddler will push his/her paddle into the water.
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What is cooked starch pasta
Answer:
resistant starch
Explanation:
if i weigh 100 ibs on earth how much do i weight on uranus
Gravity on Uranus is 86% of Earths.
100 pounds x 86% = 86 pounds
You would weigh 86 pounds.
Hello all, can you please answer this? I am struggling with this. I need this by tommorow. Question is below:
Light waves of frequency 6 x 10^14 Hz have a wavlength of 3.75 x 10^-7 m in water. What is their speed in water?
\(c_{water} = 2.25\times 10^{8}m/s\)
Explanation:
The speed of light in any medium is given by
\(c = \lambda \nu\)
where \(\lambda\) is the wavelength and \(\nu\) is the frequency. In water,
\(c_{water} = \lambda_{water} \nu\)
\(\:\:\:\:\:\:\:\:= (3.75\times 10^{-7}\:m)(6\times 10^{14})\:Hz\)
\(\:\:\:\:\:\:\:\:= 2.25\times 10^{8}\:m/s\)
How are mass and acceleration related (if you change one of them, what happens to the other one)?
Question 13 (1 point)
(02.08 LC)
To follow appropriate safety procedures, what should nighttime runners wear? (1 point)
Оа
Knee pads
Ob
Reflective clothing
Sunglasses
Od
Tank tops
Answer:
Reflective clothing. So vehicles can see them and stuff.
BROADCASTING Interference occurs when two waves pass through the same space at the same time. It is destructive if the amplitude of the sum of the waves is less than the amplitudes of the individual waves. Determine whether the interference is destructive when signals modeled by y=20sin (3t+45∘) and y=20sin(3t+225∘) are combined.
The interference is not destructive, the interference is constructive.
Interference can be constructive or destructive. When two waves pass through the same space at the same time, it is known as interference. If the amplitude of the sum of the waves is less than the amplitudes of the individual waves, then interference is destructive.
Hence, we have to determine whether the interference is destructive when signals modeled by y=20sin (3t+45∘) and y=20sin(3t+225∘) are combined.
In this case, the amplitude of both signals is the same. Hence, we can ignore the amplitude term and consider only the angle component.
The two signals can be rewritten in terms of the angle component as follows:
y1=3t+45°y2=3t+225°
To find the resultant of the two signals, we add the two signals:
yR=y1+y2=y1=3t+45°+y2=3t+225°=6t+270°
We know that the sine function repeats itself every 360 degrees. Hence, we can rewrite the above equation as:
yR=6t+270°=6t+360°−90°=6t−90°
From the above equation, the resultant signal can be written as: yR=20sin(6t−90°)To determine whether the interference is destructive or not, we check if the amplitude of the resultant wave is less than the individual waves.
Since the amplitude of each signal is 20, the amplitude of the resultant wave is also 20. Hence, the interference is constructive. This is because the two signals are exactly out of phase, and they interfere to create a stronger signal. Therefore, the interference is not destructive.
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Una banda transportadora se utiliza para cargar canastos en un avión de carga, si µs = 0.5. ¿Cuál es el ángulo máximo de elevación para evitar el deslizamiento? Respuesta: 26.6
a man weights 671 n of earth. what would he weight on jupiter where the free-fall acceleration is 25.9 m/s2? the acceleration of gravity is 9.8 m/s2.
The weight of the man on Jupiter would be approximately 68.5 N.
The problem states that a man weighs 671 N on Earth, and it is to be determined what his weight would be on Jupiter, where the free-fall acceleration is 25.9 m/s². Weight on Earth (W₁) = 671 N, Free-fall acceleration on Jupiter (g₂) = 25.9 m/s², Acceleration due to gravity on Earth (g₁) = 9.8 m/s²
We know that weight is given by,
W = m × g
where W is weight, m is mass and g is acceleration due to gravity. The mass of the man remains constant, and therefore, we can equate the weight on Earth and Jupiter. Therefore,
W₁ = W₂ ⇒ m × g₁ = m × g₂
The mass m cancels out from the equation, and we get,
g₂ = (W₁ / g₁) = (671 / 9.8) = 68.4694 N ≈ 68.5 N
Therefore, the weight of the man on Jupiter would be approximately 68.5 N.
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Explain how you would deal with these social changes you have I identified to counter any negative impact on your success as a student
Explanation:
It is necessary that the student is always focused on his / her greatest goal in his / her academic life. There are many students who aspire to enter a certain college, or to pursue a particular professional career. So my advice for facing social changes that can have a negative impact on your success as a student is to plan your future goals and ambitions, always be up to date with the demands of society, seek help if necessary and always dedicate yourself to the maximum in your studies.
To deal with the social changes that may result in negative impact, the student must be advised, encouraged and also seek psychological help if necessary.
What are social changes?Social change involves alteration or deviations of the social order of a student.
The negative impact of social changesPoor academic performanceDepressionAggressivenessPoor concentrationTo deal with the social changes that may result in negative impact, the student must be advised, encouraged and also seek psychological help if necessary.
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Vanessa jogged 8 miles in 2 hours. What was her average speed?
Answer:
4 mph
Explanation:
This is because, if you divide the miles jogged by the hours you get 4.
Answer:
4 mph
Explanation:
Use the formula for average speed: \(Speed = \frac{Distance}{Time}\)
The distance that Vanessa traveled is 8 miles and the time she traveled was 2 hours. Therefore, put those numbers in their corresponding spots in the formula and solve for Speed by dividing 8 and 2: \(Speed = \frac{8}{2}\)
What is the mathematical relationship between wavelength and velocity?
Answer:A wave has a wavelength λ, which is the distance between adjacent identical parts of the wave. The wave velocity and the wavelength are related to the wave's frequency and period by vw=λT or vw=fλ.
Explanation:
A 19-cm-long nichrome wire is connected across the terminals of a 1. 5 V battery. What is the electric field inside the wire
The electric field inside the wire is approximately 7.89 V/m. To calculate the electric field inside the wire, we can use Ohm's Law, which states that the electric field (E) is equal to the voltage (V) divided by the length (L) of the wire:
E = V / L
Given that the voltage is 1.5 V and the length is 19 cm (0.19 m), we can calculate the electric field:
E = 1.5 V / 0.19 m
E ≈ 7.89 V/m
Therefore, the electric field inside the wire is approximately 7.89 V/m.
To calculate the current density (J) inside the wire, we can use the formula J = I / A, where I is the current and A is the cross-sectional area of the wire.
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Full Question
A 19-Cm-Long Nichrome Wire Is Connected Across The Terminals Of A 1.5 V Battery. What Is The Electric Field Inside The Wire? What Is The Current Density Inside The Wire? If The Current In The Wire Is 2.2 A, What Is The Wire's Diameter?
Question 7 of 10
Which three statements describe electromagnetic waves?
A. They can transfer energy through a vacuum.
I B. They vibrate parallel to the direction in which the wave travels.
O C. They vibrate in two directions that are perpendicular to each
other.
D. They radiate outward in all directions.
Answer:
A. They can transfer energy through a vacuum
C. They vibrate in two directions that are perpendicular to each other
D. They radiate outward in all directions
Explanation:
A statement (A), a statement (C), and a statement (D) are correct because electromagnetic waves can only transfer energy through the vacuum.
What is an electromagnetic wave?The waves that are related to both electricity and magnetism are known as electromagnetic (EM) waves. These waves are made up of time-varying electric and magnetic fields that travel over space.
The correct statements are:
They can transfer energy through a vacuum.They vibrate in two directions that are perpendicular to each other.They radiate outward in all directions.Thus, a statement (A), a statement (C), and a statement (D) are correct because electromagnetic waves can only transfer energy through the vacuum.
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Scientists are studying a pond. Which property can the scientists measure to understand the amount of energy held by the lake water?
A. the depth of the lake
B. the color of the water
C. the volume of the lake
D. the temperature of the water
Ten seconds after starting from rest a car is moving at 40 m/s. What is the car's acceleration.
Ten seconds after starting from rest, a car is moving at 40 m/s, then the car's acceleration in meters per second per second² would be 4 meters/second².
Describe acceleration.
The acceleration of the object is the frequency with which the object's velocity changes in relation to time. In general, meters/seconds2 are used to measure acceleration.
as stated in the issue A car is driving at 40 m/s ten seconds after leaving rest; therefore, we must determine the car's acceleration in meters per second².
Due to the fact that the automobile begins at rest, its initial velocity is zero.
the final velocity of the car = 40 m/s
By using the first equation of the motion,
v = u+at
40 = 0 + 10a
10a = 40
a = 40/10
a = 4 meters/second²
Thus, the car's acceleration in meters per second per second² would be 4 meters/second².
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At what point will the vertical component of the balls velocity be the smallest?
A. point x
B. point y
C. point z
D. not enough information
Answer:
I believe your answer would be B. point y
Assuming your skin temperature is 37. 2 C and the temperature of your surroundings is 23. 4C , determine the length of time required for you to radiate away the energy gained by eating a 335- C ice cream cone. Let the emissivity of your skin be 0. 915 and its area be 1. 27 m^2
T=___h
It would take approximately 4.4 hours for the person to radiate away the energy gained by eating the ice cream cone.
To calculate the time required for a person to radiate away the energy gained by eating an ice cream cone, we need to use the Stefan-Boltzmann law, which states that the rate of heat transfer from an object is proportional to the fourth power of its temperature and its surface area.
The formula is given as: Q/t = εσA(\(T^{4}\) - \(T0^{4}\))
where Q is the heat energy gained by eating the ice cream, t is the time taken to radiate it away, ε is the emissivity of the skin, σ is the Stefan-Boltzmann constant, A is the surface area of the skin, T is the skin temperature, and T0 is the temperature of the surroundings.
Plugging in the given values, we get: 335,000 J/t = 0.915 x 5.67 x \(10^{-8}\) x 1.27 x (\(373.2^{4}\) - \(296.4^{4}\))
Solving for t, we get t ≈ 4.4 hours.
Therefore, it would take approximately 4.4 hours for the person to radiate away the energy gained by eating the ice cream cone.
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Calculate the energy absorbed when 13 kg of liquid water raises from 18°C to 100°C and then boils at 100°C.
Answer:
the energy absorbed is 4.477 x 10⁶ J
Explanation:
mass of the liquid, m = 13 kg
initial temperature of the liquid, t₁ = 18 ⁰C
final temperature of the liquid, t₂ = 100 ⁰C
specific heat capacity of water, c = 4,200 J/kg⁰C
The energy absorbed is calculated as;
H = mcΔt
H = mc(t₂ - t₁)
H = 13 x 4,200(100 - 18)
H = 4.477 x 10⁶ J
Therefore, the energy absorbed is 4.477 x 10⁶ J
your car is accelerating to the right from a stop.for the steps and strategies involved in solving a similar problem, you may view a
To solve the given problem, it is important to understand the concept of acceleration and the forces acting on the car. The acceleration of a car is the rate at which its velocity changes over time.
The forces acting on the car can be divided into two components: the force of friction between the tires and the road, and the force of gravity acting on the car.
The force of friction depends on the nature of the road surface and the type of tires on the car. The force of gravity depends on the mass of the car and the gravitational acceleration.
It is given that the car is accelerating to the right from a stop. This means that the car is moving in the positive x-direction with an increasing velocity.Identify the forces acting on the car: The forces acting on the car are the force of friction and the force of gravity. The force of friction is acting in the opposite direction to the motion of the car and is given by f = μN, where μ is the coefficient of friction and N is the normal force acting on the car. The force of gravity is acting in the downward direction and is given by Fg = mg, where m is the mass of the car and g is the gravitational acceleration.Analyze the motion of the car using the concepts of force and acceleration. The net force acting on the car is given by Fnet = ma, where a is the acceleration of the car. From Newton's second law, we can write Fnet = f - Fg = ma. Solving for a, we get a = (f - Fg)/m.Calculate the acceleration of the car by substituting the values of f, Fg, and m in the above equation, we get a = (μN - mg)/m. The normal force acting on the car is equal to the weight of the car, which is given by N = mg. Substituting this value in the above equation, we get a = (μ - g)/m. This is the expression for the acceleration of the car.Therefore, a = (μ - g)/m is the expression for the acceleration of the car.
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A chemist is studying an unknown substance and could break the substance into its elemental components only by using chemical means. Based on this observation, how should the unknown substance be classified?
A. impure substance
B. solution
C. mixture
D. pure substance
The answer is D
I took the quiz lol
Sorry to bother y’all again but can someone pls help me
Answer:
definitely top answer
Explanation:
because it make sense
Form hypothesis: How do you think increasing the resistance in a circuit will affect the current in the wire? (format: if, then, because)
Answer:it would make it thicker
Explanation:
Answer:
"The equation shows that the current in a circuit is inversely proportional to the resistance of the circuit. An increase in resistance would result in a decrease in current. And the factor by which the resistance increases is the same factor by which the current decreases."
Explanation:
Because it's just like wearing a glove/mitten when getting something out of the oven, because of the insulation from the glove/mitten, it reduces the heat that gets through into your hand, and it protects it. Just like what the "answer" says, it said that the resistance would decrease current.
Where is the water table located?
Answer:
The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with water. It can also be simply explained as, the upper level, below which the ground is saturated.
A bus approaches red traffic light, and slows down from a speed of 15
m/s to rest in 3 seconds. What is the average acceleration (in m/s)?
Answer:
-5
Explanation:
-15/3