Two objects that appear to be identical, but are actually nonsuperimposable mirror images, are said to have the property of _____.
Answers
Chirality is the quality of two items that seem to be identical but are fact non-superposable mirror reflections of one another.
Given data,
Chiral objects are distinct from one another because their mirror images cannot be overlaid on one another.
It is common to see molecules with this feature, known as chirality, where two molecules with the same chemical formula can have distinct atom configurations.
Observations of chirality in many biological systems have significant ramifications for the study of chemistry, biology, and pharmacology.
Hence , it is claimed that two items exhibit the chirality property if they appear to be identical but are fact nonsuperimposable mirror copies of one another.
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Related Questions
which two quantities are measured in the same units?
Answers
The two quantities that are measured in the same units are "length" and "distance".
Both length and distance can be measured using units such as centimeters, meters, kilometers, inches, feet, or miles.
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what are the two ways in which technical debt relates to velocity
Answers
Technical debt relates to velocity in two ways: Slowing down velocity and Accelerating velocity.
Technical debt is an important concept for developers to understand, as it can directly affect the velocity of their projects. On one hand, technical debt can slow down velocity by increasing the amount of time spent on maintenance and rework, as well as by introducing complexity that can reduce productivity.
On the other hand, it can also be used to accelerate velocity, as making quick, short-term fixes can reduce the need for more in-depth refactoring and, as a result, speed up the project timeline. Ultimately, it is essential to understand how technical debt can influence velocity and be prepared to navigate the complexities it can introduce.
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What kind of motion does a torque tend to impart to an object?
A. Torque tends to increase the rotational inertia of the object.
B. Torque tends to decrease the rotational inertia of the object.
C. Torque tends to twist or change the state of rotation of the object.
D. Torque tends to increase the linear speed of the object.
Answers
The object's rotational inertia begins to decrease under torque. Torque has a tendency to twist an item or alter its state of rotation.
Describe torque.
The power that can cause an object to rotate around an axis is measured in torque. Similar to how force accelerates an object in linear mechanics, torque accelerates an object in an angular direction. A vector number is a torque.
Force and acceleration are related by Newton's second equation. Torque and rotary inertia replace force and mass, respectively, in the angular application of Newton's Second Law. The relationship between angular acceleration and torque holds true when an object's circular inertia is constant.
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Quinn is testing the motion of two projectiles x and y by shooting them from a sling shot. What can we say best describes the motion of the projectiles ? Assume air resistance is not a factor
Answers
Explanation:
A projectile motion may be defined as that form of a motion that is experienced by an object or a particle which is projected near the surface of the Earth and the particle moves along the curved path subjected to gravity force only.
Thus a projectile motion is always acted upon by a constant acceleration due to gravity in the down ward direction.
In the context, Quinn shoots two particle x and y from his sling shot and he observes that both his projectiles travels in a parabola curve in the air. Both the object x and y touches the ground a distance apart from him which is known as the range and it depends upon the velocity of the projectile. Both the projectile reaches a maximum height and then drop on the ground in a parabola shape.
B. The vertical velocity of projectile Y is changing, and the horizontal velocity of projectile X is constant.
A tube open at one end closed at the other and produces sound having a fundamental frequency of 350 Hx. If you now opem the closed end, the fundamental Frequency becomes 0.7.5 Hz. a. 175 Hz b. 350 Hz c. 700 Hz d. 1400 Hz
Answers
If a tube open at one end and closed at the other initially produces a fundamental frequency of 350 Hz, and then the closed end is opened, resulting in a new fundamental frequency of 750 Hz, the correct answer would be option (d) 1400 Hz.
The fundamental frequency of a tube that is closed at one end and open at the other is determined by the length of the tube. When the tube is closed at one end, it can only support odd harmonics, meaning that the fundamental frequency is the first harmonic. The fundamental frequency is inversely proportional to the length of the tube.
In this scenario, when the closed end is opened, the length of the tube effectively gets halved. Since the fundamental frequency is inversely proportional to the length, it will be doubled.
If the initial fundamental frequency is 350 Hz and it becomes 750 Hz when the closed end is opened, this indicates that the length of the tube has been halved. Thus, the new fundamental frequency after opening the closed end is twice the initial frequency, which is 350 Hz * 2 = 700 Hz.
However, it's important to note that none of the provided options match the correct answer. The correct answer based on the given information would be 700 Hz, not 1400 Hz as listed in the options.
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What do all electromagnetic waves have in common?
• They can travel at the speed of light
o They has the same wavelengths.
O They travel only through matter
O They have nonmoving magnetic fields
Answers
Unpolarized light is passed through two successive polaroid filters, each with its transmission axis at 45. 0° to the preceding filter. What percentage of light energy gets through?.
Answers
Approximately 25% of the light energy gets through the two successive polaroid filters with their transmission axes at 45.0° to each other.
What proportion of light energy passes through the two polaroid filters?When unpolarized light passes through a polaroid filter, it becomes linearly polarized, meaning its electric field oscillates in a single plane. When a second polaroid filter is placed with its transmission axis at a 45.0° angle to the first filter, only a portion of the polarized light can pass through. The intensity of the transmitted light depends on the angle between the transmission axes of the filters.
In this scenario, where the transmission axes of both filters are at 45.0° to each other, the transmitted light will have an intensity of approximately 25% of the original light energy. This reduction occurs because only a component of the polarized light aligned with the transmission axis of the second filter can pass through, resulting in a diminished intensity of the transmitted light.
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One component of a magnetic field has a magnitude of 0. 0404 T and points along the x axis while the other component has a magnitude of 0. 0739 T and points along the y axis A particle carrying a charge of 2. 80 10 5 C is moving along the z axis at a speed of 4. 46 103 m s a Find the magnitude of the net magnetic force that acts on the particle b Determine the angle that the net force makes with respect to the x axis
Answers
a) The magnitude of the net magnetic force that acts on the particle is 2.18 x 10-6 N.
b) The angle that the net force makes with respect to the x axis is 63.8°.
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field.Magnetic Field is the region around a magnetic material or a moving electric charge within which the force of magnetism acts. A pictorial representation of the magnetic field which describes how a magnetic force is distributed within and around a magnetic material.
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Use the electron-bookkeeping method to assign oxidation numbers for each atom in the following species: ectrum (a) HI (b) CHCh (c) SO, (d) CH rO 2. Use the shortcut method to assign oxidation numbers for each atom in the fo lowing species: (a) HNO, (b)S,0,(c) Caso ructure
Answers
The electron-bookkeeping method involves tracking the transfer of electrons, while the shortcut method relies on the knowledge of common oxidation number rules.
1. (a) In HI, hydrogen (H) typically has an oxidation number of +1, while iodine (I) has an oxidation number of -1.
(b) In CH4, hydrogen (H) has an oxidation number of +1, and carbon (C) has an oxidation number of -4.
(c) In SO2, oxygen (O) usually has an oxidation number of -2. By electron bookkeeping, we assign sulfur (S) an oxidation number of +4, as there are two oxygen atoms present, each with an oxidation number of -2.
(d) In CH3OH, oxygen (O) typically has an oxidation number of -2. By electron bookkeeping, we assign carbon (C) an oxidation number of -2, and hydrogen (H) retains its usual oxidation number of +1.
2.(a) In HNO3, hydrogen (H) has an oxidation number of +1, and oxygen (O) has an oxidation number of -2. Using the shortcut method, nitrogen (N) is assigned an oxidation number of +5 to balance the charges.
(b) In SO3, oxygen (O) has an oxidation number of -2. Using the shortcut method, sulfur (S) is assigned an oxidation number of +6 to balance the charges.
(c) In CaSO4, calcium (Ca) is typically assigned an oxidation number of +2, and oxygen (O) has an oxidation number of -2. Using the shortcut method, sulfur (S) is assigned an oxidation number of +6 to balance the charges.
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A 4 kg bowling ball is drop from rest at a height of 1 m. There is an unstretched spring below. Once the bowling
ball touches the spring, the bowling ball slows down as it compresses the spring. The spring constant is 490 N/m.
Find the velocity of the ball at position D (when the spring has compressed 0.2 m)
Answers
Answer:
M g H = 1/2 M v^2 + 1/2 K x^2
H = 1 + .2 = 1.2 m Left side is original potential energy that is converted to kinetic energy and potential energy (H given as 1.2 m)
v^2 = 2 g H - K x^2 / M
v^2 = 2 * 9.8 * 1.2 - 490 * .04 / 4 = 23.5 - 4.9 = 18.6 m^2 / s^2
v = 4.31 m/s
Which of the following is NOT a function of the skeletal system?
A. Support your body
B. Give shape to your body
C. Bring oxygen to your body
D. Protect your body
Answers
Hope this helps
And
The lasso, relative to least squares, is:A. More flexible and hence will give improved prediction accuracy when it increase in bias is less than its decrease in varianceB. More flexible and hence will give improved prediction accuracy when its increase in variance is less than its decrease in bias.C. Less flexible and hence will give improved prediction accuracy when its increase in bias is less than its decrease in variance.D. Less flexible and hence will give improved prediction accuracy when its increase in variance is less than the decrease in bias.
Answers
The lasso, relative to least squares, is more flexible and hence will give improved prediction accuracy when its increase in bias is less than its decrease in variance. Therefore, the correct option is A.
What is lasso regression?Lasso regression is one of the most popular methods for variable selection in linear regression. It is a modification of traditional regression analysis that involves adding a penalty for high-magnitude coefficients. The method is particularly useful when dealing with datasets containing large numbers of predictors.
The lasso is a more flexible method of regression than least squares and is more effective when the increase in bias is less than the decrease in variance. Thus, the correct answer is A. More flexible and hence will give improved prediction accuracy when it increase in bias is less than its decrease in variance.
By shrinking some of the coefficients to zero, it allows for the identification of significant predictors and can produce more accurate predictions. According to the question, the lasso, relative to least squares, is more flexible. It provides improved prediction accuracy when its increase in bias is less than its decrease in variance.
Therefore, option A is correct. In option B, the increase in variance should be less than the decrease in bias, which is incorrect. In option C, the lasso is less flexible, which is incorrect as well. In option D, the increase in variance should be less than the decrease in bias, which is incorrect.
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NEED HELP ASAP, WILL GIVE BRAINLIEST
Which is an example of convection currents?
marshmallows toasting over a campfire
a pot being heated by an electric burner
feet getting hot when stepping across sand
a radiator emitting warm air and drawing in cool air
Answers
Answer: A radiator emitting warm air and drawing in cool air.
This is due to the warm air expanding and begins to rise as it is less dense. The cool air begins to "fall" as it is denser, drawing nearer to the radiator. The radiator will then heat the cool air and it will rise. The process then continues
Answer:
It's D
Explanation:
Can't explain I'm taking a timed test(not including this question it wass related to what I looked up)
Byeee!
I hope this helped!
Adapt the velocity equation v=v0 + at to solve for average acceleration where the ball starts at t = 0.0 seconds and v0 = 0.00 meters/second
Answers
Answer:
The adapted expression for average acceleration is \(a = \frac{v}{t'}\).
Explanation:
Let be \(v = v_{o} + a\cdot t\), which can be adapted by using the following substitution:
\(t = t'-t_{o}\)
Where:
\(t'\) - Final instant, measured in seconds.
\(t_{o}\) - Initial instant, measured in seconds.
\(v = v_{o}+a\cdot (t-t_{o})\)
Where:
\(v\) - Final velocity, measured in meters per second.
\(v_{o}\) - Initial velocity, measured in meters per second.
\(a\) - Average acceleration, measured in meters per square second.
Now, average acceleration is cleared:
\(a = \frac{v-v_{o}}{t'-t_{o}}\)
Given that \(t_{o} = 0\,s\) and \(v_{o} = 0\,\frac{m}{s}\), then:
\(a = \frac{v}{t'}\)
Answer:
a = (v-v0)
____ where v = final velocity, v0
t
Explanation:
Using algebra, , where v = final velocity, v0 = initial velocity, and t = time. So,
= -9.3 m/s2.
can someone help me convert these?
Answers
Assuming you are supposed to write each conversion in scientific notation:
(2) 1 m = 100 cm, so
(67 cm) × (1/100 m/cm) = 67/100 m = 0.67 m = 6.7 × 10 ⁻¹ m
(3) 1 km = 1,000 m, so
(1.2 km) × (1000 m/km) = 1200 m = 1.2 × 10³ m
(4) 1 m = 1,000 mm = 10³ mm, so
(6.2 × 10 ⁻³ m) × (10³ mm/m) = 6.2 mm
(5) 1 m = 1,000,000,000 nm = 10⁹ nm, so
(4.05 × 10³ nm) × (1/10⁹ m/nm) = 4.05 × 10 ⁻⁶ m
(6) 1 g = 1,000,000 µg = 10⁶ µg, so
(3200 µg) × (1/10⁶ g/µg) = 3200 × 10 ⁻⁶ g = 3.2 × 10 ⁻³ g
The universe has existed for approximately A) 13.7 light-years. B) 13.7 billion years. C) 13.7 million years. D) 13.7 thousand years.
Answers
Answer:
B) 13.7 billion years
Explanation:
Light-years are a unit of distance and the units of million years and thousand years are too small.
the acceleration of an object is due to the net force on the object and the objects?
Answers
Answer:
The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object.
When you're super tired and you lose energy, what energy are you actually losing?
I said Physics class, but it's really for Science class.
Answers
Answer:
it is chemical energy
Explanation:
that is the energy used by our body, so it is the one that we will loose. and the energy that we gain is also chemical energy
A 16-year-old employee working for Southern Virginia College's (SVC) bookstore during the summer months is helping prepare for Fall sales. It's a good way to make extra money, and the teen is saving for a car.
Books from one supplier are shipped to the SVC bookstore in large crates equipped with rope handles on all sides. On one occasion, the teen momentarily pulled with a force of 713 N at an angle of 35.8° above the horizontal to accelerate a 114-kg crate of books. The coefficient of friction between the crates and the vinyl floor is 0.541.
Determine the acceleration experienced by the crate in m/s2. Use the approximation g ≈ 10 m/s2.
Answer: ___________ m/s2 (rounded to the hundredths or thousandths place)
Answers
The acceleration experienced by the crate is approximately 0.844 m/s
How to solve for the accelerationWeight of the crate:
Weight = mass × acceleration due to gravity
Weight = 114 kg × 10 m/s^2
Weight = 1140 N
Force of friction:
Force of Friction = coefficient of friction × normal force
Force of Friction = 0.541 × 1140 N
Force of Friction ≈ 616.74 N
Net force:
Net Force = Applied Force - Force of Friction
Net Force = 713 N - 616.74 N
Net Force ≈ 96.26 N
Acceleration:
Acceleration = Net Force / mass
Acceleration = 96.26 N / 114 kg
Acceleration ≈ 0.844 m/s
Therefore, the acceleration experienced by the crate is approximately 0.844 m/s
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A ball is thrown vertically into the air. Because of air resistance it's speed when it returns to Its starting starting level compared with its initial speed is_____
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A ball is thrown vertically into the air. Because of air resistance it's speed when it returns to Its starting starting level compared with its initial speed is lower.
Air resistance, also known as drag, is a force that opposes the motion of an object through the air. As the ball travels upwards, air resistance slows it down, reducing its speed. As the ball falls back to its starting level, air resistance continues to oppose its motion, further reducing its speed.
Therefore, the speed of the ball when it returns to its starting level will be lower than its initial speed due to the effects of air resistance.
In mathematical terms, the speed of the ball at any given time can be calculated using the equation v = v0 - gt, where v0 is the initial speed, g is the acceleration due to gravity, and t is the time elapsed. Air resistance adds an additional force that opposes the motion of the ball, reducing its speed even further.
So, the correct answer is that the ball's speed when it returns to its starting level compared with its initial speed is lower because of air resistance.
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The downward force acting on an object in free fall is the force of ___________
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What questions do you still have about supermassive black holes after watching this Ted Talk? Do you feel that you have a deeper understanding of what they are and why they are important, like was asked of you in the third question? Explain and discuss.
Answers
After watching the Ted Talk, there were still a few questions that I had about supermassive black holes. Firstly, I wanted to know more about the event horizon and what it exactly entails. Although the speaker briefly touched upon this subject, I would have appreciated a more in-depth explanation. Additionally, I would have liked to know more about the role of supermassive black holes in the universe.
While the speaker did mention that these black holes are responsible for the creation of galaxies, I wanted to know more about how this process works and why it is so important.Despite these questions, I do feel that I have a deeper understanding of supermassive black holes and their importance.From the Ted Talk, I learned that supermassive black holes are some of the largest objects in the universe and are essential for the formation of galaxies. I also learned that these black holes are incredibly powerful and have the ability to affect the trajectory of stars and planets.Overall, I think that the Ted Talk did a great job of explaining supermassive black holes in a way that was easy to understand. While there were still a few questions that I had after watching the video, I feel that I now have a better grasp of what supermassive black holes are and why they are so important.For such more question on supermassive
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Why do we dream? What causes you to dream?
Answers
Answer:
you dream because
Explanation: you sleep
The 2 Vectors shown in the image below are combined.What is the resultant quantity?
Answers
Option A is correct. The resultant quantity is 50m/s to the right.
Vector quantities are quantities that have both magnitude and direction.
From the diagram shown, we can see that 100m/s vector moves in the positive x-direction, this means that the of magnitude the vector is +100m/s.
For the vector 50m/s, we can see that it is moving in the negative x-direction, this shows that the magnitude of the 50m/s vector is -50m/s.
Resultant speed = +100 - 50
Resultant speed = +50m/s
Since the resultant speed is a positive value, this mean that the resultant quantity will be moving towards the right.
Hence the correct option will be 50m/s to the right.
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A car is moving at 30.0 m/s, east in a straight line approaching the red traffic light as shown. The
time it takes for the car to stop is .6 seconds.
What is the acceleration of the car?
Answers
Answer:
–5
Explanation:
u = 30m/s , v = 0(comes to a stop) , t = 6s, a = ?
a = v – u/t
a = 0 – 30/6
a = –30/6
a = –5
A car is moving at 30.0 m/s, east in a straight line approaching the red traffic light as shown. The time it takes for the car to stop is 0.6 seconds. The acceleration of the car is -5 m/s.
What is speed?Speed is defined as the pace at which an object's location changes in any direction. The distance traveled in relation to the time it took to travel that distance is how speed is defined.
Given
u = 30m/s ,
v = 0(comes to a stop) ,
t = 6s
To calculate acceleration we use formula
a = v – u/t
a = 0 – 30/6
a = –30/6
a = –5 m/s
Thus, a car is moving at 30.0 m/s, east in a straight line approaching the red traffic light as shown. The time it takes for the car to stop is 0.6 seconds. The acceleration of the car is -5 m/s.
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A runner runs 400 metres in 1 minute 20 seconds. What is his speed in m/s
Answers
Answer:
5m/s
Explanation:
400m/ 20+60s
= 400/ 80 m/s
5 ms-1
A new band sensation is playing a concert and recording it for a live album to be released this summer. Select all the statements that are true for band producing sound.
Answers
Producing sound as a band involves several factors that contribute to the quality of the music produced. Some of the key factors that determine the sound quality of a band include the musical instruments used, the skill and talent of the musicians, the acoustics of the venue, and the mixing and mastering of the final recording.
In terms of the statement provided, there are several true statements that can be made. Firstly, a new band sensation is playing a concert. This suggests that the band is relatively new and may not have a large following yet. Secondly, the concert is being recorded for a live album to be released this summer. This implies that the band is focused on producing high-quality music that can be enjoyed by fans even after the concert is over. Overall, it is clear that the band is committed to producing great music, and the recording of the concert is a testament to this commitment.
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Convert 30.0 degrees Celsius into Fahrenheit
Answers
a footballer took a penalty kick and ball moved with a velocity of 4mls, calculate the work done by the footballer if the mass of the ball was 40g
Answers
Answer:
Work done = 80 gm/s
Explanation:
Given:
Final velocity (v) = 4 m/s
Initial velocity (u) = 0 m/s
Mass of ball (m) = 40 g
Find:
Work done.
Computation:
Using work energy rule
Work done = Change in kinetic energy
Work done = 1/2[mv-mu]
Work done = 1/2[(40)(4) - (40)(0)]
Work done = 1/2[(40)(4)]
Work done = 80 gm/s
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In the Newton's ring experiment, the diameter of 4 and 10% dark ring are 0.30 cm and 0.62 cm, respectively. a) What is the diameter of 15th dark ring? b) Calculate the wavelength of the light, if the
Answers
Answer: In the Newton's ring experiment, the diameter of the 4th dark ring is 0.30 cm and the diameter of the 10th dark ring is 0.62 cm. We can use this information to find the diameter of the 15th dark ring and calculate the wavelength of the light.
Explanation:
In the Newton's ring experiment, the diameter of the 4th dark ring is 0.30 cm and the diameter of the 10th dark ring is 0.62 cm. We can use this information to find the diameter of the 15th dark ring and calculate the wavelength of the light.
a) To find the diameter of the 15th dark ring, we can use the formula for the diameter of the nth dark ring:
d_n = sqrt(n * λ * R)
where d_n is the diameter of the nth dark ring, n is the order of the ring, λ is the wavelength of the light, and R is the radius of curvature of the lens.
Since we want to find the diameter of the 15th dark ring, we can substitute n = 15 into the formula and solve for d_15:
d_15 = sqrt(15 * λ * R)
b) To calculate the wavelength of the light, we can use the formula:
λ = (\(d_10^2 - d_4^2\)) / (\(10^2 - 4^2\))
where d_10 is the diameter of the 10th dark ring and d_4 is the diameter of the 4th dark ring.
Substituting the given values, we have:
λ = (\(0.62^2 - 0.30^2\)) / (\(10^2 - 4^2\))
Simplifying this expression will give us the value of the wavelength of the light used in the experiment.
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