A basic truth of inheritance that had been known well before Darwin's time was that: Offspring frequently resemble their parents AND they inherit genes from their parents.
What is inheritance?Assets left to a person's heirs after their death are referred to as inheritance. Cash, investments like stocks or bonds, and other things like jewellery, cars, works of art, antiques, and real estate can all be included in an inheritance. Evolutionary transformation requires genetic inheritance. It explains how genes are transmitted down across generations. Therefore, it may initially appear odd that life history research rarely takes into account genetic inheritance. The most widespread types of inheritance include autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, multifactorial, and mitochondrial inheritance. Traits that are determined by the genes found on the autosomes are referred to as "autosomal."
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The complete question is as follows:
A basic truth of inheritance that had been known well before Darwin's time was that Select one:
a. Offspring inherit genes from their parents.
b. selective breeding improves domesticated plants and animals
c. Offspring frequently resemble their parents AND they inherit genes from their parents
d, Offspring frequently resemble their parents.
The graph shows the speed of a person riding a bicycle through a city. Which point (A, B, or C) on the graph is a place where the bicycle has speed but no acceleration? How do you know?
Answer:
Point C
Explanation:
At point c, he is moving at constant velocity.
change in velocity is zero, this acceleration is zero.
Why does momentum never change?.
The conservation of momentum principle states that the amount of momentum within a problem domain remains constant; momentum is neither created nor destroyed, but only changed by the action of forces as described by Newton's laws of motion.
What is momentum?The quantity of motion of the body is defined as momentum. It is measured by "mass velocity," because momentum depends on velocity, and it also depends on the direction of the body's motion. Momentum is a vector quantity because velocity is a vector and mass is a scalar quantity. Momentum equals mass multiplied by velocity. Momentum is defined as "mass moving." Momentum can be thought of as a body's "power" when it is moving, indicating how much force it can exert on another body. A bowling ball (large mass) moving slowly (low velocity), for example, can have the same momentum as a baseball (small mass) thrown quickly (high velocity).
Here,
According to the conservation of momentum principle, the amount of momentum within a problem domain remains constant; momentum is neither created nor destroyed, but is only changed by the action of forces as described by Newton's laws of motion.
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60N going vertically down
Calculate the magnitude and direction of the resultant force
The magnitude and direction of the resultant force is 25 N upwards.
What is the magnitude of the resultant force?
The magnitude of the resultant force is the sum of all the forces acting at a point.
To obtain the magnitude of the resultant force, we will sum all the forces acting on the object and considering the signs of the forces as well.
The sum of all the forces acting on the object is calculated as follows;
F ( net ) = F₁ + F₂
where;
F₁ is the force acting upwardsF₂ is the force acting downwardsF (net) = 85 N - 60 N
F (net) = 25 N upwards
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The complete question is below:
85 N force going vertically upwards and 60N going vertically down
Calculate the magnitude and direction of the resultant force.
How many grams is a mole?.
The carbon-12 isotope's theoretical atomic mass is given here (6 protons and 6 neutrons). As a result, 1 mole of carbon is exactly equal to the atomic mass or weight of carbon, which is 12 grams.
Pure carbon(^-12) have 12 grams weigh exactly one mole, which is equal to 6.022 x 10^23 atoms in that amount of carbon. • Avogadro's Number is the number of particles in a mole (6.0221421 x 10^23).
To translate molecular weights into grams, there are three processes.
The number of moles indicated in the question should be calculated.Calculate the substance's molar mass.Add the two values together.Learn more about mole Visit: brainly.com/question/2288624
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2. Look again at the image. Let's now assume that it depicts a girl hugging her father before he
leaves for a tour of duty overseas. How could you use science to study the impact of her father's
departure on her family? (2 points)
Assume for the moment that it shows a young child embracing her mother before he departs for a tour of service abroad. How would you employ science to analyse her effects.
What subjects does science study?What in physics is an energy?
The definition of energy is ability to do work," which is the capacity to apply a force that causes an item to move. organismal biology the study of sentient creatures Social science is the study of people and society.
How does science benefit you as a learner?photo of How might science be used for research,Students who study science get the chance to learn more about how and how things work. Children can learn about the environment they live in through science.
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Answer: The science I would use to study the impact of the father’s departure from her family would be interpretive sociology.
Explanation: The reason I chose this science is because it focuses on the cause of people’s actions.
a ___ is a device that converts electrical energy into a linear force.
A solenoid is an electrical output device that converts electrical energy into a linear mechanical force.
A solenoid is a device that uses an electromagnet made of a wire coil to transform electrical energy into mechanical energy. Electric current is used to generate a magnetic field, which is then used to generate linear motion in the device.
A solenoid functions by creating an electromagnetic field around an armature, which is a movable core. The electromagnetic field causes that armature to move, and as it does, it opens and closes valves or switches, converting electrical energy into mechanical motion and force.
Electronic paintball markers, pinball machines, matrix printers, and fuel injectors are among the devices that frequently use electromechanical solenoids. Solenoids are even present in some residential doorbells, wherein the armature strikes metal chime bars while the coil is electrified.
What is electrical energy?
Electrical energy is the force that results from the transfer of electrons between two points. Current or electricity is the flow of charged particles along or through a medium such as a wire. The basic unit of electrical energy is the joule, also known as the watt-second. Electric energy is used in things like lightning, batteries, and even electric eels.
What is mechanical energy?
Mechanical energy, also known as kinetic energy or potential energy, is the energy that an object possesses when it is in motion or the energy that an object stores as a result of its position. Renewable energy is also fueled by mechanical energy.
The combination of an object's stored energy (potential energy) and its kinetic energy (moving energy) results in mechanical energy. For example, turning a doorknob, breathing in and out, and hammering a nail.
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A ___ is a device that converts electrical energy into a linear mechanical force.
A particle moves 3. 0 m along a circle of radius 1. 5 m. Through what angle does it rotates?.
The rotation angle is 114.65° or 2.00 rad.
Circular motion is described as the motion of an object rotating along a circular orbit. Circular motion can be either uniform or uneven. In uniform circular motion, the angular velocity and speed of rotation are constant, but in nonuniform motion, the rotation speed is constantly changing.
The rotation angle is 114.65° or 2.00 rad. The arc length is given by the formula:
L=[tex]\frac{phi}{360} * 2pir[/tex]
set value
r=1.5m, L=3m
Phi, angle = 114.65°
So the angle to rotate is 114.65° or 2.00 radians.
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What is the angular momentum vector in an orbital motion Mcq?.
Angular momentum is a vector quantity whose direction is perpendicular to the plane of revolution.
What is angular momentum?Angular momentum is the rotational equivalent of linear momentum in physics. It is an important physical quantity because it is a conserved quantity—in a closed system, the total angular momentum remains constant. Both the direction and magnitude of angular momentum are conserved. The property of any rotating object given by moment of inertia times angular velocity is defined as angular momentum. It is the property of a rotating body determined by the product of the rotating object's moment of inertia and angular velocity. An object's angular momentum is the product of its rotational inertia and angular velocity. The angular velocity of an object is the rate at which it turns.
Here,
Angular momentum is a vector quantity with a perpendicular direction to the plane of revolution.
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How does lower latency benefit the users Brainly?.
Lower latency is the less delay during the journey of an object that's why it is always beneficial for a user.
If one have to cover a distance of 300 km, then he/she will chose a car of maximum speed 100 kmph, over the car of speed 50 kmph. Because car with more speed will make him/her able to reach the destination in 3 hours whereas the car with slower speed will take 6 hours. But if consider the factor of latency, that is the less delay in the path, than slower car can beats the faster car if it experiences the less delay or latency. There are various reason of delay, like traffic, congestion of the way bad condition of road, operational time of car, etc. If faster car go with a ling, and congested route with traffic whereas slower car go with the smooth route, then slower car can and does beat the faster car. That's why latency is more important than speed.
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Is melting point an intensive or extensive physical property?
Answer: Answer below :)
Explanation:
No, it is an intensive property: the melting (and boiling) point of water does not change with the amount of water
how does the north equatorial and south equatorial currents get their names?
The place of a north equatorial current is taken by the Monsoon Current. There is, however, an South Equatorial Current.
What are north and South equatorial currents?The South Equatorial Currents are ocean currents in the Pacific, and Atlantic, loose westerly with the trades north of latitude 22° S, it divides to form the East Africa Coastal Current, operating northward, and a south-flowing stream. correctly, equatorial-current systems comprise two westward-flowing currents approximately 600 miles
The North Equatorial Current (NEC) is a westward wind-driven current mostly detected near the equator, but the location varies from dissimilar oceans. Trade winds drive both North and South Equatorial Currents westward, thus conveying warm ocean-surface waters in that direction.
So we can conclude that The South Equatorial Current is a broad, westward flowy current that extends from the surface.
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if the rms value is 125 volts, what is the peak value?
The peak value is 176.77 volts. The crest value is another name for the peak value.
What does RMS value mean?The stable Potential Difference value that would produce the same amount of heat in a given resistance in a given time as A.C. voltage when maintained across the same resistance for the same time is known as the root mean square, or R.M.S. value, of Alternating voltage.
How can one determine peak value?Impedance and switching speed are increased to reach the peak voltage. Peak voltage is calculated along the horizontal axis, at the so-called crest of the waveform at the top of the waveform.
A positive peak value is what?The waveform thus reaches a positive peak value at 90 degrees and a negative peak value at 270 degrees in one full cycle. The peak value of an alternating waveform is the highest value it can reach in a single cycle.
Given:
RMS value = 125 volts
Peak value = RMS value × √2
Peak value = 125 × √2
Peak value = 176.77 volts
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Two charged objects are held 1 meter apart from each other. Then they are moved to 3 meters apart. How are the electrostatic force and gravitational force between them affected by this move?.
If two charged objects are moved from being one meter apart to being 3 meters apart. Electrostatic force and gravitational force will be weak.
If the distance between two charged objects is doubled and the magnitude of one charge is doubled, what happens to the force between the two?The square of the distance between the two charges has a negative square root effect on the force's magnitude. The attraction or repulsion therefore weakens and drops to one-fourth of its initial value when the distance between the two charges is doubled.
According to Coulomb's law, the force exerted by two charged particles is directly proportional to the sum of their charges and inversely proportional to their distance from one another. As a result, doubling the distance would result in a 4-fold reduction in force.
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Why a balloon expands as you blow into it.
A balloon expands as you blow into it because of the increase in pressure inside the balloon caused by the air you are blowing into it. When you blow air into a balloon, the air molecules inside the balloon are pushed closer together, increasing the pressure inside the balloon. As the pressure inside the balloon increases, the balloon stretches and expands to accommodate the extra air.
The balloon is made of a flexible material, such as rubber or latex, which allows it to stretch and expand as the pressure inside it increases. The balloon's material has elastic properties, which means that it returns to its original shape when the pressure is released.
The process of blowing air into a balloon can be compared to filling a tire with air. As you inflate a tire with a pump, the air molecules inside the tire are pushed closer together, increasing the pressure inside the tire. This causes the tire to expand and become larger, until it reaches the desired pressure.
In summary, a balloon expands as you blow into it because of the increase in pressure inside the balloon caused by the air you are blowing into it. The balloon's material has elastic properties, which allows it to stretch and expand as the pressure inside it increases.
How does a vibrating electric charge produce an electromagnetic wave?
Answer:
when an electrically charged particle vibrates. This causes a vibrating electric field, which in turn creates a vibrating magnetic field.
Explanation:
An electromagnetic wave begins when an electrically charged particle vibrates. This causes a vibrating electric field, which in turn creates a vibrating magnetic field. The two vibrating fields together form an electromagnetic wave.
How do you calculate torque multiplication?.
Torque is calculated using the formula, τ = r × F, where, r is the perpendicular distance, F is the force.
It is also described as the cross product of distance vector and force vector. Mathematically, τ = r × F = r F sinθ, where, θ is the angle between r and F.
For example, a force is applied to a particle free to rotate about a fixed axis. Force is divided into perpendicular and parallel components. Torque is pointed outward from the page and has the magnitude
τ = r F sinθ
Newton-meters, sometimes known as N.m, are the SI units for torque. Although these units are the same as joules, torque isn't considered to be work or energy, therefore N.m should be used instead.
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How do you calculate gravity in kg?.
Which of the following is NOT considered a moral value?
Ohonesty
O integrity
Orespect
Opriorities
Answer: Priorities
Explanation:
Having integrity means that you live in accordance to your deepest values, you're honest with everyone, Honesty is the quality of being truthful and transparent in all interactions, whether personal or professional. And Respect ties both honesty and integrity together making priorities not considered a moral value because a value is something outside influences can't change, while priorities can change.
A person pulls a 2.6-kg crate 36 m along a horizontal floor by a constant force Fp= 87 N which acts at a 38° angle as shown in Fig. 6-3. The floor is rough and exerts a friction force FFR = 51 N
Determine the total work done by combining each force acting on the crate
The total work done on the crate can be determined by calculating the work done by each force separately and then adding them together.
1. Work done by the applied force Fp = (Fp * cos(theta)) * d
where Fp = 87 N, theta = 38 degrees and d = 36 m
cos(theta) = cos(38) = 0.81915
Work done by Fp = (87 N * 0.81915) * 36 m = 2789.5 J
2. Work done by the friction force FFR = -(FFR * d)
where FFR = 51 N and d = 36 m
Work done by FFR = -(51 N * 36 m) = -1836 J
3. Work done by gravity
Work done by gravity = forcedistancecos(theta)
force of gravity = mg
where m = 2.6 kg and g = 9.8 m/s^2
Work done by gravity = 2.69.836cos(90) = 0 J
4. The total work done is the sum of the work done by each force:
Total work done = work done by Fp + work done by FFR + work done by gravity
Total work done = 2789.5 J + (-1836 J) + 0 J = 953.5 J
The total work done on the crate is 953.5 J.
A car changes its velocity from 45 km/h to 65 km/h in 3 s. Find the magnitude of its acceleration
Answer:Answer:
1.85m/s
Explanation:
initial velocity = 45km/h
final velocity = 65km/h
time = 3 minutes
we change that 45km/h is 12.5 m/s and 65km/h is 18.05 m/s
Formula:
acceleration = (final velocity - initial velocity)/time
Solution:
18.05-12.5=1.85m/s
At which angle torque is zero?
Answer:
Torque is zero when the angle between the force and the lever arm is [tex]0^{\circ}[/tex] or [tex]180^{\circ}[/tex].
Explanation:
Assume that the force in this question is applied on a lever. Let [tex]\theta[/tex] denote the angle between the force and the lever arm, and let [tex]r[/tex] denote the length of the lever arm.
The equation for the torque [tex]\tau[/tex] that this force [tex]F[/tex] exerts on the lever would be [tex]\tau = F\, r\, \sin(\theta)[/tex].
If [tex]0 \le \theta \le 180^{\circ}[/tex], [tex]\sin(\theta) = 0[/tex] either when [tex]\theta = 0^{\circ}[/tex] or [tex]\theta = 180^{\circ}[/tex].
Therefore, as long as neither the force [tex]F[/tex] nor the distance [tex]r[/tex] is zero, torque would be zero only if the angle [tex]\theta[/tex] is either [tex]0^{\circ}[/tex] or [tex]180^{\circ}[/tex].
Refer to the diagram attached. In torque calculations in general, [tex]\theta[/tex] is the angle between:
the force, andthe line joining the axis of rotation and the point where the force is applied.In the general case [tex]r[/tex] would measure the distance between this point and the axis of rotation.
Likewise, using the equation [tex]\tau = F\, r\, \sin(\theta)[/tex], torque would be zero when the angle [tex]\theta[/tex] is either [tex]0^{\circ}[/tex] or [tex]180^{\circ}[/tex].
What is rate Change example?.
The term "rate of change" refers to the pace at which one quantity changes in respect to another. Rate of Change = Change of Y = Change of X = Change of Distance = Change of Time = 1608042=802=401.
How would one define pace of change?How rapidly something changes over time is referred to as its rate of change, or ROC. Therefore, rather than the size of each change individually, it is the rate—or the acceleration or slowdown of changes. In finance, rate of change is employed to comprehend price returns and spot trend momentum.
A line's slope, rise over run, or change in over change in represent the rate of change for that line. A table's two points or a graph's slope triangle can be used to compute the slope.
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Is there mass in zero gravity?.
Yes, mass matters in zero gravity. Mass is the "amount of matter" that is constant regardless of the gravitational field in which the object exists.(even at 0g)
Mass is always the same, but weight can change depending on the amount of gravity acting on the object. Any two masses have a mutual attraction, and the greater the mass, the greater the attraction. Gravity holds everything together. If gravity suddenly becomes zero, all objects in the planet's gravitational field are lost in space. You will feel weightless. Whether measured on Earth or on the ISS, the mass does not change. Weight may change due to gravitational forces such as B. On the moon, the weight is reduced to one-sixth of what it is on Earth.
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Object 1 has a charge of -2. 3 x 10-6 c and object 2 has a charge of -4. 2 x 10-6 c. Calculate the electrostatic force between the two objects if they are 0. 099 m apart.
According to the question,the electrostatic force between object 1 and object 2 is -1.35 x 10-4 N.
What is the electrostatic ?Electrostatic is a branch of physics that deals with the study of electric charges at rest. It focuses on the forces that are generated between particles that are charged due to the presence of electrical fields. It is also known as the study of static electricity. Electrostatic studies the behavior of charged objects in an electric field, and the forces exerted on them.
The electrostatic force between two objects can be calculated using Coulomb's law which states that the force between two objects is proportional to the product of their charges and inversely proportional to the square of the distance between them.
Using this law, the electrostatic force between object 1 and object 2 can be calculated using the following equation:
F = (kQ1Q2)/d2
Where k is the Coulomb's constant (8.99 x 109 N.m2/C2), Q1 and Q2 are the charges of objects 1 and 2, respectively, and d is the distance between the two objects.
In this case, the force between the two objects is:
F = (8.99 x 109 N.m2/C2)(-2.3 x 10-6 C)(-4.2 x 10-6 C)/(0.099 m)2
F = -1.35 x 10-4 N
Therefore, the electrostatic force between object 1 and object 2 is -1.35 x 10-4 N.
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The amount of power required to move an object can be increased without changing the amount of work required. How can this happen?.
Answer : Yes it is possible to increase the power with out changing the amount of work.
What is power ?
-- The power is defined by the amount of power divided by the time.
-- This time is the one needed to do the work.
-- We can understand this issue by analyzing an example with numeric values.
Work = 500 [J]
Time = 5 [s]
Power will be:
Now if we change the time to 2 seconds:
As we can see, the power was increased without the need to change the work.
What is Joule ?
- A unit of work or energy in the International System of Units (SI); it is equal to the work done by a force of one newton acting through one metre.
-- Named in honour of the English physicist James Prescott Boule, it equals 107 ergs, or approximately 0.7377 foot-pounds
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What is the magnitude of 4i 3j?.
The magnitude of 4i 3j is 5 unit.
The definition of magnitude is the amount of a quantity. For example, the magnitude can be used to describe the difference in speed between a car and a bicycle. Additionally, it can be used to describe how far an object has traveled or how much of an object is represented by its magnitude.
To find the magnitude of a vector, we can use this following formula:
∥a∥ = √ ( x² + y² )
In this case, we are given that:
X = 4, Y = 3
Thus, the magnitude of the vector is:
∥a∥ = √ (4² + 3²)
∥a∥ = √25
∥a∥ = 5
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A car accelerate uniformly from ret and reache a peed of 28. 8 m/ in 5. 7. The diameter of a tire i 50. 6 cm. Find the number of revolution the tire make during thi motion, auming no lipping
The car accelerates uniformly, the tire will not slip and it will make 1.051 revolutions in the given time.
What is the motion?Motion is the act of changing position or direction. It is a phenomenon that can be observed in everyday life, such as the movement of a person walking, the waving of a hand, or the rotation of the Earth. Motion is also seen in the physical world, where objects move in different directions and speeds.
The number of revolutions the tire makes during this motion can be calculated by dividing the distance travelled by the circumference of the tire.
Distance Travelled = 28.8 m/s x 5.7 s = 165.76 m
Circumference of the tire = π x Diameter of the tire = 3.14 x 50.6 cm = 158.3 cm
Number of revolutions = Distance Travelled / Circumference of the tire = 165.76 m / 158.3 cm = 1.051 revolutions
Since the car accelerates uniformly, the tire will not slip and it will make 1.051 revolutions in the given time.
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Find the density of a box that has a mass of 22 g and a volume of 45 cm3.
What is the kinetic energy of a 45 kg object moving at 13 m sec?.
The Kinetic Energy for any of the object is 3802.5 J.
An object's kinetic energy grows as its mass does. The speed of the object is given by v. The relationship shown above shows that the kinetic energy of an item is directly proportional to the product of its mass and velocity.
Possible justification: Because of the strong relationship between kinetic energy and speed, an object's kinetic energy rises as its speed rises. Kinetic energy and speed have a nonlinear (square) proportional relationship (KE v2). 1.
The kinetic energy of an item increases by a factor of four as its speed doubles. 2. The kinetic energy of the object decreases by a factor of 4 as the object's speed is halved.
Here consider 45 kg = mass
v= 13 m/s
Here Kinetic Energy = ?
KE = 1/2mv^2
KE = 1/2(45)(13)^2
KE = 1/2(45)(169)
KE = 1/2(7605)
KE = 7605/2
KE = 3802.5 J
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Which drawing below shows the direction in which net energy is transferred as heat between an ice cube and the freezer walls when the temperature of both is −10°C? Explain your answer.
The image A shows the direction of the transfer of heat from the ice to the walls of the freezer.
What is heat transfer?As we approach the question that we here, the first law of thermodynamics would come to our minds, we know that energy can not be created nor destroyed but we can be able to convert the energy from one form to the other.
In this case, we know that the temperature of the walls of the refrigerator is about −10°C while the ice is at a temperature of about 0°C. This means that the ice would have a temperature that is higher and then the walls of the fridge.
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