what measurement scale is used in the following example? baking temperatures for various main dishes: 350, 400, 325, 250, 300. question 16 options: ordinal interval ratio nominal
Answers
The measurement scale used in the given example of baking temperatures for various main dishes, 350, 400, 325, 250, 300 is Interval scale.
An interval scale is a scale that can be used to measure data on a scale. It is a type of quantitative measurement scale where the order and value of the points or numbers is significant. This scale does not have a true zero point. An interval scale is used for measuring temperature, time, year, and date, as well as other measurements.The interval scale is based on the degree of difference or interval between the numbers or values on the scale. It is also referred to as the equal-interval scale, which means that the intervals between the scale values are equal, but there is no natural zero. For example, in the given example of baking temperatures for various main dishes, we can see that the intervals between the numbers are equal. This makes it an interval scale.
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Related Questions
An airplane is heading due south at a speed of 688 km/h. If a wind begins blowing from the southwest at a speed of 90.0 km/h (average), calculate (a) the velocity (magnitude and direction) of the plane relative to the ground and (b) how far from its intended position it will be after 11.0 min if the pilot takes no corrective action. [Hint: First, draw a diagram.]
(a) The velocity of the plane relative to the ground is 628km/h, and the direction is 5.81° east of south.
(b) The distance moved by the plane due to the air from its intended position is 16.5km
Answers
(a) The velocity of the plane relative to the ground can be determined by considering the vector sum of the airplane's velocity and the velocity of the wind.
Drawing a diagram, we can see that the resulting velocity forms a right triangle. Using the Pythagorean theorem, we can calculate the magnitude of the velocity as √((688 km/h)² + (90.0 km/h)²) = 628 km/h. To find the direction, we can use trigonometry. The angle can be calculated as arctan(90.0 km/h / 688 km/h) ≈ 7.34°. Since the wind is blowing from the southwest, the direction of the plane relative to the ground will be 180° - 45° - 7.34° ≈ 127.66° east of north, which is equivalent to 5.81° east of south.
(b) The distance moved from its intended position will be 114.68 km * sin(180° - 45°) ≈ 16.5 km
If the pilot takes no corrective action, the plane will be 16.5 km away from its intended position after 11.0 minutes. This can be calculated by multiplying the plane's ground speed (628 km/h) by the time of flight (11.0 minutes or 0.183 hours). The distance moved due to the air is given by (628 km/h) * (0.183 hours) = 114.68 km. However, we need to consider the direction as well. Since the wind is blowing from the southwest, which is opposite to the plane's direction, the plane will be displaced in the direction opposite to the wind.
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At latitude 50 degrees N the celestial equator crosses the meridian at altitude
- 50 degrees in the south
- 50 degrees in the north
- 40 degrees in the south
Answers
At latitude 50 degrees N, the celestial equator will cross the meridian at an altitude of 50 degrees in the north.
At latitude 50 degrees N, the celestial equator crossing the meridian refers to the moment when the celestial equator (an imaginary circle projected onto the celestial sphere) intersects the observer's meridian (a line passing through the zenith and the celestial poles). The altitude of an object in the sky is the angle between the object and the observer's horizon. In this case, we are interested in the altitude of the celestial equator at the moment of crossing the meridian.
Given the latitude of 50 degrees N, which is above the equator, the celestial equator will appear to be lower in the sky when crossing the meridian. Since the celestial equator is inclined to the celestial poles at an angle equal to the observer's latitude, which is 50 degrees in this case, the altitude of the celestial equator at the moment of crossing the meridian will be equal to the observer's latitude. Therefore, at latitude 50 degrees N, the celestial equator will cross the meridian at an altitude of 50 degrees in the north.
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find the volume of the given solid. bounded by the coordinate planes and the plane 8x + 5y + z = 40
Answers
What is work and give an example? (science newton's law)
Answers
Answer:
Work is ability if application of energy.
Such as pushing a wheel barrow through a distance ( Newton's third law )
Work is the ability to do something.
Which of the following statements are true (mark all that apply) primordial nucleosynthesis produced all of the elements heavier than helium chemical composition of our solar system matches the chemical composition of the Milky Way some of the stars in the Milky Way may be older than the Milky Way your body contains a lot of helium nearly all atoms of elements heavier then helium were produced through nuclear fusion in stellar interiors and through reactions that occur during explosions that massive stars undergo at the ends of their lives or during mergers of stellar remnants called neutron stars some of the oldest galaxies are about 13.2 billion years old nucleosynthesis is a process through which the atoms of various elements are produced you're mainly made of hydrogen
Answers
Answer:
The correct options are;
1) The chemical composition of our solar system matches the chemical composition of the Milky Way
2) Nearly all atoms of elements heavier than helium were produced through nuclear fusion in stellar interiors and through reactions that occur during explosions that massive stars undergo at the ends of their lives or during mergers of stellar remnants called neutron stars
3) Some of the oldest galaxies are about 13.2 billion years old
4) Nucleosynthesis is a process through which the atoms of various elements are produced
5) You re mainly made of hydrogen
Explanation:
1) There are dependencies between chemical composition of stars and planets and the same distribution of chemicals we have in our Solar system have been observed to be present in varying resemblance through out the Milky Way
2) The formation of heavier elements are believed to have been formed by astrophysical fusion processes
3) The oldest known object (and hence the galaxy where the star resides), is from a distant star known as GRB 090423 which is about 13 billion years old
4) New atomic nuclear are created by the process of protons and neutrons by the process of nucleosynthesis
5) 62%of the atoms in the body are hydrogen atoms.
What happens to the pattern on the screen when the slits are brought closer to each other? Write your observations in the box below.
Answers
When the distance between the two slits on the screen is reduced, the interference fringes become wider apart. The pattern is less intense, with the bright fringes becoming less bright and the dark fringes becoming less dark.
When the distance between the two slits on the screen is reduced, the interference fringes become wider apart. The pattern is less intense, with the bright fringes becoming less bright and the dark fringes becoming less dark. As the distance between the two slits increases, the opposite occurs.
The fringes become closer together, with bright fringes becoming brighter and dark fringes becoming darker. This phenomenon is due to the constructive and destructive interference of light waves.
When the light waves from the two slits arrive at the screen, they interfere with one another, either constructively or destructively depending on the phase of the wave.
If the peaks and troughs of the two waves align perfectly, they will constructively interfere and create a bright fringe. If the peaks of one wave align with the troughs of another wave, they will destructively interfere and create a dark fringe.
The spacing between the fringes, known as the fringe spacing, is determined by the wavelength of the light and the distance between the slits. When the distance between the slits is reduced, the fringe spacing increases, resulting in fringes that are further apart from each other.
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For resonance to occur, the object must experience a frequency equal to its what?
period
wavelength
amplitude
natural frequency
Answers
Answer:
natural frequency
Explanation:
Answer: correct answer is {d}
Explanation: i got it right on my assesment
Consider the following units of thermal energy.
A. 1 calorie
B. 1 Calorie (Capital C)
C. 1 Joule
Rank from greatest to least the magnitudes of these units of thermal energy. Explain your reasoning.
Answers
The rank of the units of thermal energy from greatest to least magnitude is: 1 Calorie (Capital C) > 1 calorie > 1 JouleA
Thermal energy is the form of energy that deals with the internal energy of substances, and it is the sum of the kinetic and potential energy of atoms or molecules within a given substance.
Thermal energy is an extensive property that is proportional to the mass of the substance and is expressed in units of joules or calories.
The given units of thermal energy are 1 calorie, 1 Calorie (Capital C), and 1 Joule.
The rank of the units of thermal energy from greatest to least magnitude is given below:
1 Calorie (Capital C) > 1 calorie > 1 Joule.
A Calorie (Capital C) is a unit of thermal energy equivalent to 1000 calories, which is 4.18 × 103 J (joules). The magnitude of this unit of thermal energy is greater than the other given units of thermal energy.
1 calorie is defined as the amount of thermal energy required to raise the temperature of 1 gram of water by 1°C. The magnitude of this unit of thermal energy is less than that of a Calorie and greater than that of a Joule.
A Joule is the standard unit of energy, which is equivalent to the amount of energy used when a force of 1 newton moves through a distance of 1 meter in the direction of the force. The magnitude of this unit of thermal energy is less than that of a Calorie and a calorie.
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Doubling the momentum of a neutron
(a) decreases its energy
(b) doubles its energy
(c) doubles its wavelength
(d) halves its wavelength
(e) none of these.
Answers
The answer is option (a)"decreases its energy" as doubling the momentum of a neutron leads to a decrease in its energy.
How does momentum affect a neutron's energy and wavelength?The de Broglie wavelength equation is given by λ = h/p, where λ is the wavelength of a particle, h is the Planck constant, and p is the momentum of the particle. This equation shows that the wavelength of a particle is inversely proportional to its momentum.
Therefore, if the momentum of a neutron is doubled, its wavelength will be halved (option (d) in the question).
However, the energy of a neutron is proportional to the square of its momentum, i.e., E = p\(^2/2m\), where E is the energy of the neutron, and m is its mass.
Therefore, if the momentum of a neutron is doubled, its energy will be quadrupled (not listed in the options).
Thus, option (a) "decreases its energy" is the correct answer.
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A very long straight wire carries a current i in the z direction
Answers
Answer:
what are you calculating put the full question so I can help you out: )
Explanation:
its quite confusing just a little lol
Suppose you needed to push a 1,500-N sofa up a frictionless ramp with a 30° angle. How much force would you have to apply to the sofa?Show your work below.
Answers
Answer:
1299N
Explanation:
GIven data
Weight W= 1500N
Angle Ф= 30°
The applied force up the frictionless ramp is gotten by applying the formula below
F= WcosФ
substitute
F=1500 cos 30
F = 1500*0.8660
F= 1299N
Hence the applied force is 1299N
A group of athletes are trying to turn a large wheel and axle to move a stone. What can they do to move the wheel with less effort?
Answers
A simple 15.2 cm reflecting telescope can achieve 1 second of arc resolution for visible light. Many radio telescopes study a particular radio wavelength of 21 cm. Complete parts a −d using the above information. a. Use the Raleigh criteron to determine how large a radio telescope aperature must be to achieve this resolution at 21 cm. b. Why must the aperture of a radio telescope be much larger than that of an optical telescope? c. Why is it possible to resolve two predominantly blue stars when the same telescope can not resolve two simarily separated red stars? d. In the galaxy pictures of 5 b, which photograph corresponds to the largest aperture?
Answers
a)The aperture size of the radio telescope needs to be approximately 0.27 meters b)The aperture of a radio telescope needs to be much larger than that of an optical telescope because radio waves have much longer wavelengths compared to visible light. c)the resolving power of a telescope depends on the ratio of the wavelength of light.
a. To determine the aperture size of a radio telescope to achieve a resolution at 21 cm, we can use the Rayleigh criterion, which states that the minimum resolvable separation (δθ) is given by:
δθ = 1.22 * (λ / D)
Where λ is the wavelength of the radiation and D is the diameter of the telescope's aperture.
Given that the radio wavelength is 21 cm (or 0.21 m), and we want to achieve the same resolution as the optical telescope (1 second of arc), we can rearrange the formula to solve for D:
D = 1.22 * (λ / δθ)
D = 1.22 * (0.21 m / 1 second of arc)
Calculating the result:
D ≈ 0.27 m
Therefore, the aperture size of the radio telescope needs to be approximately 0.27 meters to achieve a resolution of 1 second of arc at a wavelength of 21 cm.
b. The Rayleigh criterion tells us that the resolution of an instrument is inversely proportional to the wavelength.
Since radio waves have longer wavelengths, the telescope's aperture needs to be larger to achieve the same resolution as an optical telescope. This is because a larger aperture collects more incoming waves and allows for finer spatial detail to be resolved.
c. The ability to resolve two objects using a telescope depends on the size of the aperture relative to the wavelength of the radiation. When it comes to resolving stars, the resolving power of a telescope depends on the ratio of the wavelength of light to the size of the telescope's aperture (λ/D).
Blue light has a shorter wavelength compared to red light. Since the resolving power is directly proportional to the wavelength, a shorter wavelength of blue light allows for better resolution.
Therefore, two predominantly blue stars can be resolved because their shorter wavelength allows for finer detail to be distinguished, while the same separation between two predominantly red stars cannot be resolved due to the longer wavelength.
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How does the current in a circuit change if the resistance is doubled? The current is halved. The current is doubled. The current is multiplied by four. The current stays the same.
Answers
Answer:
The current is halved
Explanation:
The relationship between the current and the resistance is given by Ohm's Law, as follows:
\(V = IR\\I = \frac{V}{R}\)
where,
V = Voltage
I = Current
R = Resistance
Therefore, if we double the resistance:
\(I' = \frac{V}{2R}\\\\I' = \frac{1}{2}I\)
Hence the correct option is:
The current is halved
Answer:
A
Explanation:
If you are pulling a sled with a rope at an angle of 30 degrees and it takes 500N of force to pull the sled and you pull it 20m how much work have you done?
Answers
The we need to use the formula for work, which is Work = Force x Distance x Cosine of Angle In this case, the force is 500N, the distance is 20m, and the angle is 30 degrees.
The need to convert the angle to radians, which is 0.5236 radians. So, plugging in the values: Work = 500N x 20m x cos (0.5236) Work = 500N x 20m x 0.866 Work = 8,660 Joules Therefore, you have done 8,660 Joules of work pulling the sled at a 30-degree angle with a force of 500N over a distance of 20m. The angle is important because it affects the amount of force needed to do the work. The cosine of the angle is a factor in the formula, and as the angle increases, the cosine value decreases, making the force required to do the same amount of work higher.
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1. Ex. Weight lifted above your head, piston in an engine
(1 Point)
Mechanical Energy
Nuclear Energy
Sound Energy
Chemical Energy
Answers
Answer:
I think it is mechanical energy
What happens to the Doppler effect in air (i.e., the shift in frequency of a sound wave) as the temperature increases?
1. It is greater at higher temperatures, but only in the case of a moving source and a stationary observer.
2. It is greater at higher temperatures, but only in the case of a moving observer and a stationary source.
3. The Doppler effect does not change as the temperature increases.
4. It is less at higher temperatures than at lower temperatures.
5. It is greater at higher temperatures than at lower temperatures.
Answers
The correct option is 2. It is greater at higher temperatures, but only in the case of a moving observer and a stationary source. The Doppler effect is a change in the frequency of a wave caused by the relative motion of the source and observer.
This effect can be noticed in both sound waves and light waves. Sound waves require a medium for transmission and it is not applicable to vacuum. The frequency of the sound wave depends on the medium in which the wave is traveling. As the temperature of the medium increases, the speed of sound also increases. This means that the frequency of sound waves also changes, and hence the Doppler effect changes.
The Doppler effect is greater at higher temperatures but only in the case of a moving observer and a stationary source. The reason is that the temperature of the medium affects the speed of sound, but not the relative motion of the source and observer.
Therefore, option 2, which states that the Doppler effect is greater at higher temperatures, but only in the case of a moving observer and a stationary source.
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After being stuck by a bowling ball, a 1.8 kg bowling pin slides to the right at 3.6 m/s and collides head-on with another 1.8 kg bowling pin initially at rest. What is the final velocity of the second pin if the first pin moves to the right at 0.54 m/s after the collision
Answers
Answer:
Explanation:
We shall apply law of conservation of momentum at the time of collision
Momentum before collision of both the pins = 1.8 x 3.6 + 0 = 6.48 kg m/s
Momentum after the collision of both the pins = 1.8 x .54 + 1.8 x v where v is velocity of second pin
So , according to law
6.48 = 1.8 x .54 + 1.8 x v
6.48 = .972 + 1.8 x v
v = 3.06 m /s to the right .
If a certain test follows a normal curve, most of the scores will fall
A. at the top end
B. at the bottom end
C. all over the place
D. in the middle
Please select the best answer from the choices provided
Ο Α
OB
С
OD
Answers
Answer:
im pretty sure its d
Explanation:
a) A cell of dry air is moved vertically from its original position under adiabatic conditions. Depending on the temperature profile of the surrounding atmosphere, this gas cell can keep on moving in the same direction, or it may come back to its original position. Considering the temperature profile of the atmosphere, change of the air cell temperature as it moves up and down in the surrounding atmosphere, as well as relative densities of the air cell and atmosphere, explain why and when the atmosphere is considered to be convectively stable and convectively unstable. In answering this question, use diagrams of temperature change with altitude. (13 marks) b) Explain why the adiabatic lapse rate of dry air is different from the adiabatic lapse rate of wet saturated air. Show them both in a diagram. (5 marks) c) Wet unsaturated air rises from the ocean surface. The ambient lapse rate is higher than the adiabatic lapse rate for dry air. There is a temperature inversion layer at higher altitudes. Show in a schematic diagram how the temperature of the wet air changes with altitude, in comparison with the ambient temperature. Explain at what altitudes the cumulus clouds are formed and why. (7 marks)
Answers
The question addresses the stability of the atmosphere and the factors that determine convective stability or instability. It also explains the difference between the adiabatic lapse rate of dry air and wet saturated air.
a) The stability of the atmosphere is determined by the temperature profile and relative densities of the air cell and atmosphere. If the temperature of the surrounding atmosphere decreases with altitude at a rate greater than the adiabatic lapse rate of the air cell, the atmosphere is considered convectively stable.
In this case, the air cell will return to its original position. Conversely, if the temperature of the surrounding atmosphere decreases slower than the adiabatic lapse rate of the air cell, the atmosphere is convectively unstable. The air cell will continue moving in the same direction.
b) The adiabatic lapse rate refers to the rate at which temperature decreases with altitude for a parcel of air lifted or descending adiabatically (without exchanging heat with its surroundings). The adiabatic lapse rate of dry air is higher (around \(9.8^0C\) per kilometer) compared to the adiabatic lapse rate of wet saturated air (around 5°C per kilometer).
This difference arises because when water vapor condenses during the ascent of saturated air, latent heat is released, reducing the rate of temperature decrease. A diagram can illustrate the difference between the two lapse rates, showcasing their respective slopes.
c) When wet unsaturated air rises from the ocean surface, its temperature decreases at a rate equal to the dry adiabatic lapse rate. However, if the ambient lapse rate (temperature decrease with altitude) is higher than the adiabatic lapse rate for dry air, a temperature inversion layer forms at higher altitudes.
In this inversion layer, the temperature increases with altitude instead of decreasing. A schematic diagram can depict the temperature changes of the wet air in comparison to the ambient temperature, showing the inversion layer.
Cumulus clouds form at the altitude where the rising moist air reaches the level of the temperature inversion layer. These clouds are formed due to the condensation of water vapor as the air parcel cools to its dew point temperature.
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If Argon's melting point is -309 degrees then what is its freezing point?
Answers
The melting point of a substance is the temperature at which the substance changes its phase from solid to liquid.
The freezing point is the temperature at which the substance changes its phase from liquid to solid.
The melting point of a substance is the same as the freezing point. That is when the temperature of the substance in the liquid form is increased continuously, the temperature at which the substance turns into a solid is equal to the temperature at which the substance will turn into liquid from solid if the temperature is decreased continuously, from a higher temperature.
A frog leaps from flat ground at 6.32 m/s
at a 36.3 angle. What maximum height
does it reach?
(Unit = s)
Answers
At hmax, Vy=0
vy=v0y-gt
0=6.32sin(36.3)-9.81t
t=.381 seconds
Δy=v0yt-.5gt^2
Δy=6.32sin(36.3)*.381-.5(9.81)(.381)^2
maximum height=.714 m
suppose an astronaut in outer space suddenly discovers that the tether connecting her to the space station is cut and she is slowly drifting away from the station. assuming that she is wearing a tool belt holding several wrenches, how can she move herself back towards the space station?
Answers
The astronaut can she move herself back towards the space station by throwing a tool on the direction opposite to the shuttle.
According to Newton's Third Law, if an astronaut tosses a tool away from the space shuttle, she will exert a force in that direction while also being subject to a reaction force in that same direction. Since there are no drag forces in space, the astronaut's gained acceleration (in accordance with Newton's second law) would eventually propel her back to the shuttle.
According to Newton's second law of motion, force is equal to the rate at which momentum changes. Force is defined as mass times acceleration for a constant mass. Therefore, the astronaut can she move herself back towards the space station by throwing a tool on the direction opposite to the shuttle.
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is a person believes that dreams have hidden meaning how or she would agree with Freud's ideas about _ content?
A. manifest
B. latent
C. hidden
D. lucid
Answers
Answer:B ez
Explanation:
Punnett squares are used by geneticists to determine the probability of
different offspring genotypes.
Answers
Answer:
are used by geneticists to determine the probability of different offspring genotypes.
10 points to whoever answers!!!
What is the formula for work? What is the formula for power?
Answers
Answer:
power= work done /time.
Answer:
W = Force * distance
Power = W/ time
Explanation:
a guy wire is attached to the top of a radio antenna is bolted to the ground 48 m from the base of the tower. if the wire makes an angle of 14 with the ground, how high is the radio antenna? express your answer to 2 decimal places.
Answers
The height of the radio antenna is approximately 36.61 meters.
To solve this problem, we can use trigonometry and the properties of right triangles. Let's draw a diagram to visualize the situation.
We have a right triangle with the radio antenna as the hypotenuse, the guy wire as one leg, and the ground as the other leg. The angle between the guy wire and the ground is given as 14 degrees.
Using trigonometric functions, we can find the length of the guy wire and then subtract it from the total height of the tower to get the height of the radio antenna.
First, let's find the length of the guy wire. We know that the opposite side (the guy wire) is the side opposite the given angle, and the adjacent side (the ground) is the side adjacent to the given angle. Therefore, we can use the tangent function:
tan(14) = opposite/adjacent
tan(14) = guy wire/48
guy wire = 48 tan(14) ≈ 12.51 m
Next, let's find the height of the radio antenna. We know that the hypotenuse (the tower) is the longest side of the right triangle, so we can use the Pythagorean theorem:
tower^2 = guy wire^2 + ground^2
tower^2 = (12.51)^2 + (48)^2
tower ≈ 49.12 m
Finally, we can subtract the length of the guy wire from the height of the tower to get the height of the radio antenna:
radio antenna = tower - guy wire
radio antenna ≈ 36.61 m
Therefore, the height of the radio antenna is approximately 36.61 meters.
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A ball is projected upward at time t = 0.0 s, from a point on a roof 70 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is What is the velocity of the ball when it is above the ground? −89 m/s − 72 m/s − 36 m/s − 107 m/s − 54 m/s
Answers
Answer:
The velocity of a ball will be "-70.13 m/s".
Explanation:
The given values are:
u = 70 m
t = 0.0 s
g = a = -9.8 m/s²
s = -1 m
v = ?
As we know,
The equation of motion will be:
⇒ \(v^2-u^2=2as\)
On substituting the estimated values, we get
⇒ \(v^2-(70)^2=2\times (-9.8)\times (-1)\)
⇒ \(v^2-4900=19.6\)
⇒ \(v^2=19.6+4900\)
⇒ \(v^2=4919.6\)
⇒ \(v=\sqrt{4919.6}\)
⇒ \(v=70.13 \ m/s\)
In downward direction, it will be:
⇒ \(v=-70.13 \ m/s\)
A potential difference of 10.0 volts exists between two points, A and B, within an electric field. What is the
magnitude of charge that requires 2.0 x 10-2 joule of work to move it from A to B?
1. 5.0 x 10^2 C
2. 2.0 x 10^-1 C
3. 5.0 x 10^-2 C
4. 2.0 x 10^-3 C
Answers
Answer:
answer is 4
Explanation:
The charge that is moved is required.
The magnitude of charge moved is option 4. \(2\times 10^{-3}\ \text{C}\)
Potential differenceV = Potential difference = 10.0 V
W = Work done = \(2\times10^{-2}\ \text{J}\)
q = Magnitude of charge
When work done on moving a charge is divided by the potential difference we get the magnitude of the charge that is moved.
The charge of an object is the result of an excess or a lack of positive or negative charges on a body.
So, the magnitude of charge is given by
\(q=\dfrac{W}{V}\\\Rightarrow q=\dfrac{2\times 10^{-2}}{10}\\\Rightarrow q=2\times 10^{-3}\ \text{C}\)
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A plane flies along a straight line path after taking off, and it ends up 90.0 km farther east and 200.0 km farther north, relative to where it started. In what direction did it fly on the straight line path?
27° north of east
45 ° north of east
24° north of east
66° north of east
Answers
Answer:
24° north of east
Explanation:
tan(x)=90/200 ie x=arctan(90/200)=24°
So the plane took off 24° east.
Answer:
24° north of east
Explanation:
Hope this will help