First, we verified that magnet movement would induce a current. each time the magnet moved near the wire loop.
whether it was moving forward or in reverse, a current registered. when the magnet was stationary, a current of
milliamps was generated.
under normal magnet polarity, whenever the magnet was moving toward the loop, the induced current had a
v value, and a
v value if the magnet was moving in reverse. under reversed polarity, we found
the results to be exactly
in current direction, while the current maximums were
Answers
While the magnet become desk bound, a modern-day of milliamps turned into generated. we discovered the outcomes to be exactly in present day route, at the same time as the present day maximums have been 0, negative, positive, opposite, and the equal.
A magnet is a material or object that produces a magnetic field, which is a force that can attract or repel certain other materials, such as iron or steel. Magnets are characterized by their ability to attract ferromagnetic materials, which are those that contain iron, cobalt, nickel, or other magnetic elements.
Magnets can be natural, such as lodestone, or man-made, such as those made from alloys or magnets created by passing an electrical current through a coil of wire. They can be permanent or temporary, and can come in a variety of shapes and sizes, from small refrigerator magnets to large industrial magnets. Magnets have many practical applications, including in electric motors, generators, magnetic storage devices such as hard drives, and medical imaging equipment such as MRI machines.
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Complete Question: -
Use the drop-down menus to complete each description about the experimental results.
First, we verified that magnet movement would induce a current. Each time the magnet moved near the wire loop, whether it was moving forward or in reverse, a current registered. When the magnet was stationary, a current of milliamps was generated.
Under normal magnet polarity, whenever the magnet was moving toward the loop, the induced current had a value, and a value if the magnet was moving in reverse. Under reversed polarity, we found the results to be exactly in current direction, while the current maximums were .
Answer:
In order:
> 0
> Negative
> Positive
> Opposite
> The same
Related Questions
The flow of electricity from one place to another is called _____________. * 1 point Circuit Conductor Electrical Energy
Answers
Answer:
Circuit
Explanation:
because a roughly circular line, route, or movement that starts and finishes at the same place.
This question can be solved by using the concepts of electrical energy, electricity, circuit, and electric current.
The flow of electricity from one place to another is called "Electrical Energy".
The electric current or electricity is defined as the rate of flow of electric charges from one point to another point, along a path known as a circuit. Electrical energy is caused by the movement of electric charges or the electric current from one point to another point of the circuit.
Therefore, this flow of electricity or electric current from one place to another place is termed Electrical Energy.
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The attached picture shows examples of electrical energy.
what welding supply does stick typically employ (constant current or constant voltage)?
Answers
Stick welding typically employs constant current.
Constant current (CC) is a method of welding that uses a welding power source where the output current doesn't fluctuate much even when the resistance in the circuit changes.
In other words, the current remains constant while the voltage may change according to the conditions of the circuit. Constant current (CC) machines are typically used for stick welding.
What is stick welding?
Stick welding is a type of arc welding. The welding process involves striking an arc between a metal electrode and a workpiece. A metal electrode is a stick or a rod made up of a filler metal that has been coated in a flux coating. The flux coating performs many functions, including removing impurities, protecting the molten weld metal from contamination, and stabilising the arc.
Stick welding is often used for welding mild steel, cast iron, and stainless steel. Stick welding can be used in both indoor and outdoor welding applications.
Constant current : A constant current (steady current, time-independent current, stationary current) is a type of direct current (DC) that does not change its intensity with time.
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The power of a statistical test is its ability to detect statistically significant differences it is defined as 1-β
Answers
The power of a statistical test refers to its ability to detect statistically significant differences between groups or variables.
It is defined as 1-β, where β represents the probability of making a Type II error, or failing to detect a true difference. In other words, a high power value means that the test is more likely to correctly identify significant differences, while a low power value means that it is more likely to miss them. Power is influenced by a variety of factors, including sample size, effect size, and alpha level, among others. It is an important consideration when designing and interpreting statistical analyses.
The power of a statistical test is defined as the probability of rejecting the null hypothesis when it is false, or in other words, the probability of detecting a statistically significant difference when one actually exists. It is often denoted by the symbol "1-β", where β represents the probability of making a Type II error, which is the error of failing to reject the null hypothesis when it is false.
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if you hold a heavy weight over your head, the work you do __________.
Answers
Answer:
Is zero.
Explanation:
I legit just had this question on my homework.
Please answer all of these questions and you will get the brainlist
Answers
Answer:
1. L=mgh= 0.1x4x9.8=4.0J
2. L= 2x3x9.8=59J
how has evidence changed our views on the universe
Answers
Answer:
We found out more about how the universe had started (Big Bang theory), how the planets were created and how stars are born.
A hypothesis is a(n) ______________
An independent variable is__________
A dependent variable is___________
To determine the independent variable, what question can you ask yourself?
To determine the dependent variable, what questions can you ask yourself?
Answers
Answer:
It is an educated guess
Explanation:
let me know if the bottom ones need to be answered too.
please help! you are amazing! brainliest!
The NGC 3603 region of space is shown below. It is a cloud of gas and dust. Stars are forming in this cloud. How would NGC 3603 be classified?
A. As a nebula
B. As a galaxy
C. As a planet
D. As a solar system
Answers
The NGC 3603 region of space is shown below. It is a cloud of gas and dust. Stars are forming in this cloud. The NGC 3603 be classified as a nebula. The correct option is A.
What is a nebula?A tiny, ball-shaped nebula is known as a planetary nebula. It generates an ionized gas that is luminous. Large and typically erratic clouds are produced by diffuse nebulae.
Due to their big stars, they typically form a cluster of stars. a cloud of gas in space that can be seen in the night sky as a vaguely discernible brilliant patch, as something black, or as a shadow against other luminous objects.
Dust and gases, primarily hydrogen and helium, make up nebulae. The mass of gas and dust eventually grows so large that it is forced to collapse by gravity. The material in the cloud's core heats up as a result of the collapse, and this hot core is the start of a star.
Therefore, the correct option is A. As a nebula.
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Directions: Follow the steps below to help you understand electrical charges.
Materials
You will need: a plastic bag, two long rubber bands, a thin aluminum pie tin, a wool scarf or glove, and a friend or family member to assist you.
• STEP 1: Stretch the rubber bands across the pan-they should cross one another. Lay the bag flat on the table and rub it several times with the wool.
• STEP 2: With one hand, lift the pan by the rubber bands; be sure to keep your fingers from touching the pan,
• STEP 3: Bring the pan and the bag together. While they are together, ask someone to touch the pan quickly. What happens?
• STEP 4: Now take the pan away from the bag, still keeping your fingers from touching the pan. Right away, bring the pan up to your nose. What do you feel?
What do you hear?
• STEP 5: Now complete Steps 1-4 again, but do them in a dark room or closet. Ask a friend or family member to be in the room with you-what did he or she see
when you brought the pan to your nose?
Using the Text Editor, explain your observations and what happened during this experiment. What was happening to the electrical charges during the experiment and
why?
Answers
In this experiment, rubbing a plastic bag against wool allowed electrons to move back and forth between the two, creating a negative charge on the bag. When the negatively charged bag was brought close to the neutral PAN, the bag's negative charge attracted the PAN's electrons, separating the two charges and leaving the PAN with a positive charge. On touching the pan the surplus positive charge was neutralized, creating a spark.
When the pan was brought up to the nose a slight jolt was felt and a crackling sound was heard. This resulted in the excess charge in the pan being carried through the air to the nearest conductor, the person holding the pan.
The spark and shock were easy to see in a dark environment as there was no ambient light to obstruct the view. The blow was more pronounced and distinct, and the spark appeared as a bluish glow.
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How many days does the earth take to rotate around the sun
Answers
Answer:
1 day
Explanation:
The spinning movement of Earth around its axis is known as Earth's rotation.
The Earth rotates around the Sun in 1 day that is 24 hours but once in every 23 hours, 56 minutes, and 4 seconds with respect to other stars.
According to the Indian astronomer Aryabhata, Earth rotates about its axis daily.
Contrast series and parallel circuits in terms of what they look like and how they calculate Equivalent resistance
Answers
In a parallel circuit, the voltage across each of the components is the same, and the total current is the sum of the currents through each component.
Let's see
For series connection
\(\\ \rm\Rrightarrow R_{eq}=R_1+R_2+R_3\dots\)
For parallel connection
\(\\ \rm\Rrightarrow \dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+\dfrac{1}{R_3}\dots\)
(ii)
Calculate the amount of energy required to melt 15 kg of ice at 0 °C.
Specific latent heat of fusion of ice = 3.4 x 10J/kg.
Answers
(I think there is a power of 5 missing on your number)
1)What is the kinetic energy of a 2100 kg car traveling at a speed of 30 m/s ( 65 mph)?
2)From what height would the car have to be dropped to have this same amount of kinetic energy just before impact?
Answers
The kinetic energy of the car is 945,000 joules.
The car would have to be dropped from a height of 94.3 meters (310 feet) to have the same amount of kinetic energy just before impact.
The formula for kinetic energy is
KE = (1/2)mv^2
where m is the mass of the object and v is its velocity.
Substituting the given values
KE = (1/2) x 2100 kg x (30 m/s)^2 = 945,000 joules.
To find the height from which the car would have to be dropped, we can use the formula PE = mgh, where PE is potential energy, m is mass, g is the acceleration due to gravity (9.8 m/s^2), and h is height.
Equating the potential energy to the kinetic energy found in we get mgh = 945,000 joules.
Solving for h, we get h = 945,000 joules / (2100 kg x 9.8 m/s^2) = 94.3 meters (rounded to one decimal place).
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a charge is placed 33 cm away from another charge. the charges are both 1.2 x 10^-5 coulombs. what is the force on each other
Answers
1.44*10^-3N is the force on each other. when 33 centimeters separates one charge from another charge. They both have charges of 1.2 x 10-5 coulombs.
Charge on the first sphere, q 1 =1.2 x 10^-5 C
Charge on the second sphere, q 2 =1.2 x 10^-5 C
Distance between the spheres, r=30cm=0.3m
F= 4πε
q 1 q 2/ r2
Where, ε 0
= Permittivity of free space 4πε 0
=9×10^9Nm2
F= (0.33) 2
1.2 x 10^-5 * 1.2 x 10^-5 C = 1.44*10^-3N
Hence, force between the two small charged spheres is 1.44*10^-3N.
The charges are of same nature. Hence, force between them will be repulsive.
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A missile has a guidance device which is sensitive to both temperature, t C, and humidity, h. The range in km over which the missile can be controlled is given by Range R = 27800-5t2-6ht-3h2 + 400t + 300h. What are the optimal atmospheric conditions for controlling the missile? (You must show the proper calculus 3 work to show optimality.) (5pts)
Answers
A missile has a guidance device which is sensitive to both temperature, t C, and humidity, h. The range in km over which the missile can be controlled is given by Range R = 27800-5t2-6ht-3h2 + 400t + 300h. the optimal temperature is 43.75°C and optimal humidity is 6.25
Range R = 27800 - 5t² - 6ht - 3h² + 400t + 300h
Where, R is the range over which the missile can be controlled. t and h are the temperature and humidity respectively.
The optimal atmospheric conditions for controlling the missile.
We need to find the optimal value of t and h that will maximize the range of missile, i.e., the optimal value of R.
To find optimal values, we need to find the partial derivative of R w.r.t both t and h and equate them to zero.
Partial derivative of R w.r.t t: ∂R/∂t= -10t -6h + 400
Partial derivative of R w.r.t h: ∂R/∂h= -6t - 6h + 300
Now, equate both to zero to get the optimal values of t and h:
∂R/∂t= 0 => -10t - 6h + 400 = 0=> 10t + 6h = 400 -----(1)
∂R/∂h= 0 => -6t - 6h + 300 = 0=> t + h = 50 ----- (2)
Multiplying equation (2) by 6 and adding it to equation (1), we get:
10t + 6h = 400...........(1)
6t + 6h = 300...........(2)
-----------------------16t = 700=> t = 43.75
Using equation (2), h = 50 - t= 50 - 43.75= 6.25
Thus, the optimal temperature is 43.75°C and optimal humidity is 6.25, i.e., the optimal atmospheric conditions for controlling the missile is 43.75°C temperature and 6.25% humidity.
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What is the number at the end of an isotope’s name? atomic number neutron number mass number electron number
Answers
Answer:
C) mass number
Explanation:
I got it correct on edge
Answer: c
Explanation:
.A person pushes a heavy cabinet across a level wooden floor. Force X is the force required to start the
cabinet moving. Force Y is the force required to maintain a slow, steady forward motion.
Which of the following statements describes the two forces, X and Y?
O
A. Force X is added to force Y
B. Force X is less than force Y
C. Force X is unrelated to force Y
O
D. Force X is greater than force Y
Answers
Answer:
A because both force are required to move the cabinet . force x to make sure the movement also force y to make sure it moves in directed motion
how to test the pH level of a soap?
Answers
Answer:
One of the most common is to use pH strips.
Explanation:
what type of matter is always made up of only one kind of atom
Answers
It is impossible to break down an element into a simpler substance since it is a pure material made up of only one type of atom.
An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.
list two animals that migrate to the clearing
Answers
f) if the red laser has a wavelength of 633 nm, what is the speed and wavelength of the red light in the plastic?
Answers
The speed of light in a medium, such as plastic, is given by the equation v = c/n, where v is the speed of light in the medium, c is the speed of light in vacuum (approximately 3 x 10^8 m/s), and n is the refractive index of the medium. To determine the speed of red light in plastic, the refractive index of the specific plastic material must be known.
The wavelength of light in a medium can be determined using the equation λ = λ0/n, where λ is the wavelength of light in the medium, λ0 is the wavelength of light in vacuum, and n is the refractive index of the medium. Given that the red laser has a wavelength of 633 nm (633 x 10^-9 m) in vacuum, the wavelength of red light in plastic can be calculated using the refractive index of the plastic material.
In conclusion, to determine the speed and wavelength of red light in plastic, the specific refractive index of the plastic material needs to be known.
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Which statement is not true for displacement?it cannot be zeroits magnitude is greater than the distance travelled by the objectit can be zeroits magnitude is less than the distance travelled by the object
Answers
Answer:
The answer is: It cannot be zero.
Explanation:
Displacement is the change in position of an object. Displacement can be 0 because the object just wouldn't move and its initial position and final position remain the same.
When entering an expressway, in the acceleration lane you should: A search for a gap in traffic and adjust your speed to the speed of the traffic. B set the cruise control for highway speed. C make a complete stop and check traffic for a suitable gap. D get as close to the vehicle ahead as possible so you can merge into the same gap.
Answers
Answer:A
Explanation: search for a gap in traffic and adjust your speed to the speed of the traffic.
HELP ILL GIVE BRAINLYIST Compare the interaction between light and two different materials: a reflective glass mirror and a transparent glass block. How did the light behave differently
Answers
Answer: See Below
Explanation:
A reflective glass mirror will reflect all the components of white light and not allow visible light to pass through.
A transparent glass block will allow light to pass through with some refraction.
The table below describes some methods used to generate electricity. What is method 2?
Answers
The table below describes some methods used to generate electricity. The method is hydropower.
What is hydropower?Hydropower is defined as one of the first and biggest renewable energy sources, which produces power using the free flow of moving water. About 17% of all electricity is produced via hydropower.
The most effective way to produce electricity is by hydropower since only 5% of the energy of flowing water is turned into other forms of energy, including heat, while 95% is converted into electricity. Fossil fuels, nuclear energy, and renewable energy sources are the three main types of energy used to generate electricity.
Thus, the table below describes some methods used to generate electricity. The method is hydropower.
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In ionic bonding , atoms _____
Answers
Answer:
atom is formed by sharing
Explanation:
Answer:
sharing or transferring
A cement mixer with a radius of 2 m spins with a tangential velocity of 0.4 m/s. Determine the centripetal acceleration of a piece of dried cement stuck to the inside wall of the mixer.
Answers
Answer:
\(a=0.08\ m/s^2\)
Explanation:
Given that,
The radius of the mixer, r = 2 m
Tangential velocity of the mixer, v = 0.4 m/s
We need to find the centripetal acceleration of a piece of dried cement stuck to the inside wall of the mixer. The formula for the centripetal acceleration is given by :
\(a=\dfrac{v^2}{r}\\\\a=\dfrac{(0.4)^2}{2}\\\\a=0.08\ m/s^2\)
So, the centripetal acceleration is equal to \(0.08\ m/s^2\).
Another piece of copper has a volume of 7 cm3 what is its mass?
Answers
The mass of a piece of copper that has volume of 7\(cm^{3}\) is 62.58g.
A piece of copper has a volume of 7 \(cm^{3}\), find what is its mass?The element copper (Cu) is a reddish, very ductile metal belonging to Periodic Group 11 that has an exceptional ability to conduct heat and electricity. In nature, copper can be found in its free metallic state.
Given,
Volume = 7 cm^3
we know that,
The density of copper is 8.960g/cm^3 in room temperature.
Density = mass / volume
Mass = Density x Volume
Mass = 8.960 x 7
Mass = 62.72 g
Mass of copper has a volume of 7 cm^3 is 62.72g.
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As you drive, a passenger in your car records your speed at 10-second intervals. The passenger records the following data: {(0 s, 18 m/s), (10.0 s, 18 m/s), (20.0 s, 18 m/s),
(30.0 s, 18 m/s), (40.0 s, 18 m/s)}. Using a graph of the velocity as a function of time, determine your displacement between t = 10.0 s and t = 35.0 s.
Answers
The velocity as a function of time is 0, and displacement between t = 10.0 s and t = 35.0 s is 0.
How to find velocity and displacement?The vector quantity velocity (v), denoted by the equation v = s/t, quantifies displacement (or change in position, s), over change in time (t).
as S= 0, then
\(V_{total}\) = \(\frac{ Final Speed - initial speed}{total_time }\)
V=0.
Displacement is defined as the final position minus the starting position.
Displacement = Final distance- initial distance
S= 0
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Label the graph below with the appropriate phrase.Question 5 options:TimeFaster and faster growth as population becomes largerPopulation sizeSlow growth when population is small1.A. 2.B. 3.C4.D
Answers
Looking at the graph and its missing parts, we can identify the following items to fill each box:
A. Population Size.
Since the population size is a dependent variable in relation to time, we should use it in the vertical axis.
B. Slow growth when population is small.
In the first part of the graph, the population is small and also grows slowly.
C. Faster and faster growth as population becomes larger.
In the final part of the graph, the population is big and also grows fast.
D. Time
Since the time usually is an independent variable, we should use it on the horizontal axis.