At the core of all examples of Pavlovian conditioning is association. So option B is correct.
Pavlovian conditioning, also known as classical conditioning, is a type of learning that occurs when a neutral stimulus becomes associated with a stimuli that naturally evokes a response, such as food or a sound. The neutral stimulus becomes a conditioned stimulus and elicits the same response as the natural stimulus.
This process occurs through the repeated pairing of the two stimuli, and the formation of an association between them. The core of all examples of Pavlovian conditioning is therefore the establishment of an association between two stimuli, leading to a learned response.
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Which equation can you use to calculate the mechanical advantage of a simple machine
Answer:
MA=Fo/Fi
Explanation:
(a) The sketch shows a painter's scaffold in mechanical equilibrium. The person in the middle weighs 500 N, and the tensions in each rope are 400 N. What is the weight of the scaffold? (b) A different scaffold that weighs 400 N supports two painters, one 500 N and the other 400 N.
The reading in the left scale is 800 N. What is the reading in the right-hand scale?
The correct answer is for a. 100 N is the weight of the scaffold while in equilibrium and b. The reading in the right-hand scale is 500 N.
What is Equilibrium?
Equilibrium, in physics, the condition of a system when neither its state of motion nor its internal energy state tends to change with time.
a. As per equilibrium 500 N = 400 N + x N
x N = 500 - 400 = 100 N
b. As per image, we can get answer of reading in right hand = 500N
Hence, as per image a. 100 N is the weight of the scaffold while in equilibrium and b. The reading in the right-hand scale is 500 N.
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Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 15.2 m/s. Both screech, the first emitting a frequency of 3643 Hz and the other one of 3800 Hz. What frequencies do they receive if the speed of sound is 330 m/s?
4.23kHz is the frequencies do they receive if the speed of sound is 330 m/s when Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 15.2 m/s. when Both starts screech, the first emitting a frequency of 3643 Hz and the other one of 3800 Hz.
What is frequency ?A recurring event's frequency is measured by how many times it occurs in a unit of time. For clarity, it is sometimes referred to as temporal frequency and is distinct from angular frequency. One occurrence per second, or hertz (Hz), is the unit of frequency.
Given:
V1=15.0m/s
v2=15.2m/s
f1=3643 Hz
f2= 3800 Hz
Now to find the frequencies do they receive if the speed of sound is 330 m/s.
we will apply the following equation:
f'2=[(V1+v2)/v-v2]f2
putting the values:
f'2=[(15.0m/s+15.2m/s)/330 m/s-15.2m/s]3800 Hz
on solving the above we get
f'2=4.23kHz
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You want to test if a new diet medicine helps dogs lose weight. What would be your independent variable?
A) equal amounts of water
B) How much weight is lost
c) the dog
D) The new medicine
suppose the pendulum bob in (figure 1) has a mass of 0.23 kg and is moving to the right at point b with a speed of 2.3 m/s . air resistance is negligible.what is the change in the system's gravitational potential energy when the bob reaches point a?
The change in the system's gravitational potential energy when the bob reaches point a is equal to the work done by the gravitational force.
What is the change in the system's gravitational potential energy when the bob reaches point a?Since the bob is moving from point b to point a, the work done by the gravitational force is negative.The work done by the gravitational force is given by W = -mgh, where m is the mass of the bob, g is the acceleration due to gravity, and h is the height difference between points a and b.In this case, m = 0.23 kg, g = 9.8 m/s^2, and h = 0.2 m.Therefore, the change in the system's gravitational potential energy when the bob reaches point a is W = -(0.23 kg)(9.8 m/s^2)(0.2 m) = -4.564 J.The change in the system's gravitational potential energy when the bob reaches point a is -6.67 J.This can be calculated using the equation PE = mgh, where m is the mass of the bob (0.23 kg), g is the acceleration due to gravity (9.81 m/s2) and h is the change in height (1 m). Thus, PE = 0.23 x 9.81 x 1 = 2.33 J.The change in PE is calculated by subtracting the initial PE (2.33 J) from the final PE (0). Thus, the change in PE is -2.33 J.To learn more about gravitational force refer to:
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Complete the following statement: different types of collisions between interacting bodies are CATEGORIZED on the basis of a) kinetic energy conservation b) mechanical energy conservation c) linear momentum conservation a) kinetic energy conservation
Correct! Different types of collisions between interacting bodies are categorized on the basis of kinetic energy conservation.
There are three types of collisions depending on whether kinetic energy is conserved or not: elastic collisions, inelastic collisions, and completely inelastic collisions.
Different types of collisions between interacting bodies can be categorized on the basis of kinetic energy conservation. Elastic collisions occur when kinetic energy is conserved, inelastic collisions occur when kinetic energy is not conserved, and completely inelastic collisions occur when kinetic energy is completely transferred to other forms of energy such as heat or sound.
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Calculate the kinetic energy of an object of mass 10kg when it is moving with a velocity 2ms-1
The kinetic energy of an object of mass 10kg when it is moving with a velocity 2ms-¹ is 20J.
How to calculate kinetic energy?Kinetic energy in physics refers to the energy possessed by an object because of its motion, equal (nonrelativistically) to one half the mass of the body times the square of its speed.
It can be calculated using the following formula;
K.E = ½mv²
Where;
m = massv = velocityAccording to this question, an object of mass 10kg is moving with a velocity 2ms-¹. The kinetic energy can be calculated as follows:
K.E = ½ × 10 × 2²
K.E = 20J
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The kinetic energy of the object of mass 10 Kg moving with a velocity 2 ms¯¹ of is 20 J
How do I determine the kinetic energy of the object?Kinetic energy of an object is simply defined as the energy of the object in motion. Mathematically, it can be written as:
KE = ½mv²
Where
KE is the kinetic energy of the objectm is the mass of the objectv is the velocity of the objectUsing the above formula, we shall determine the kinetic energy of the object. Details below:
Mass of object (m) = 10 KgVelocity of object (v) = 2 ms¯¹Kinetic energy of object (KE) =?KE = ½mv²
KE = ½ × 10 × 2²
KE = 5 × 4
KE = 20 J
Thus, we can conclude from the above calculation that the kinetic energy is 20 J
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why must a laboratory thermometer be left in place to take a reading 
Answer:
I don't know why?? is this a homework question or a riddle?
you throw a ball vertically up from the roof ledge of an apartment building with an initial speed of 10 m/s. the ball travels upward, stops (why?), travels downward and continues past the roof all the way to the ground. (note: you may approximate the gravitational acceleration as 10 m/s/s.)
When we through a ball vertically upwards from the roof ledge of an apartment building, the ball stops due to the acceleration due to gravity acting downwards on the ball.
The ball travels upward with an initial speed of 10 m/s, slows down due to the force of gravity (approximated as 10 m/s²), and eventually reaches its maximum height when its upward velocity becomes zero. At this point, the ball stops and is in a state of free fall.
After stopping, the ball then begins to travel downward due to the force of gravity, increasing its downward velocity, past the roof and falls to the ground.
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6. The cosmological views of the Later Middle Ages held that which of the following was the center of the universe?
a.
The sun.
b.
The earth.
c.
Heaven.
d.
The epicycles.
e.
The moon.
According to the cosmological views of the Later Middle Ages, the center of the universe was believed to be the Earth. Correct answer: letter B.
This was based on the geocentric model proposed by Claudius Ptolemy, in which the Sun and the planets revolved around a spherical Earth. The epicycles and the moon were also thought to play a role in the geocentric model, but the Earth was considered the center of the universe.
The geocentric model proposed by Claudius Ptolemy was the prevailing cosmological view in the Later Middle Ages, and it held that the Earth was the center of the universe. This view was based on the idea that the Sun and the planets revolved around a spherical Earth, which was thought to be at the center of the universe. The Ptolemaic system also proposed that the epicycles and the moon would play a role in the geocentric model, though the Earth was still considered the center of the universe.
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Given Data: Radius=350m, Speed= 72kmph, a = - 1.25m / (s ^ 2)
Determine magnitude of total acceleration 1) Immediately after the brakes have been applied, and
2) After 4 secs
Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt.
How do you determine a car’s acceleration when braking?
To calculate the acceleration, use v=u+at, where v is the end velocity, u is the beginning velocity, t is the time, and an is the car’s mean acceleration. To calculate the distance traveled, use s=ut+12at2 or v2=u2+2as (You can use both). S is the distance the automobile has traveled since it began to brake.
The formula for determining the magnitude of a vector v = (x, y) in two dimensions is: |v| =(x2 + y2). The Pythagorean theorem is used to derive this formula.
The formula for determining the magnitude of a vector V = (x, y, z) in three dimensions is: |V| = (x2 + y2 + z2).
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An air pollution expert set up a monitoring program to determine the amount of particulate matter (PM) leaving a farmer's field after crops were harvested and the soil was bare. She set up high-volume air samplers 10 meters from each edge of the square field and collected samples weekly for two months. When she looked at her data, she was surprised by how much the PM levels varied, both from site to site on a given date and over time at each site. Which of the following parameters would have been best to measure to help explain the variation in her results?
A. Percent of cloudy days over the two months
B. Particle size of the soils in the field
C. Depth of the organic matter in the soil
D. Wind direction and speed
D) The differences in her outcomes Wind speed and direction. Spectrometry includes the widely used absorption spectrophotometry, atomic absorption spectrometry, and ICP emission method.
How was a monitoring program established by an expert in air pollution to determine the quantity of particle matter?When crops were harvested and the soil was bare, an expert in air pollution put up a monitoring scheme to find out how much particle matter (PM) was leaving a farmer's land. She placed high-volume air samplers 10 meters from the square field's edges and took samples once a week for two months.
Which three methods are utilized to gauge air toxins?Following are detailed examples of how spectrometry (which is frequently used) and chromatography (gas chromatography and liquid chromatography) can be used to manually analyze air pollutants.
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A charged particle ( 7.58 x 10⁻⁶ kg and -6.9 x 10⁻⁹ C ) accelerates in a uniform electric field: (see 2nd image)
Assuming that the only force acting on the particle is due to the electric field, calculate the acceleration of the particle in m/s², taking the direction of the field as the positive direction (see 3rd image). Remember that F=ma.
Round to the nearest hundreth.
Will give brainliest if correct. Please show method/explaination down below.
Answer:
-9.20 m/s²
Explanation:
We can calculate the acceleration of the particle using the equation F = ma. We know that the force acting on the particle is given by the equation F = qE, where q is the charge of the particle and E is the electric field. So we can write:
ma = qE
We know the mass of the particle, the charge of the particle, and the electric field. We can substitute these values into the equation to find the acceleration:
a = qE/m = (-6.9 x 10⁻⁹ C)(3.5 x 10⁵ N/C) / (7.58 x 10⁻⁶ kg) = -9.20 m/s²
So the acceleration of the particle is -9.20 m/s². It is acting in the opposite direction of the electric field.
Tried My Best Hope This Helps :)
Suppose you have a coffee mug with a cylindrical shape (the radius is uniform, in other words).
What is its inside radius, in centimeters, if it holds 375 g of coffee when filled to a depth of 9.5 cm? Assume coffee has the same density as water, 1.00 g/cm3. sig.gif?tid=4N89-35-A9-45-A5E1-16925
R =
The inside radius of the coffee mug that can hold the given mass is 4.61 cm.
In more recent usage, a circle's or sphere's radius is also its length. In classical geometry, a circle's or sphere's radius is any line segment that connects the object's center to its perimeter. The word "radius" is derived from Latin and means "ray" as well as "the spoke of a chariot wheel." Radii" or the typical English plural radiuses can both be used as the plural form of the word radius. The diameter D is hence defined as being twice the radius.
The given parameters;
coffee's whole mass, m = 400 g
height of mug, h = 6 cm
the coffee's density, ρ = 1 g/cm³
The amount of coffee in the mug is calculated using the formula below:
[tex]\begin{gathered}volume = \frac{mass}{density} \\\\volume = \frac{400}{1} \\\\volume = 400 \ cm^3\end{gathered}[/tex]
The coffee mug's interior radius is computed as follows:
[tex]\begin{gathered}Volume = \pi r^2 h\\\\400 = \pi \times r^2 \times 6\\\\r^2 = \frac{400}{6\pi} \\\\r^2 = 21.22\\\\r = \sqrt{21.22} \\\\ \ \end{gathered}[/tex]
r= 4.61cm
Thus, the coffee cup's inside radius is 4.61 cm and it can hold the specified mass.
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How would I explain a example for energy?
Energy- the ability to do work. Energy is measured in joules (j)
You could explain a example for energy by using Fire which could be thermal energy, chemical energy, and radiant energy and it can get its source from either renewable (wood) or non-renewable (coal).
How can eneregy be explained?Energy is typically defined as the capacity to perform work. In other words, energy exists in everything that can perform labor. Working with energy also refers to causing or bringing about change. Every time work is done, energy is either changed or transmitted.
Thermal, chemical, and radiative energies all combine to form fire. Its source could be non-renewable (like wood) or renewable (coal). How to charge a phone's battery Electrical energy, chemical energy (for the battery), kinetic energy, and potential energy are all involved in charging a phone.
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A bat emits a sound with a frequency of 134 kHz in a cave where the temperature is 28°C. Assume that air behaves like an ideal monatomic gas and use the fact that the speed of sound in air at 20.0°C is 343 m/s to determine the wavelength of the sound emitted by the bat.
The wavelength of the sound is 2.6 x 10⁻³ m.
What is the wavelength of the sound?The wavelength of the sound or distance travelled by the sound wave is calculated by applying the following formula.
v = fλ
λ = v / f
where;
v is the speed of the sound wave = 343 m/sf is the frequency of the sound wave = 134 kHzλ is the wavelength of the sound wave = ?The wavelength of the sound is calculated as follows;
λ = v / f
λ = ( 343 m/s ) / ( 134,000 Hz )
λ = 2.6 x 10⁻³ m
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Why would the weight of a landing module be different on different planets?(1 point)
Responses
a. The landing module’s mass is different on different planets.
b. Planets have different diameters
c. Gravitational force is different on different planets.
d. Planets are different distances from the Sun.
The weights of the objects are different because Gravitational force is different on different planets. Option C
What is the acceleration due to gravity?We have to note that the acceleration due to gravity is what tell us the extent of the gravitational pull that is on a planet. The value of the acceleration due to gravity is not the same in all the planet.
This implies that the magnitude of the gravitational force in all the planets that we know can not be the same and as such the masses of the objects in the various planets would not be the same.
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A particle of mass m is travelling along the x-axis such that at t = 0 it is located at x=0 and has a speed Vo. The particle is acted upon by a force which opposes the motion and as
a magnitude proportional to the square of the instantaneous speed find: speed , position, acceleration at any time t=0
The speed, position and acceleration are V₀ x e⁽⁰⁾, V₀ x 0 + (V₀/k) x (1 - e⁽⁻⁰⁾) = 0 and -k(V₀²)/m respectively.
How to find speed, position and acceleration?The particle's motion can be described by Newton's second law, which states that the net force acting on an object is equal to its mass times acceleration. If the force acting on the particle is proportional to the square of its speed, then it can be modeled as F = -kv², where k is a constant of proportionality.
At time t = 0, the particle is located at x = 0 and has a speed Vo. The acceleration can be found from Newton's second law as follows:
a = F/m = -kv²/m = -k(V₀²)/m
The velocity of the particle at any time t can be found by integrating the acceleration:
v(t) = V₀ + ∫a(t) dt = V₀ - (k/m) x ∫(V₀²) x e^(-kt) dt = V₀ x e^(-kt)
The position of the particle at any time t can be found by integrating the velocity:
x(t) = ∫v(t) dt = V₀ x t + (V₀/k) x (1 - e^(-kt))
So, the speed, position, and acceleration of the particle at t = 0 are as follows:
Speed: v(0) = V₀ x e⁽⁰⁾ = Vo
Position: x(0) = V₀ x 0 + (V₀/k) x (1 - e⁽⁻⁰⁾) = 0
Acceleration: a(0) = -k(V₀²)/m = -k(V₀²)/m.
Note: The actual values for the speed, position, and acceleration of the particle at any time t will depend on the specific values of the mass m, the initial speed V₀, and the constant of proportionality k.
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1. A piece of purple plastic is charged with 1.55×106
extra electrons compared to its neutral state. What is its net electric charge (including its sign) in coulombs?
net electric charge:
2. A glittering glass globe is given a net electric charge of 9.53×10−6
C. Does the globe now have more or fewer electrons than it does in its neutral state?
fewer/more
3. How many more or fewer?
amount:
1. the net electric charge of the plastic is 2.48 × 10⁻¹³ Coulomb
2. The globe now has less electrons than it does in its neutral state.
3. Total number of less electrons on globe is 5.95 × 10¹³.
What is charge?Subatomic particles have a characteristic known as "electric charge" that makes them experience force while in an electric and magnetic field.
1. the net electric charge of the plastic is
= 1.55×10⁶ × 1.6 ×10⁻¹⁹ Coulomb
= 2.48 × 10⁻¹³ Coulomb
2. The globe now has less electrons.
3. less electrons on globe = (9.53 × 10⁻⁶) ÷ 1.6 ×10⁻¹⁹
= 5.95 × 10¹³
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After throwing the ball in the air, it eventually converted the gained gravitational PE back into kinetic energy as it fell back down. What happened to that kinetic energy when the ball comes to a halt when it hits the table? Select all that apply: a. The energy was converted into thermal kinetic energy (it heated up the ball and table surface during the impact slightly)b. The energy was converted into chemical potential energy. c. The energy was lost d. The energy was converted into sound (kinetic energy associated with vibrations of air molecules)
As there is no evidence to suggest that the energy was converted into chemical potential energy.
Hence, except (b) all are true.
After the ball reaches its maximum height and starts falling back down, the gained gravitational potential energy is converted back into kinetic energy.
When the ball comes to a halt after hitting the table, the following happens to the kinetic energy:
a. The energy was converted into thermal kinetic energy (it heated up the ball and table surface during the impact slightly).
c. The energy was lost (to the surroundings in the form of heat, sound, and deformation of the ball and table surface).
d. The energy was converted into sound (kinetic energy associated with vibrations of air molecules).
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In order to understand the impact of climate change, a scientist collected measurements of average yearly sea surface temperatures from 1880 to 2012. His data is graphed below. What scientific question could be most accurately investigated based on the data collected by this scientist?
How did volcanic activity change with average sea surface temperatures?
How did melting arctic sea ice change average sea surface temperatures?
How did average sea surface temperatures change with increased aquaculture?
How did average sea surface temperatures change with time?
Based on the given graph, the most accurate scientific question investigated is: How did average sea surface temperatures change with time?
As greenhouse gases capture more solar energy, the oceans absorb more heat, resulting in higher sea surface temperatures and rising sea level.
Changes in ocean temperatures and currents caused by climate change will cause changes in global climate patterns. Warmer waters, for example, may stimulate the development of stronger storms in the tropics, causing property damage and loss of life. The consequences of rising sea levels and higher storm surges are especially significant to coastal populations.
During the twentieth century, global ocean surface temperatures rose. Even with some year-to-year variance, the overall increase is obvious, and sea surface temperatures have consistently been higher over the last three decades than at any previous period since reliable monitoring began in the late 1800s.
In the given graph, the x-axis is time in years while the y-axis is the change in sea surface temperature over the years. Hence, the correct question is: how did average sea surface temperatures change with time?
The graph in your question was missing, most likely it was like on the attached picture.
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Which of the following best explains the pattern in no concentration? no is a secondary pollutant with a long residence time in the atmosphere. no is produced by rush-hour traffic and is quickly oxidized in the atmosphere. no does not play a significant role in smog formation. no is formed in the lower atmosphere in the morning by the rising sun
The answer choice that best explains the pattern in no concentration is "no is produced by rush-hour traffic and is quickly oxidized in the atmosphere."
What is NO?NO (Nitrogen Oxide) is a secondary pollutant which means it is not directly emitted into the atmosphere but is produced as a result of chemical reactions involving primary pollutants (e.g. emissions from vehicles).
NO is primarily produced by the combustion of fossil fuels, particularly during rush-hour traffic. It has a short lifespan in the atmosphere due to its quick oxidation into other pollutants, such as nitrogen dioxide.
It does not play a significant role in smog formation and is not specifically formed in the lower atmosphere by the rising sun.
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Peter set up an experiment. He cut three holes in a piece of card. Two of the holes were covered by coloured filters as shown below. Peter placed a red filter between the piece of card and a white screen. He shone white light at the piece of card with three holes in it. white screen red filter What would Peter see on the screen?
(PLEASE HELP QUICK)
The red filter only allows red light to pass through it. It absorbs all of the other colours in the white light. Therefore only red light reaches the green filter.
What is Rectilinear propagation of light ?
Rectilinear propagation of light refers to the straight-line movement of light in a vacuum. According to the laws of physics, in the absence of any objects or materials that can bend or refract light, light travels in a straight line. This is why, when you look at a distant object, you see a straight line extending from your eye to the object. When light encounters a material or object, its path may be bent or refracted, causing it to deviate from a straight line. The amount of bending or refraction depends on the properties of the material, such as its refractive index, as well as the angle at which the light hits the material.
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A positive feedback loop is a physiological process designed to push the body beyond a physiological level to a determined endpoint. O True O False
The given statement about “A positive feedback loop is a physiological process designed to push the body beyond a physiological level to a determined endpoint” is true because during positive feedback, a physiological system encourages the change.
A positive feedback loop in a human-related system is described as a system responding in such a way that an idea or action has a positive influence on the idea or action that sparked the loop in the first place. In natural systems, the presence of a positive feedback loop can magnify or exaggerate the consequences of a very modest disruption or change, which then become mutually reinforcing and cause the system to react. This is in contrast to a system having a negative feedback loop, in which the change or disturbance is mitigated or self-corrected as the system returns to its original equilibrium rather than responding exponentially.
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DRAW the lines of convergence and area of convergence in this picture
PLEASE HELPPP
Draw lines from each point of the area of convergence to the point of convergence and extend them until they intersect.
How to draw the lines and area of convergence?To draw the lines of convergence and the area of convergence, first draw the line that divides the area into two parts. Then draw the lines that connect the points where the opposing forces meet. Finally, draw a circle around the area of convergence, with the convergence lines drawn from its center to the edges.
Convergence lines:
1. The line that divides the area of convergence into two parts.
2. The line that connects the points where opposing forces meet.
Area of convergence:
The area of convergence is the area where the opposing forces meet and interact. This area can be visualized as a circle, with the convergence lines drawn from its center to the edges. The area of convergence is often characterized by a high level of activity, with the opposing forces keeping each other in check.
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Determine the missing side
Answer:
3. 30m
4. 25m
5. 36m
Explanation:
See picture
A bicycle initially at rest accelerates for t = 18.5 seconds at a rate of a=1.5m/s^2. a) Calculate the distance, in meters, that the bicycle traveled during that period. b) Enter an expression, in terms of defined quantities, for the final velocity of the bicycle after time t. c) Calculate the final speed, in meters per second
The distance, in meters, that the bicycle traveled during that period is 256.68m and an expression, in terms of defined quantities, for the final velocity of the bicycle after time t is v= 1.5×t and the final velocity is 27.75[tex]\frac{m}{s }[/tex].
Given time t=18.5s
acceleration (a) = 1.5[tex]\frac{m}{s^{2} }[/tex]
We know
[tex]s=ut+\frac{1}{2}at^{2}[/tex]
where s is the distance and u is the initial velocity and t is the time taken and a is the acceleration due to gravity.
[tex]s=0+\frac{1}{2}\times1.5\times18.5^{2}[/tex]
s= 256.68 m
Now, as we know by first equation of motion
v= u+at
where v is the final velocity and u is the initial velocity and a is the acceleration due to gravity and t is the time taken.
v= 1.5×t
v = 1.5×18.5
v= 27.75[tex]\frac{m}{s }[/tex]
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The picture to the right represents the effect of tension on the
earth's crust. Faults and rift valleys are the result of movement in
the crust. What type of force causes these movements in the
plates?
a. Balanced forces
b. Unbalanced forces
c. Inertia
d. Friction
The type of force that causes these movements in the plates is unbalanced forces.
option B.
What is unbalanced force?When the resultant force acting on a body is not equal to zero, the forces acting on the body are known as unbalanced forces.
The unbalanced force between the upper plates and lower plates of Earth creates movement within the earth crust.
Thus, the faults and rift valleys are the result of movement in the crust, caused by the unbalanced forces or unequal forces that exist between the upper plates and the lower plates of the Earth's crust.
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A television advertisement claiming that a product is light-years ahead of its time does not make sense because _________.
it uses "light-years" to talk about time, but a light-year is a unit of distance
It refers to a light-year as a period of time rather than a unit of distance, this statement is illogical.
When a star is traveling away from us, what happens to the light?The waves are dispersed and we notice a reddish shift in the color, which denotes a red shift, if a star or galaxy is moving away from us. We see the light waves have a bluish tint as a star or galaxy approaches us, indicating a blue shift.
One light-year distance: What does that mean?We measure the distance of most celestial objects in terms of light years. The length of one Earth year that light travels is measured in light-years. About 6 trillion miles separate one light-year (9 trillion km). It's a 6 with 12 zeros behind it.
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An asteroid revolves around the Sun with a mean orbital radius 2.5 times that of Earth’s. Predict the period of the asteroid in Earth years.
The period of the asteroid that revolves around the Sun with a mean orbital radius 2.5 times is 3.95 year.
What is Kepler's third law?The cubes of the semi-major axes of the planets' orbits are directly proportional to the squares of the planets' orbital periods. According to Kepler's Third Law, a planet's period of orbiting the Sun should increase rapidly as its orbital radius does.
Given that:
An asteroid revolves around the Sun with a mean orbital radius 2.5 times that of Earth’s.
Hence, the period of the asteroid is = (2.5)^(3/2) × 1 year
= 3.95 year.
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