The strength of the electric field will be 0.75 NC⁻¹ . Electric force F acted per unit positive electric charge q is known as the strength of the electric field.
What is the strength of the electric field?The electric, or Coulomb, force F exerted per unit positive electric charge q at any place, can be used to calculate the strength of an electric field E at any position.
It is given by;
E = F/q
The given data in the problem is;
q is the value of charge=6. 0 × 10⁻⁴C
F is the electric force = 4. 5 × 10⁻⁴ N
E is the strength of electric field=?
The electric field strength is found by the formula;
[tex]\rm E=\frac{F}{q} \\\\ \rm E=\frac{4.5 \times 10^{-4}}{6 \times 10^-4} \\\\ \rm E= 0.75\ N/C[/tex]
Hence the strength of the electric field will be 0.75 NC⁻¹ .
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Electrical energy is supplied to a string of lights. What forms of energy are lost?
Answer:
In what forms is the electrical energy that is supplied to a string of decorative lights dissipated? It is converted to thermal energy and light energy.
Answer:
Energy loss. When energy is transformed from one form to another, or moved from one place to another, or from one system to another there is some energy loss. This means that when energy is converted to a different form, some of the input energy is turned into a highly disordered form of energy, like heat.
Energy losses in lights are very large; most of the input energy is lost in the form of heat energy.
Explanation:
You get an email from Amazon that does not use your name, has some misspelled words in it, and
has an attachment. Be careful! This might be an example of:
O plagiarism.
O piracy.
O cyber bullying.
O phishing.
Answer:
plagiarism
Explanation:
thats the answer because plagiarism means: the practice of taking someone else's work or ideas and passing them off as one's own.
Thats the definition!!!
lmk if this helped
Answer:phishing
Explanation:the definition of phishing is: the fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.
Of the physical features listed, which is associated with the greatest earthquake hazard?.
How long will it take Mars to complete one full orbit? Mars is 228 million kilometers
away from the sun. The sun has a mass of 1.99 x 10^30 kg.
r = 2.28 x 10⁸ m
m = 1.99 x 10³⁰ kg
T = 4π²r³/G.m
T = 4π² (2.28 x 10⁸)³/(6.67 x 10⁻¹¹ x 1.99 x 10³⁰)
T = 3.53 x 10⁶ s
a
17. When a 50 cm long wooden log has a radius of 7 cm and a mass of 770g, what is
the density of the wood?
Answer:
The density is 1.1gcm3
True or False: GPS satellites broadcast signals down to Earth, which contain information about the position of the satellite, and the precise time of the signal transmitted from the satellite.
Answer:
true
Explanation:
based on a scientist's research it is proven true because they travel the exosphere and they give information to the weather people and is used for the latest technology. :>
A photon has 8. 0 × 10–15 J of energy. Planck’s constant is 6. 63 × 10–34 J•s. What is the frequency of the photon? 1. 21 × 1019 Hz 8. 3 × 10–20 Hz 1. 21 × 10–19 Hz 8. 3 × 1020 Hz.
Answer:
E = h f energy of Planck's photon where f is the frequency
f = 8.0E-15 / 6.63E-34 = 1.21E19 / sec
Which term best describes how the solar system formed?.
Answer:
Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula.
Explanation:
9. Why does water behave in this unusual fashion?
Answer:
Why does water behave in this unusual fashion? The atmospheric pressure decreases as the elevation increases. This affects the boiling point because at a higher elevation, when there is less atmospheric pressure, there is less energy holding the water particles in place.
Explanation:
9N 8N
forces: balanced or unbalanced
motion: yes or no
Answer:
Forces: unbalanced
Motion: yes
Explanation:
If one force is bigger than that means the forces are unbalanced.
if the forces acting on an object are greater than or equal to one, there will be motion.
koppen's climate classification system is based mainly on which two factors
Urgent!!
Hans lifts up a 185.1 kg barbell 1.42 m vertically from the ground.
He then puts it down. What work does Hans do to lift the barbell up to its highest point?
Answer:
he has to be strong enough to lift the barbel so maybe a bit of exercise each day.
Explanation:
why do elements in a group have similar chemical properies?
Answer:
Elements in the group have similar chemical properties. This is because their atoms have the same number of electron in the highest occupied energy level.
Explanation:
The distance of Saturn from the Sun is 1.43 x 1012 m, while the distance of Mars from the Sun is 2.28 x 1011 m. The period of revolution of Mars is 684 days. What is Saturn's period of revolution?
1. 10744 days
2. 904 days
3. 5000 days
4. 3346 days
Class 11th physics the charge of positive 7 microcoulomb is placed at the centre of two concentric sphere with radius 2cm and 4cm respectively what will be the ratio of flux through them
Given:
If the charge of +7 mC is placed at the centre of two concentric spheres with the radius 2.0cm and 4.0cm respectivelyNeed to find :
Ratio of the flux through them will be ?
Calculation:
Gauss law :- ø = q/Eₒ
1. For small sphere:- ø1 = q/Eₒ
2. For large sphere :- ø2 = q/Eₒ
=> ø1/ø2 = (q/Eₒ)/(q/Eₒ)
=> ø1/ø2 = 1/1
Ratio of flux is 1:1
How many tons of eagles are supported by the rabbit population?
In the predator-prey relationship between eagles and rabbits, the larger the population of rabbits, the more the number of eagles the rabbit population can support.
What is a predator-prey relationship?A predator-prey relationship is a relationship between two organisms in which one organism kills the other for food.
The organism that kills the other for food is the predator.
The organism that is killed for food is the prey.
In the relationship between eagles and rabbits, the eagles are the predators while the rabbits are the prey.
The larger the population of rabbits, the more the number of eagles the rabbit population can support.
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help me people( ◜‿◝ )♡
Answer:
4
Explanation:
the temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.
In the electric circuit below, light bulbs are placed at A, B, and C. When the switch is closed, all three light bulbs are lit.
What happens to Bulbs A and C if Bulb B burns out?
Both Bulbs A and C will go out.
Bulb A will go out, but Bulb C will stay lit.
Bulb C will go out, but Bulb A will stay lit.
Both Bulbs A and C will stay lit
Answer:
d)Both Bulbs A and C will stay lit
Help me please!!!!!!!
Answer:
A) Plasticine
Explanation:
Palestine doesn't take much strain to harden and its strain rate isn't sensitive, therefore making it perfectly plastic.
A 4.0×1010kg asteroid is heading directly toward the center of the earth at a steady 32 km/s. To save the planet, astronauts strap a giant rocket to the asteroid perpendicular to its direction of travel. The rocket generates 5.0×109N of thrust. The rocket is fired when the asteroid is 4.0×106km away from earth. You can ignore the earth’s gravitational force on the asteroid and their rotation about the sun.
how can the change that the molecular scale affect the Lakes Macro scale appearance
The molecules of water determines the macro scale appearance of the lake .
What is a lake?The term lake is used to describe any large body of water that is surrounded by land. We know that water is composed of molecules and the orientation of molecules affect the macro scale appearance of the water.
Hence, as the molecules of water change their orientation, the macro scale appearance of the lake changes likewise.
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In re imes 2015 What constitutes a wireless transfer of data from a digital camera over a network.
Any person can access the wireless network from any location Within the wireless broadcast and use the digital camera for data transfer.
What is wireless data transfer?The "Wireless network" is a network that is used to communicate with the help of communication signals which are connected to one another.
Likewise, the digital camera is also used to transfer the data images or videos on the network.
This connection is easy to use and its costs are also less in use and maintenance.
The advantage of a wireless network is that anyone can access the internet with the help of cellphones, mobile phones, and laptops without being connected by any wire.
Thus any person can access the wireless network from any location Within the wireless broadcast and use the digital camera for data transfer.
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The cloud of dust and gas where our solar system originated is called:.
Answer:
Solar Nebula
Explanation:
~About 4.6 billion years ago, the sun and planets formed together from a cloud of dust and gas in which was called the solar nebula.~
~The cloud surrounded the sun in a crust and then it broke apart, according to theory.~
Hope this Helps!
Darwin did not call his theory "evolution.” Instead, he called it "descent with
modification.” Why do you think he called it that?
Answer:
Darwin hardly ever used the word "evolution". He chose the phrase "descent with modification". He did not coin the term "survival of the fittest". He did not suggest that evolution was a form of progress.
Darwin defined evolution as 'descent with modifications' because he stated that the idea of evolution led to the formation of new species by genetic modification of the descent species and they shared a common ancestor.
What is meant by evolution ?Evolution is defined as the gradual and cumulative processes by which the traits of biological population and the diversities changed over time.\
Here,
Darwin did not call his theory "evolution". Instead, he called it "descent with modification.”
Darwin's theory stated that, the idea of evolution through which the traits of species changed over time so that new species are formed through genetic modifications from a common ancestor.
He also stated that the living things evolved as a result of the process of evolution can trace their descent to a common ancestor.
Darwin's theory about evolution was the theory of natural selection. He observed the different type of beaks in finches which was modified for a particular type of food. This led to the phenomenon of natural selection, in which the fittest species were selected to survive, according to the theory of descent with modification.
Hence,
Darwin defined evolution as 'descent with modifications' because he stated that the idea of evolution led to the formation of new species by genetic modification of the descent species and they shared a common ancestor.
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#SPJ2
If something is 50% efficient, how many joules of wasted energy will there be if 750J of energy is put in?
Answer:
375J of wasted energy
Explanation:
Efficiency=work output/work input×100%
50=w.o/750×100
750×50=100w.o
w.o=750×50/100
w.o=75×5
w.o=375J
Wasted energy=750J-375J
=375J
Aliter
If the machine is 50% efficient then it is also 50% inefficient
50%×750J=375J
A 750 kg roller coaster car drops from rest at a height of 90 m along a frictionless track. What is velocity of the roller coaster at the top of a second hill that is 60 m high? Show work
The velocity of the roller coaster at the top of the second hill is 24.25 m/s.
What is velocity?
Velocity is the rate of change of displacement. The s.i unit is m/s
To calculate the velocity of the coaster car, we use the formula below.
Formula:
mg(H-h) = mv²/2............... Equation 1Where:
m = mass of the coaster carH = Height of droph = Height of the second hillv = velocity of the roller coaster.From the question,
Given:
m = 750 kgH = 90 mh = 60 mg = constant = 9.8 m/s²Substitute these values into equation 1
750(9.8)(90-60) = 750(v²)/2Solve for v
375v² = 220500v² = 220500/375v² = 588v = √588v = 24.25 m/sHence, The velocity of the roller coaster at the top of the second hill is 24.25 m/s.
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A system in which only one particle can move has the potential energy shown in (figure 1). Suppose u1 = 60 j. What is the y-component of the force on the particle at y = 0. 5 m ?.
The y-component of the force on the particle at the given position is 120 N.
Electric force on the particle
The electric force on the particle is determined by applying Coulomb's law and work-energy theorem as shown below;
Fd = W
Where;
F is the applied forced is the distanceW is potentialF = W/d
F = 60/0.5
F = 120 N
Thus, the y-component of the force on the particle at the given position is 120 N.
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In a classical model of the singly-ionized helium atom, a single electron orbits the nucleus in a circular orbit of radius.
Yes, in a classical model of the singly-ionized helium atom, a single electron orbits the nucleus.
What is singly ionized helium?Singly ionized helium is an atom that has lost one electrons from its outermost shell. We consider its remaining electron like a hydrogen electron. There is only one difference between a hydrogen atom and a singly ionized helium atom which is the number of protons in the nucleus so the nucleus charge on singly ionized helium is -1.
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1. How fast is each cyclist going in units of meters per second*?
2. Which cyclist is going faster? How much faster is this cyclist going compared to the other one?
Answer:
1. a = 1m/s
b = 3m/s
2. b is faster by 2m/s
Explanation:
v (speed) = d/t
va (speed for cyclist a) = 5/5
1m/s
vb = 9/3
3m/s
comparison = 3 - 1 = 2
difference = 2m/s
cyclist b is going faster because they cover more distance in a second
The amplitude of the electric field component of an electromagnetic wave is increased from e to 3e. What is the corresponding change in the intensity of the wave?.
When the amplitude electric field increase from e to 3e, the intensity of the wave will increase by a factor of 9.
Intensity and amplitude electric field
The relationship between intensity and amplitude of an electric field given as;
I ∝ E₀²
[tex]\frac{I_1}{E_1_0^2} = \frac{I_2}{E_2_0^2}\\\\I_2 = \frac{I_1E_2_0^2}{E_1_0^2}[/tex]
where;
I is the intensity of the waveE is the amplitude electric fieldWhen the amplitude electric field increase from e to 3e[tex]I_2 = \frac{I_1 \times (3e)^2}{(e)^2} \\\\I_2 = 9I_1[/tex]
Thus, when the amplitude electric field increase from e to 3e, the intensity of the wave will increase by a factor of 9.
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