Laboratory worksheet
in this activity you will use the virtual laboratory to create an electromagnet to pick up paperclips. notice that there are many variables to test in this lab. there is a power supply, a core for the wire to wrap around, different types of wire, and different gauges or thicknesses of wire. the voltage can also be adjusted. for each trial, choose one variable to change.
pre-lab questions:
explain what it means when we say a substance is magnetic.
discuss the relationship between electric and magnetic fields.
what type of metals are known as ferromagnetic metals?
open the lab interactive and run a few trials changing the variables each time. decide which variable you want to change in order to make a strong electromagnet, and record it here. this will be your independent variable.
hypothesis
record your hypothesis as an "if, then" statement. (if the independent variable does this, then the dependent variable will do that. )
variables
list the independent (test variable), dependent (outcome variable), and controlled variables. be sure to change just one variable for each trial.
procedure
use the virtual laboratory to create an electromagnet, changing only your independent variable.
record the data and what each variable was set at for each trial.
record the number of paper clips the electromagnet picked up for each trial (this is the dependent variable and reflects the strength of the electromagnet).
repeat your trial three times. you should vary only the independent variable you chose.
data
record your data for each trial. be sure to change just one variable at time. this will allow you to see which variables will affect the number of paper clips collected.
trial size of wire gauge material of wire voltage number of winds resulting paper clips picked up
trial 1
trial 2
trial 3
post-lab questions
review your data. did your experiment support your hypothesis? explain your answer.
what role does voltage play in the formation or use of an electromagnet?
if you were able to keep the electromagnet that you created in your laboratory activity, what would be two possible uses for the electromagnet?
what is an advantage of using an electromagnet rather than a regular magnet?
Answers
A substance is considered magnetic if it generates a magnetic field or is attracted to a magnetic field.
The relationship between electric and magnetic fields is that when electric current flows through a wire, it creates a magnetic field around it. Ferromagnetic metals include iron, nickel, and cobalt.
For this lab activity, let's focus on the independent variable of wire gauge. The hypothesis can be: "If the wire gauge is decreased, then the electromagnet will pick up more paper clips."
Independent variable: Wire gauge
Dependent variable: Number of paper clips picked up
Controlled variables: Core material, wire material, voltage, number of wire turns
Follow the procedure in the virtual laboratory, altering only the wire gauge for each trial. Record the data in the table provided.
After completing the trials, analyze your data to see if it supports your hypothesis. Voltage plays a role in electromagnet formation by influencing the strength of the magnetic field generated around the wire. Higher voltage typically leads to stronger electromagnets.
Two possible uses for the electromagnet you created could be lifting metal objects in a recycling plant or sorting magnetic materials in manufacturing processes.
An advantage of using an electromagnet over a regular magnet is that the strength and direction of the magnetic field can be controlled by adjusting the current, whereas a regular magnet has a constant magnetic field.
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Related Questions
Facing north, a mountain range is on your right. Turning west, where will the mountain range
be?
Answers
Using the concept of direction, we got the mountain behind me when we turn West.
A mountain is an elevated portion of Earth's crust, generally with steep sides that show significantly exposed bedrock. Although definitions vary, a mountain may differ from plateau in having a limited summit area, and is usually higher than a hill, typically rising at least 300 meters (1,000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in the mountain ranges.
Mountains are formed through a tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, slumping, and other forms of mass wasting, as well as through erosion by rivers and the glaciers.
Hence, when we turn West, the mountain will be behind me.
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Part 1: Pesticide Spraying Case Study Duection of prevaring winds ABB Mied fores con lerous and deciduous Are White pines stand I An insect pest has attacked about 20 percent of the trees in a pure stand of white pine. In an effort to reduce his economic loss, the owner has his forest crop sprayed each spring with a relatively new pesticide. The species that he is trying to eliminate is normally preyed upon by other insects, a parasite, and song birds from nearby woods. To the south of his property is a bird sanctuary for rare species of waterfowl and the carnivorous osprey. He has been assured that natural barriers and the wind direction will keep the pesticide out of the wildlife area. The three areas shown on the diagram (Figure 1) were carefully studied over a five-year period by researchers from a nearby university, Insect populations were estimated, fish and bird populations studied, soil samples collected, and pesticide concentrations measured in an effort to determine the overall environmental influence of this new pesticide. The results are recorded in Table 1.
Answers
The owner sprays pesticide on white pine to control insects.
What was the environmental impact of a new pesticide?The owner of a pure stand of white pine forest crop, which has been attacked by an insect pest, sprays his crop each spring with a new pesticide to reduce economic losses. The species he is trying to eliminate is normally preyed upon by other insects, a parasite, and song birds from nearby woods. The forest stand is located next to a bird sanctuary for rare species of waterfowl and osprey. Researchers from a nearby university conducted a five-year study on the environmental impact of the pesticide, measuring insect populations, fish and bird populations, soil samples, and pesticide concentrations in three carefully studied areas shown on the diagram (Figure 1) to determine the overall environmental influence of the pesticide. The owner has been assured that natural barriers and wind direction will prevent the pesticide from reaching the wildlife area.
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How should the table be changed to correctly distinguish between mechanical and electromagnetic waves? Earthquake waves and radiation waves need to change places. Light waves and X-ray waves need to change places. Ocean waves and X-ray waves need to change places. Sound waves and light waves need to change places. ...the answer is D
Answers
Answer:
Electromagnetic waves are visible; mechanical waves are invisible. Electromagnetic waves always reflect; mechanical waves always refract.
Explanation:
Answer:
well you already answered yourself i don't see why you would waist points to do that but yes you are correct .
Explanation:
stay safe and where a mask 2021
kg. m
A tennis player hits a ball and gives it a change in momentum of 3.3 over 5.0 ms.
S
What is the magnitude of the net force on the tennis ball?
Answers
Answer:660
Explanation:
two buses are moving in the opposite directories with the velocities 36km/hr and 108km/hr .find the distance between them in 20 minutes.
Answers
The distance between the two buses is 48km.
Let us assume that the velocity of the first bus is 36 km/h and that of the second bus is 108 km/h.
To find the distance between them, we will consider that both buses move in opposite directions.
Distance travelled by bus 1 in 20 minutes = 36 km/h × 20 min ÷ 60 min/h = 12 km
Distance travelled by bus 2 in 20 minutes = 108 km/h × 20 min ÷ 60 min/h = 36 km
Total distance between them = distance travelled by bus 1 + distance travelled by bus 2= 12 km + 36 km= 48 km
Therefore, the distance between them in 20 minutes is 48 km.
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Cart A is pulled with a 2 Newton force for 2
seconds, and Cart B is pulled with a 1 Newton force
for 3 seconds. Which cart experiences the greatest
impulse?
Answers
The cart A experienced the greatest impulse.
The given parameters;
force exerted on Cart A = 2 Ntime of force action on cart A = 2 sforce exerted on cart B = 1time of force action on cart B = 3 sImpulse is defined as the product of the applied force and time of action of the applied force.
J = Ft
where;
J is the impulse
F is the applied force
t is the time of action
The impulse experienced by cart A;
J = 2 x 2 = 4 Ns
The impulse experienced by cart B;
J = 1 x 3 = 3 Ns
Thus, the cart A experienced the greatest impulse.
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a fashion designer decides to bring out a new line of clothing which reflects the longest wavelength of visible light. what color will these articles of clothing be to the human eye?
Answers
If a fashion designer decides to bring out a new line of clothing that reflects the longest wavelength of visible light, the articles of clothing would appear red to the human eye.
Visible light is a type of electromagnetic radiation that is visible to the human eye. It is made up of different wavelengths, and each wavelength corresponds to a different color. The longest wavelength of visible light is red, which has a wavelength of approximately 700 nanometers.
When light strikes an object, some of the wavelengths are absorbed by the object, and others are reflected. The wavelengths that are reflected determine the color of the object that we see. In the case of red clothing, the material is reflecting the longest wavelength of visible light, which is why it appears red to our eyes.
Different colors can have different psychological effects on people. For example, red is often associated with passion, energy, and excitement. It can also stimulate the appetite and increase heart rate. These effects are often used in marketing and advertising to influence consumer behavior.
In summary, if a fashion designer decides to bring out a new line of clothing that reflects the longest wavelength of visible light, the articles of clothing would appear red to the human eye. This color choice can have a powerful impact on the viewer's emotions and behavior.
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A polar bear is walk 31 miles north then 85 miles east then 16 miles west then 26 miles south. The bear completes his trip in 4 hours. What is the bears total distance traveled?
Answers
The air in your room is composed mostly of oxygen (O2) and nitrogen (N2) molecules. The oxygen molecules are more massive than the nitrogen molecules.Is the rms speed of the O2 molecules greater than, less than, or equal to the rms speed of the N2 molecules?A) greater thanB) less thanC) equal toChoose the best explanation from among the following:A) Equal temperatures for the oxygen and nitrogen molecules imply they have equal rms speeds.B) The more massive oxygen molecules have greater momentum and therefore greater speed.C) The temperature is the same for both molecules, and hence their average kinetic energies are equal. As a result, the more massive oxygen molecules have lower speeds.
Answers
Both oxygen (O2) and nitrogen (N2) molecule move at the same rms (root mean square) speed hence option C is correct.
The right response is Option C. Gas molecule rms speed is inversely related to mass and directly related to temperature. The average kinetic energy of the oxygen and nitrogen molecules are identical in this instance because their temperatures are the same. The average kinetic energy of gas molecules is exactly proportional to their temperature, according to the kinetic theory of gases. The average kinetic energy of the molecules of oxygen and nitrogen are therefore identical.
The oxygen molecules have a lower rms speed than the nitrogen molecules because they are more heavy. This is because the higher mass of the oxygen molecules causes the kinetic energy to be dispersed among fewer oxygen molecules. Consequently, while having the same temperature, the oxygen molecules move more slowly than the nitrogen ones. As a result, option C adequately explains why the O2 molecules' rms speed is lower than the N2 molecules'.
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To open a soda can lid, a force of 50 N is applied to a car key, which acts as a lever. If the car key applies a force of 400 N to the lid, then the mechanical advantage of the car key is ___.
a 12
b 10
c 6
d 8
Answers
Explanation:
Given. Required
wo = 400N. MA=?
wi = 50N
Solution
MA = wo = 400N =8
wi. 50N
what percentage of visible light is given off by a
100-watt incandescent lamp
A. 10 percent
B. 30 percent
C. 50 percent
D. 80 percent
Answers
Incandescent lamps typically emit around 10 percent of their energy as visible light, making option (A) the correct answer. The majority of the energy is released as heat rather than visible light due to the nature of incandescent lighting.
To determine the percentage of visible light given off by a 100-watt incandescent lamp, we need to compare the power of visible light emitted to the total power consumed by the lamp.
1. First, we need to understand that incandescent lamps primarily emit visible light but also generate heat.
2. The total power consumed by the lamp is given as 100 watts.
3. Incandescent lamps are known to have an efficiency of around 10-20%, meaning that only a fraction of the input power is converted into visible light.
4. Assuming an average efficiency of 15%, we can calculate the power of visible light emitted as a percentage of the total power consumed:
Power of visible light emitted = Efficiency * Total power consume = 0.15 * 100 watts = 15 watts
5. Now, to find the percentage of visible light emitted, we divide the power of visible light by the total power consumed and multiply by 100:
Percentage of visible light emitted = (Power of visible light emitted / Total power consumed) * 100 = (15 watts / 100 watts) * 100 = 15%
Therefore, the percentage of visible light given off by a 100-watt incandescent lamp is approximately 15%.
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Deepti was looking at the wire used to light a bulb. She saw that inside the plastic covering, there were thin metallic wires. How do the metal and the plastic help?
A.The metal and the plastic together produce electricity.
B.The metal does not bend and helps to keep the plastic stiff.
C.The metal and the plastic allow electricity to flow through the wire easily.
D.The metal allows electricity to travel easily and the plastic prevents shocks.
Answers
C. The metal and the plastic allow electricity to flow through the wire easily.
What is the importance of metallic wire?A conductor is a material that allows electricity to flow through it easily, with little resistance. Conductors are typically made of metal, such as copper or aluminum, and are used in electrical wires to transmit electrical signals and power.
The thin metallic wires inside the plastic covering are usually made of a conductor, such as copper or aluminum, which allow electricity to flow through them easily. The plastic covering, or insulation, protects the metal wires from touching each other and short-circuiting, which can cause electrical hazards, such as fires or shocks. The plastic also helps to keep the metal wires in place and protected from physical damage.
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The energy from 0.015 moles of octane was used to heat 250 grams of water. The temperature of the water rose from 293.0 K to 371.2 K. What is the enthalpy of combustion of octane? The specific heat capacity of water is 4.18 J/K g.
A. -1226 kJ/mol
B. -5448 kJ/mol
C. 293.25 kJ/mol
D. 1226 kJ/mol
Answers
Answer : The correct option is, (B) -5448 kJ/mol
Explanation :
First we have to calculate the heat required by water.
\(q=m\times c\times (T_2-T_1)\)
where,
q = heat required by water = ?
m = mass of water = 250 g
c = specific heat capacity of water = \(4.18J/g.K\)
\(T_1\) = initial temperature of water = 293.0 K
\(T_2\) = final temperature of water = 371.2 K
Now put all the given values in the above formula, we get:
\(q=250g\times 4.18J/g.K\times (371.2-293.0)K\)
\(q=81719J\)
Now we have to calculate the enthalpy of combustion of octane.
\(\Delta H=\frac{q}{n}\)
where,
\(\Delta H\) = enthalpy of combustion of octane = ?
q = heat released = -81719 J
n = moles of octane = 0.015 moles
Now put all the given values in the above formula, we get:
\(\Delta H=\frac{-81719J}{0.015mole}\)
\(\Delta H=-5447933.333J/mol=-5447.9kJ/mol\approx -5448kJ/mol\)
Therefore, the enthalpy of combustion of octane is -5448 kJ/mol.
Answer:
B.) -5448 kJ/mol
Explanation:
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100 POINTS AMD BRAINLIEST
Look at the image for the question, I really need help :(
The first blank is either:
Rachel! Brett
Second blank is:
greater, lesser
Third blank is either:
greater the masses of the two objects, the more the attraction between the objects
greater the masses of the two objects, the less attraction between the objects
smaller the masses of the two objects, the more the attraction between objects
Answers
Answer:
1. Rachel
2. greater
3. greater the masses of the two objects, the more the attraction between the objects
What is the maximum speed at which a car can safely travel around a circular track of radius 142 meters if the coefficient of friction between the tires and the road is 1.07? Include units in your answer. Answer must be in 3 significant digits.
Answers
Given that the radius of the circular path is r = 142 m and the coefficient of the friction is
\(\mu=1.07\)The condition for the car to travel safely is
Frictional force = centrifugal force
\(\mu mg=\frac{mv^2}{r}\)Here, m is the mass of the car and the acceleration due to gravity is g = 9.8 m/s^2.
v is the maximum speed of the car.
\(\begin{gathered} v=\sqrt[]{ugr} \\ =\sqrt[]{1.07\times9.8\times142} \\ =38.58\text{ m/s} \end{gathered}\)one end of a light inextensible string is attached to a tool box of mass 2.5 kg which is lying on a horizontal table. The string passing over a smooth pulley and is tied at the other end to a bag of mass 1.4kg as shown in the diagram
a. If the toolbox on the point of sliding, find the value for μ, the coefficient of friction.
b. Supposing the coefficient of friction between the tool boxe and the table is 0.20, calculate the acceleration of the system and the tension in the string gravity as 10 m per second square
Answers
Answer:
the answer is A
Explanation:
Why are images reflected from a rough surface not as clear as those reflected from a smooth
surface?
Answers
Answer:
Just as images are reflected from the surface of a mirror, light reflected from a smooth water surface also produced a clear image. ... Consequently, the outgoing rays are reflected at many different angles and the image is disrupted. Reflection from such a rough surface is called diffuse reflection and appears matte.
Explanation:
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You are trying to burn a leaf using a pair of you grandmother's old reading glasses. If the reading glasses are rated with a refractive power of 4.5 D, how far must you hold the glasses from the leaf in order to burn through the leaf as quickly as possible
Answers
To burn a leaf as quickly as possible using the reading glasses, they should be held at a distance of 0.22 meters (or 22 cm) from the leaf.
The refractive power of the reading glasses is given as 4.5 D, which means that the focal length of the glasses is:
f = 1/p
where p is the refractive power in diopters. Substituting p = 4.5 D, we get:
f = 1/4.5 D = 0.22 m
This means that the glasses will focus sunlight to a point at a distance of 0.22 meters (or 22 cm) from the lens.
To burn a leaf as quickly as possible, we need to position the glasses so that the focused sunlight falls on the leaf. This can be done by holding the glasses at a distance of one focal length from the leaf, which in this case is 0.22 meters (or 22 cm).
So, to burn a leaf as quickly as possible using the reading glasses, they should be held at a distance of 0.22 meters (or 22 cm) from the leaf.
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constriction is made in a clinical thermometer why
subject :science (energy)
Answers
Answer:
The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. It is easier for us to take reading. It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.
Explanation:
Hope it is helpful....
Answer:
constriction is made in a clinical thermometer because it prevents the thermometric liquid from running back into the bulb.
Plz do all of it i will give brainlest and thanks to best answer
plz do it right
Answers
Answer:
d
Explanation:
Answer:
Earth absorbs heat from the sun.
Explanation:
This radiation is absorbed by greenhouse gases which then radiate energy into all directions including downwards and thereby trapping heat in the atmosphere.
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Annie has a soccer ball and a kickball. She kicks each
ball with the same force. The soccer ball accelerates at 3
m/s-. and the kickball accelerates at 5 m/s2.
Use Newton's laws to describe why the kickball has a
greater acceleration.
Answers
The ball with less mass can acceleration more quickly when both ball have been kicked same force, according to Newton's second law. The soccer with a soccer ball because it accelerates more quickly.
Describe acceleration.Acceleration seems to be the measure of a change in velocity. Acceleration frequently, though not always, denotes a shift in speed. Even though the direction of it's own motion is fluctuating, an object moving at consistent speed in a circular path is still travelling forward.
Why does time accelerate up?A net force affects an object's motion; the more accelerated it undergoes, the greater the overall combined force. Positive net forces are required in order to accelerate at around the same proportion as less supermassive black holes.
Acceleration soccer ball,
a₁ = 3 m/s²
Acceleration of kickball,
a₂ = 5 m/s²
F = m a
m₁ a₁ = m₂ a₂
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classify each polynimal based on the number of terms it contains
Answers
Polynomials can be classified based on the number of terms is contains which may be monomial, binomial, or trinomial.
What are polynomials?Polynomials are algebraic expressions that contains a constant that is multiplied by one or more variables.
Monomials is a type of polynomial that has only one term. From the question, the monomial is 10xyz^3.Binomial is a type of polynomial that has only two terms. From the question, the binomial are 8x^2+0.25 and -x^2y^2+2y.Trinomial is a type of polynomial that has only three temrs. From the question, the trinomial are -2x^2-x+3.5 and x^3y^4+2x^2y-3z.Learn more about polynomials here:
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The complete question:
Classify each polynomials based on the number of terms it contains.
-2x^2-x+3.5
10xyz^3
-x^2y^2+2y
8x^2+0.25
x^3y^4+2x^2y-3z
Which is NOT a fossil fuel?
A)Coal
B)Oil
C)Wood
D)Natural gas
Answers
Answer:
wood because, Coal, oil and natural gas are examples of natural gas. Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen, usually consisting of certain quantities of methane and other constituents. therefore wood is not a fossil fuel
You are investigating the eruption history of a volcano. You find that the volcano has generated multiple lava flows that spread over large areas over the past 10,000 years. There is very little tephra. People in the nearby town remember the last eruption, when lava flows caused some forest fires. Based on this description, how would you classify the state of the volcano?
O Active Recently Erupting
O Active-Dormant
O Lurking
O Extinct
Answers
Based on the given information, the most appropriate classification for the state of the volcano would be "Active-Dormant."
The volcano's history of generating multiple lava flows over the past 10,000 years indicates that it has been active in the relatively recent past. The presence of lava flows that have spread over large areas suggests ongoing volcanic activity, although not necessarily in the immediate present.
Additionally, the mention of very little tephra (volcanic ash and fragments) indicates that the volcano is not currently experiencing explosive eruptions. Instead, it has been primarily characterized by effusive eruptions that produce lava flows.
The fact that people in the nearby town remember the last eruption, which caused some forest fires, further supports the classification of the volcano as active-dormant. While the volcano may not be actively erupting at the moment, the memory of the recent eruption and the potential for future volcanic activity suggests that it is still in a state of activity, albeit in a relatively dormant phase.
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Elvira throws a meatball at the wall. When the meatball hits the wall, it makes a sound. The kinetic energy of the meatball is transferred into the surroundings through what? (Hint: your answer should be a type of wave. )
Answers
Answer:
sound waves
Explanation:
The kinetic energy of the meatball is transferred into the surroundings through sound waves.
When the meatball hits the wall, the kinetic energy of the meatball causes vibrations in the wall and the surrounding air. These vibrations create sound waves which transfers the kinetic energy to sound energy until it runs out of energy.
When an object / medium vibrates, the particle of the object / medium starts to move. This movement of particles is called as sound waves. It is a type of mechanical wave.
Therefore, the kinetic energy of the meatball is transferred into the surroundings through sound waves.
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you drive a car forwrd with a constant speed. which of the following is true about the direction of the angular velocity of the wheels, w, relative to the direction the car is moving
Answers
The correct answer from the problem above about direction of the angular velocity of the wheels, ω, relative to the direction the moving car is:
The angular velocity of the wheels, ω is used to derive how quickly the wheel can rotate in a given period.
The correct answer choice is option b.
What is meant by angular velocity?An angular velocity can simply be defined as a vector quantity which determines how fast or the time rate a particular object revolve in relation to another point. From the context of the problem given above, the wheels of this moving object moves forward in a linear velocity below:
v = rω
Where:
v = linear velocity
r = radius
ω = angular velocity.
In conclusion, it can be therefore deduced from the explanation given above that angular velocity is the velocity along a circular path with respect to time rate.
Complete question:
You are driving a car forwrd with a constant speed. Which of the following is true about the direction of the angular velocity of the wheels, ω, relative to the direction the car is moving.
a. The greater the angular velocity of the wheels, ω, the lower the velocity of the car.
b. The angular velocity of the wheels, ω is used to derive how quickly the wheel can rotate in a given period.
c. a and b
d none of the above
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A block of mass 0.246 kg is placed on top of a light, vertical spring of force constant 5 125 N/m and pushed downward so that the spring is compressed by 0.098 m. After the block is released from rest, it travels upward and then leaves the spring. To what maximum height above the point of release does it rise
Answers
The maximum height (h) above the point of release that the block rises is approximately 0.196 meters.
1. Determine the potential energy stored in the compressed spring using Hooke's Law: \(PE_{spring} = 0.5 * k * x^ {2}\), where k is the force constant (5,125 N/m) and x is the compression distance (0.098 m).
PE_spring = 0.5 * 5,125 * (0.098)^{2} \(PE_{spring} = 0.5 * 5,125* (0.098)^2\)
≈ 24.605 Joules
2. When the block leaves the spring, all the potential energy stored in the spring is converted to kinetic energy (KE) of the block: \(KE_{block} \) = \(PE_{spring}\).
3. At the maximum height, the block's kinetic energy is converted into gravitational potential energy
\(PE_{gravity}\) : \(PE_gravity = m * g * h\), where m is the mass of the block (0.246 kg), g is the acceleration due to gravity (9.81 m/s²), and h is the maximum height above the point of release.
4. Equate the kinetic energy of the block to the gravitational potential energy at the maximum height: \(KE_{block}\) = \(PE_{gravity}\).
24.605 J = 0.246 kg * 9.81 m/s² * h
5. Solve for the maximum height (h): h ≈ 0.196 meters.
The block rises to a maximum height of approximately 0.196 meters above the point of release after being released from the compressed spring.
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The compound beam is fixed at A, pin connected at B, and supported by a roller at C. Draw the shear and moment diagrams for the beam.
Answers
The composite beam is supported by a roller at A, pin attached at B, and fastened at C. (See pic). The sheer and moment diagrams' figures are included.
At the intersection of "A" and "B," the shear force remains constant. in the Shear diagram, the first incline plane.
Linear shifts in shearing force are present between "B" and "C." The bending moment diagram thus reveals the parabolic shape.
The moment is 0 at point "B."
By calculating the shear force and bending moment at a specific place on a structural element, such as a beam, shear and bending moment diagrams are analytical approaches that are used in conjunction with structural analysis to help structural design.
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if rob believes that his father loves him unconditionally, why does he think he will have to do a lot extra chores to pay for the car?
Answers
Answer: Rob's father does love him unconditionally but he also just wants rob to have a successful future and be able to have money for his own car and other necessities needed for when he is on his own.
Explanation:
Does Sam's story give you any idea for how two taster parents might have a child who is a non-taster
Answers
Answer:
if sams answer is yes that they can have a child who is a non-taster then your answer is yes
Explanation:
if both parents are heterozygotes, 25% of their children can be nontaster.