A fuel injection system that does not use a sensor to measure the amount (or mass) of air entering the engine is usually called speed density type of system.
What is speed density fuel injection system?Speed density fuel injection system is a fuel delivery method.
This system relies on a combination of sensor and an intake air temperature sensor to measure the amount (or mass) of air entering the engine.
Thus, a fuel injection system that does not use a sensor to measure the amount (or mass) of air entering the engine is usually called speed density type of system.
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A rock with a mass of 10. 0kg falls 25. 0m to
the ground. What is the work done by the
gravitational force if the weight of the ball
is 98. 0N?
Answer:
Explanation:Potential Energy is the stored energy of an object given its position relative to a body. Gravitational potential energy is one type of potential energy and is equal to the product of the object's mass (m), the acceleration caused by gravity (g), and the object's height (h) as distance from the surface of the ground (the body).
mass m of 3 kilograms falling at gravity g of 9.81 meter per second squared from a height h of 5 meters. Solve for potential energy Pe with the equation PE equals m times g times h
In this example, a 3 kilogram mass, at a height of 5 meters, while acted on by Earth's gravity would have 147.15 Joules of potential energy, PE = 3kg * 9.81 m/s2 * 5m = 147.15 J.
9.81 meters per second squared (or more accurately 9.80665 m/s2) is widely accepted among scientists as a working average value for Earth's gravitational pull. This figure is based on a measure of gravity at sea level at a latitude of 45°.
At higher altitudes, gravity decreases slightly.
The effect of latitude on gravitational force is relevant as gravity increases with increasing distance from the Equator. At the Equator, the Earth's gravity is 9.780 m/s2 and at the poles it is 9.832 m/s2 (source: CRC Handbook of Chemistry and Physics).
Gravitational acceleration (to three significant figures) for other planets and bodies in the solar system is as follows:
m/s2 gn*
Sun 274 27.9
Mercury 3.70 0.38
Venus 8.87 0.90
Earth 9.81 1.00
Moon 1.62 0.17
Mars 3.71 0.38
Jupiter 24.9 2.54
Saturn 10.44 1.06
Uranus 8.87 0.90
Neptune 11.15 1.14
Pluto 0.58 0.06
(table source: NASA)
*Standard gravity (gn). 1.00gn is equal to 9.80665 m/s2
please help me I’ll make u brainliest
A 1 liter jar contains 0.5 moles of gas at a pressure of 2 atm. What is the temperature of the gas?
What is the volume of a
container of 4 moles of gas at 200 K with a pressure of 3 atm?
Your scientist friend is trying to figure out how many molecules of gas are in a container. They know that the container has a volume of 5 liters, and they measured the pressure and temperature to be 3.5 atm and 275 K. From this information, what do you tell them the mole measurement should be?
Explanation:
A) PV = n RT
2* ( 1) = .5 (.082057)(T) T is in Kelvin
T = 48.7 K
B) PV = nRT
3 * V = 4 ( .082057)(200)
V = 21.88 Liters
C) PV = nRT
3.5 (5) = n (.082057)(275) n = .776 moles
What is the moment of inertia?
How do you calculate moment of inertia for a mass on a stick?
If a stick has no mass, but it is 3 meters long, and on each end is a 2kg mass, how much inertia does the mass have it if the axis of rotation is perpendicular through the center of the stick?
https://openstax.org/books/university-physics-volume-1/pages/10-5-calculating-moments-of-inertia
the link is supposed to be used for this but im confused so please help and i gotta fill up a whole page with notes except the calculus parts
stick is like a rod
So
[tex]\\ \rm\Rrightarrow I=\dfrac{ML^2}{12}[/tex]
[tex]\\ \rm\Rrightarrow I=\dfrac{2(3)²}{12}[/tex]
[tex]\\ \rm\Rrightarrow I=\dfrac{9}{6}[/tex]
[tex]\\ \rm\Rrightarrow I=\dfrac{3}{2}[/tex]
[tex]\\ \rm\Rrightarrow I=1.5kgm^2[/tex]
hello people ~
64 drops each having the capacity C and potential V are combined to form a big drop. If the charge on the small drop is q, then the charge on the big drop will be
(a) 2q
(b) 4q
(c) 16q
(d) 64q
Answer:
64q
Explanation:
Note that
Charges are addaptive quantitiesHere
Capacitance C and potential V is given
We know
Q=CVSo charge is also same
Now
there are 64 drops so 64q charge
Jasmine makes a note card about series circuits. she records the points shown. a 2 column table with 1 row. the column on the left is labeled advantages with entries (1) they are simple to design and build. the second column is labeled disadvantages with entries (2) each source of current used adds more current to the circuit, (3) the more bulbs are added the dimmer the bulbs are, (4) if one bulb goes out they all go out. which change will correct the error on her note card? switching the headings on the columns adding the title parallel circuits moving point (2) into the advantages column moving point (4) into the advantages column
Jasmine need to correct the error by switching the headings on the columns adding the title parallel circuits.
What is a parallel circuit?A parallel circuit is a circuit in which the components are connected to a common junction. This implies that if one bulb goes out in a parallel connection, all the bulbs will go out.
As such, Jasmine need to correct the error by switching the headings on the columns adding the title parallel circuits.
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This is my physics homework
Answer:
Option B is the correct answer
Explanation:
Atomic number of Americium is 95 however in option B it is given as 94.
Thus, option B is the correct answer.
Make a prediction.
Which surface causes the most friction?
a) wood b) tile c) carpet
What planet is famous for the beautiful rings that surround it?.
Based on the information presented in the introduction of this problem, what is a sound wave?.
Sound wave is the wave produced when two objects are made to struck each other.
What is a wave?A wave is the form of ups and down line in sinusoidal wave which undergoes compression and rarefaction when striked by any obstruction.
The vibrations are caused by the disturbance of any object. These vibrations when produce sound along with vibrations.
For example: when a bell is rang, marching on the bridge by soldiers, stretching the spring about the equilibrium.
Thus, sound wave is the wave produced when two objects are made to struck each other.
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Hello people ~
The capacitance of a capacitor will decrease if we introduce a slab of:
(a) copper
(b) aluminium
(c) zinc
(d) None of these
Answer:
Copper
Explanation:
Capacitance is directly proportional to dielectric constant
Aluminium and zinc are highly reactive and have high dielectric contact.
Copper has less dielectric constant hence capacitance will decrease
Hello people ~
In a region of constant potential
(a) the electric field is uniform.
(b) the electric field is zero.
(c) there can be no charge inside the region.
(d) both (b) and (c) are correct.
Answer:
B and C
Explanation:
The region has constant electrostic potential means there is no difference in potential so no electric field as no V is present.Hence electric field is 0
As electric field is 0 no charge is flowingA dragster produces a large sound as it races down the track. If the
power of this sound wave is 1,200 watts, what is the intensity of the
sound heard by the spectators who are 20 meters from the dragster?
The force created when the court pushes LeBron James upwards is equal to which force?
the force LeBron James used to dunk the ball
the force LeBron James drives into the court when he jumps
the force LeBron James uses to throw the ball
the force LeBron James drives into the court when he lands after jumping
Answer:
When LeBron James jumps, he is driving force into the court. How is this force created? Suggested answer: This force is created by the energy stored inside his muscles.
Explanation:
Answer:
When LeBron James jumps, he is driving force into the court. How is this force created? His force is created by the energy stored inside his muscles.
Explanation:
i hope this helps you very much
can someone please help me
Answer:
M a = (M1 + M2) a = F Newton's Second Law
F = (M2 - M1) g net force on the system
a = (M2 - M1) / (M1 + M2) g
a = (9 - 7) / (9 + 7) g = 2 / 16 * 10.0 m/s^2 = 1.25 m/s^2
Use the drop-down menu to select the education or qualification best demonstrated in each example. maritza is friendly and polite to people who enter the store where she works. darren stays calm and does not get frustrated when dealing with an angry customer. yelena is able to lift heavy items on high shelves.
Answer:the first one is (customer service skills) the second one is (patience) and the third one is (physical strength)
Explanation: I just done it and got it right.
Answer:
the first one is (attention to detail) the second one is(dexterity) the third one is (patience) and the last one is (stamina)
Explanation:
i got it right
Jupiter nudges the asteroids through the influence of:.
The dimensions of the disk of our milky way galaxy are:.
Answer:
According to studies, the milky way is approximately, "170,000–200,000 light-years (52–61 kpc) in diameter and, on average, approximately 1,000 ly (0.3 kpc) thick."
With that being said, it is safe to say that the dimensions are somewhere around 100,000 by 1,000
Target zone means that is your minimum amount of work you do when training.
(1 Point)
True
False
Answer:
False
Explanation:
Target zone is generally approximatly 70% (maybe 80%) of your maximum amount of work you can do.
A box of mass 8.0 kg is lifted from the ground and placed on a shelf. The box gains 100J of potential energy. The box falls off the shelf. Air resistance can be ignored. At what speed does the box hit the ground?
A 3.5m/s
B 5.0m/s
C 25m/s
D 28m/s
HELP
Explanation:
[tex]pe = mgh \: \\ taking \: g \: as \: 10ms^{ - 2} \\ 100 = 8.0 \times 10 \times h \\ h = 1.25m \\ \\ using \: newtons \: third \: equation \\ v^{2} = u^{2} + 2gh \\ where \: v \: is \: final \: velocity \: and \: u \: is \: initial \: velocity \: = 0 \\ v^{2} = 0 + 2 \times 10 \times 1.25 \\ = 25 \\ v = 5.0ms^{2} [/tex]
A schema is a cluster of beliefs that allow one to process information about people, emotions, and events. please select the best answer from the choices provided t f
The statement "A schema is a cluster of beliefs that allow one to process information about people, emotions, and events." is true. This is further explained below.
What is schema?Generally, Schema is simply defined as a cluster of beliefs that allow one to process information about Humans, emotions, and events.
In conclusion, a cluster of beliefs that allow one to process information about Humans is a Schema
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Answer:
true
Explanation:
What does FITT stand for?
Food, Ice cream, Teeth, Toes
Frequency, Ice cream, Time, Teeth
Food, Intensity, Toes, Type
Frequency, Intensity, Time, Type
Answer:Frequency, Intensity, Time, Type
Explanation: frequency, intensity, time, and type is one way to remember the general guidelines for what should be included in a fitness plan.
3 CHALLENGE After about how many minutes
would you predict that all the students will finish
their testing?
Answer:
Explanation:
ummm depends on what test there talking like exircize test like 15 to 20 min and sports test like 3 to 2 hrs
Hamish is studying what happens when he sends a sound wave through different mediums, and he records his data in a table. a 2-column table with 4 rows titled hamish's waves. the first column labeled wave has entries 1, 2, 3, 4. the second column labeled information has entries liquid, solid, gas, liquid. which statement could made about the data collected in hamish’s table? wave 1 will move the fastest. wave 2 will move the slowest. wave 3 will move the slowest. wave 4 will move the fastest.
Answer:
Wave3 = slowest
Explanation:
Wave 3 will move the slowest
in liqiud and solids the molecules are closer together so the waves propogate faster than in a gas
When astronauts aboard the space shuttle look down at the earth, its atmosphere appears blue. Why?.
Answer:
Reflection
Explanation:
The particles in the atmosphere only reflect the color blue and and all others are absorbed. Only the reflected colors can be seen from our eyes not the absorbed ones
19. The frequency of orange light is 5.01 x 10^14 Hz. How much energy does a photon of orange light carry? (h = 6.626 x 10-34 J·s; 1 eV = 1.60 x 10^-19 J)
3.32 eV
5.43 eV
2.07 eV
7.56 eV
The energy a photon of the orange light carries is 3.32 eV.
What is the energy of a photon?The energy possessed by the photon incident on a surface is the energy of the photon. It is denoted by [tex]E[/tex].
Energy is related to frequency as
[tex]E=h\nu[/tex]
where h is the plank's constant, [tex]h = 6.626 \times10^{-34} \; \rm Js[/tex]
[tex]\nu=5.01\times10^{14} \:\rm Hz[/tex]
Energy will be
[tex]E= 6.626 \times10^{-34} \times\55.01\times10^{14}\\E=\333.2\times10^{-20} \rm J[/tex]
Given,
[tex]1\rm eV = 1.60 \times 10^{-19} \rm J[/tex]
Energy in eV is
[tex]E=\frac{33.2\times10^{-20}}{ 1.60 \times 10^{-19} \rm J} \\E=3.32 \rm eV[/tex]
Therefore, the energy of the photon in eV is 3.32 eV.
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Using a material that is ‘Ohmic’ (it follows Ohm’s Law), you make a circuit using wire, a battery, and a resistor. After measuring V, I, and R across the circuit, you switch out the original resistor with one 3 times more resistive. When you measure V, I, and R again, how will the new values compare to the old?
When the original resistor is replaced with 3 times more resistive material, the resistance of the circuit increases by factor of 3 and the current flowing in the cirucit decreases by a factor 3.
Ohm's law
Ohm's law states that, the current flowing in a conductor is directly proportional to the potential across the conductor.
V = IR
where;
I is the current in the circuitV is voltageR is the resistanceWhen the resistance increases, the current flowing in the circuit decreases.
When the original resistor is replaced with 3 times more resistive material, the resistance of the circuit increases by factor of 3 and the current flowing in the cirucit decreases by a factor 3.
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It refers to the condition of the atmosphere in a place over a long period of time.
Answer:
Climate
Explanation:
conditions of the atmosphere at a particular location over a long period of time; it is the long-term summation of the atmospheric elements
According to ohm’s law, which combination of units is the same as the unit for resistance? volt ÷ ampere ampere × volt volt ampere ampere ÷ volt
Answer:
Volt divided by ampere
Explanation:
V = IR
V/I = R
The unit of resistance from ohms law is volt / ampere. Thus, option A is correct.
What is Ohm's law?Ohm's law states that the applied voltage is directly proportional to the current flow in the conductor. It is written as V ∝ I. It remains constant at room temperature.
V is defined as potential difference or voltage. The SI unit of voltage is volt(V). I is defined as the current flowing in the circuit. The SI unit of current is ampere (A).
Generally, ohm's law equals to V = IR. R represents resistance of a material which oppose the current flow in the conductor. The unit of resistance is ohm(Ω).
When the potential difference(V) is constant, Resistance is inversely proportional to current. Current increases with decrease of resistance and current decreases with increase of resistance.
To find equivalent unit of resistance, the ohm's law is :
V = IR
R = V / I
= volt / ampere.
Hence, the unit of resistance from ohm's law is volt / ampere. The SI unit of resistance is ohm(Ω). Thus, option A is correct.
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When light passes from air to water, what percentage of its original value does its wavelength change to?.
Answer:
The answer is thus, it is clear that when light passes form air to water, its wavelength decreases to 0.750 times its original value.
Explanation:
hope this helps
It is evident that light's wavelength drops to 0.750 times its original amount when it travels from air to water.
What is Wavelength?Wavelength is the distance between the equivalent points of two successive waves. When two or particles are referred to be "corresponding points," it means that they are both at the same phase and have completed exactly the same portions of their vibration. Typically, the wavelength of transverse waves—those whose points advance at right angles to one another—is measured from crest to crest or from groove to trough, for longitudinal waves—those whose points advance in the same direction—the wavelength is measured from compaction to compaction or from mass to rarefaction.
A wave train's velocity (v) in a material is equal to its frequency (f), hence the formula for wavelength is v/f. Wavelength is usually represented by the Greek symbol lambda (λ).
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The planets that orbit the sun are large enough that their gravity produces a
________ shape.
Answer:
a round shape. It has its own gravity to pull itself into a round shape