Answer:
because it goes unlimited and goes as far as the astronomy asteroid belt goes
Is this circuit parallel or inseries
Answer:
parallel circuit, hopefully I wasn't late in sending the answer
The graph represents velocity over time.
What is the acceleration?
Answer:
I think the answer is 0.2 m/s2
Explanation:
Entropy can only be decreased in a system if ?
Answer:
heat is removed.
Explanation:
hope this helps.
Answer:
energy is removed.
Because entropy is a dynamicquality realting to the system being unavaliable to do conversions because of the energy measures being low.
A 82.9 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated at 670 (food) calories. How high must the person climb? The acceleration due to gravity is 9.8 m/s2 and 1 food calorie is 10^3 calories.
The weight watcher must climb : 3.45 km to work off the equivalent of a large piece of chocolate cake rated at 670 calories.
Determine how high the weight-watcher must climbFirst step : convert the energy to joules
670 calories to Joules
E = 670 * 10³ * 4.184
= 2803280 J
Next step : Equate energy to gravitational potential energy
2803280 J = mgh
2803280 = 82.9 * 9.8 * h
Therefore :
h = 2803280 / ( 812.42 )
= 3451 m = 3.45 Km
Hence we can conclude that The weight watcher must climb : 3.45 km
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PLEASE HELP!! WORTH A TOTAL OF 100 POINTS!!
The three blocks shown are released from rest and are observed to move at a distance of 0.5m with an acceleration of magnitude of 1.5 m/s^2. answer the following assuming M=2.0kg and ignoring the pulley masses and any friction in the pulleys.
Formulas:
T₁ - m*g = m₁*a --- (1)
T₂ - T₁ - F = m₂*a --- (2)
m₃*g - T₂ = m₃*a --- (3)
m₁ = M
m₂ = 2M
m₃ = 2M
Questions solved:
The magnitude of the friction force: 4.6 N
The coefficient of friction: 0.12
The tension in the left string: 22.6 N
The work done by gravity: 9.8 J
The work done by friction: -2.3 J
The velocity of the blocks after they moved the 0.5 m distance from rest: 1.22 m/s
Needed:
What is the tension in the string on the left?
The last equation gives you the tension in the string on the right:
[tex]T_2 = 2Mg - 2Ma = 2M (g-a) = \boxed{33.2 \, \mathrm N}[/tex]
If it takes 16.7 seconds for a wave to pass by and it has a wavelength of 13.8 meters, what is the speed of the wave to the nearest
Answer:
0.826
1 S.f.
0.8 m/s
Explanation:
S (speed) = D (Distance) / T (Time)
15. Which is a characteristic of a
judging approach?
O A. Liking things settled and organized
O B. Giving praise to others
C. Missing job opportunities
O D. Approaching work as play
According to Myers-Briggs, a charcteristic that is common to judging is liking things settled and organized.
What is judging?The term judging has to do with the quest for order and organization. It is one of the personality traits as outlined by Myers-Briggs.
The characteristic that is common among the people that exhibit the judging personality trait is liking things settled and organized.
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Answer:likes to have things settled and organized
Explanation:
bc I just took the test so ik it’s right
If a measurement is 4.2 cm and its possible error is 0.04 cm, the relative error is?
Given the value of possible error, the relative error of the measurement is 0.0095.
Given the data in the question;
Measurement taken; [tex]m = 4.2cm[/tex]Absolute or possible erorr; [tex]e = 0.04m[/tex]Relative error; [tex]RE = \ ?[/tex]Relative ErrorRelative error is simply the ratio of the absolute or possible error of a measurement to the measurement its self.
Relative error is expressed as;
[tex]RE = \frac{e}{m}[/tex]
Where e is the absolute or possible error and m is the measurement being taken.
To determine the relative error, we substitute our given values into the expression above.
[tex]RE = \frac{0.04cm}{4.2cm} \\\\RE = 0.0095[/tex]%
Therefore, given the possible error, the relative error of the measurement is 0.0095.
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pls help thank youuuu
1. A fluorescent light bulb produces just as much light in the same electrical circuit as an incandescent bulb , but requires much less energy to produce it. Which of the following is the most logical explanation for this?
A. The incandescent bulb produces more forms of energy than just light, like heat.
B. The fluorescent light bulb produces more light than any other bulb.
C. The incandescent bulb has to be connected to another circuit.
D. The fluorescent light bulb generates more current than any other type.
The most logical explanation is the incandescent bulb produces more forms of energy than just light, like heat.
Conservation of energyThe principle of conservation of energy can be used to explain to reason behind the more energy required for an incandescent bulb to produce the same light as a fluorescent light bulb.
Some part of the energy required by the incandescent bulb is used to produce light while some is used to generate heat.
For fluorescent light bulb, all the energy are used to produce light, leading to a better efficiency and less energy required to produce same amout light as incandescent bulb.
Thus, the most logical explanation is the incandescent bulb produces more forms of energy than just light, like heat.
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Please help the due date is today.
-Don't give wrong answers
-No spam
-Correct answers will mark as brainliest
Answer:
a the structure labelled as cell wall
Explanation:
a difference between plant cells and animal cells is the most animal cells are round whether most plant cells are rectangular. plants cells have a rigid cell wall that surrounds the cell membrane.animal cell do not have cell wall when looking under a microscope, the cell wall is an easy way to distinguish between animal and plant cells
please mark as a brainliest
hope it helps you
A 43 kg object is hanging from a rope. If it has the potential to do 3160 J of work, how high is it above the ground?
Match these items.
1. 1000 g
mixture
2. 1/1000 g
speed
3. negative particle outside nucleus
potential
4. km/h
electrons
5.
energy at rest
milligram
6. centimeter
cm
7. sawdust + salt + iron filings
work
Answer:
milligram 1000g
kilogram 1/1000 g
electrons negative particle outside nucleus
speed km/h
potential energy at rest
mixture sawdust + salt + iron filings
Explanation:
:D
1. 1000g -kilogram
2.1/1000 g - milligram
3. negative particle outside nucleus - electrons
4. km/h - speed
5.energy at rest - potential
6. centimeter - cm
7. Sawdust + salt + iron filings - mixture
What is potential energy?The energy by virtue of its position is called the potential energy.
The km/h is the unit of speed.
Milligram is written as 1/1000 g.
1000 g is equal to 1 kilogram.
Electron are the negatively charged subatomic particles rotating outside the nucleus.
Learn more about potential energy.
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25. Fossil fuels are carbon-containing deposits that form deep beneath
Earth's surface. Diana wants to show carbon moving to a location to form
fossil fuels. Which model most accurately shows this process?
A. She bubbles gas through a water sample.
B. She blows bubbles into the air and watches them spread.
C. She sprinkles breadcrumbs onto water and watches them sink.
D. She makes a replica of a volcano and shows magma erupting from it.
Answer:
B
Explanation: Carbon is released into the air by dead organisms, animals, and humans.
Write down the advantage and disadvantage of using mercury as thermometric liquid..
Answer:
Advantage: Mercury has a lower freezing point (-1140 degree Celsius)
Disadvantage: Mercury has a lower boiling point
When a light beam emerges from water into the air, the average light speed _____.
A) increases
B) decreases
C) remains the same
Explain in brief.
Answer:
A. Increases is the answer.
what is the principle of moments?
Answer:
The Principle of Moments states that when a body is balanced, the total clockwise moment about a point equals the total anticlockwise moment about the same point.
Explaining with equation
Moment =force F x perpendicular distance from the pivot d. Moment = Fd.
A 208-volt, 4-wire, 3-phase wye power system feeds a school building. Daily voltage readings taken for 1 week are 205.25 volts, 203.75 volts, 208 volts, 204.35 volts, 206.7 volts, 207 volts, and 208.55 volts. What is the average daily voltage of the system
For a 208-volt, 4-wire, 3-phase wye power system feeds a school building, the average daily voltage is mathematically given as
x=206.23v
What is the average daily voltage of the system?Generally, the equation for the mean is mathematically given as
x=total sum/ number
Therefore
ts=05.25 volts, 203.75 volts, 208 volts, 204.35 volts, 206.7 volts, 207 volts, and 208.55 volts.
ts=1433.6
In conclusion
x=1433.6/7
x=206.23v
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Cells store waste in ________.
A
DNA
B
vacuoles
C
chloroplasts
D
ribosomes
Answer:
B vacuoles
Explanation:
A skier at the bottom of a hill has 900J of kinetic energy. After sliding a ways along the flat, the kinetic energy is 300J. How much energy was lost due to friction?
Answer:
600 J
Explanation:
900 j = 300j = 600 j lost due to friction
Energy lost due to friction is 600 J.
The kinetic energy before and after friction is given as 900J and 300J.
What is friction?The force that resists the sliding or rolling over one object with another is called friction. The energy which possess in virtue of being in motion is said to be Kinetic Energy.
f = μN
Energy lost = 900J - 300J
= 600J
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Mercury tends to build up in fish
tissues, and is present in larger
quantities in large predatory fish
than in small, herbivorous fish.
This phenomenon is known as
A. corrosivity
B. non-persistence
C. bioremediation
D. biomagnification
Answer:
D biomag
Explanation:
Mercury tends to build up in fish tissues and is present in larger quantities in large predatory fish than in small, herbivorous fish. This phenomenon is known as biomagnification. The correct option is D.
What is Biomagnification?Biomagnification is the process by which certain substances, such as heavy metals like mercury, become increasingly concentrated in the tissues of organisms as they move up the food chain. In other words, the higher up an organism is in the food chain, the more likely it is to accumulate higher levels of these substances. This is because predators consume many smaller prey, each of which may have accumulated small amounts of the substance, leading to a build-up of the substance in the predator's tissues over time. This phenomenon has been well-documented in aquatic ecosystems, where mercury and other pollutants can accumulate in large predatory fish.
The other options are not correct:
Option A. Corrosivity refers to the ability of a substance to corrode or eat away at other materials. It is not relevant to the accumulation of mercury in fish tissues.
Option B. Non-persistence refers to the short-term or temporary nature of a substance or effect. It does not describe the long-term accumulation of mercury in fish tissues.
Option C. Bioremediation refers to the use of living organisms, such as bacteria or plants, to help clean up polluted environments. While this process may be used to reduce the levels of mercury in contaminated areas, it does not explain the process of biomagnification in fish.
Therefore, The correct option is D. biomagnification.
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What happens to an object's kinetic energy as it falls from some height?
Answer:
The objects kinetic energy increases as it falls from some height.
Why do you not want to stand still when on offense?
Question 2 options:
It makes you very easy to cover.
Your coach will take you out of the game.
Its lazy.
It makes it harder for the defense to cover you.
It makes it harder for the defense to cover you.
A star is moving towards the earth with a speed at 90% the speed of light. It emits light, which moves away from the star at the speed of light. Relative to us on earth, what is the speed of the light moving toward us from the star?
Answer:
The speed of light measured in any frame is c = 3.00E8 m/s.
This is one of Einstein's postulates of special relativity.
What do chemical symbols and formulas represent, respectively? elements and compounds compounds and mixtures atoms and mixtures
Answer:
They represent compounds and mixtures
Explanation:
If you shake together oil and water they temporarily mix. However, after
you stop shaking them, the oil eventually floats to the top because it is
less dense than water. Explain how you could use this difference in density
to separate oil and water. -
Answer:
you can use this differenation in density to seperate them by extracting the top layer of the water or where the oil is at and sperate it like that, but that is one methond compared to sing a varying amount. but it also depends on the type of oil as well because some oil is denser than water (i belive, do not quote me on this).
Explanation:
Using Newton's Second Law of Motion how does the difference in mass and force affect acceleration?
400kg Force 40kg MASS C Force
Explanation:
Let & mean "is proportional to"
F & [m(V - Vo)]/∆t
We can see that increase in the applied force equals increase in the change in momentum (increase in change of velocity).
Also,
An increase in the mass of the object requires more force to be applied for work to be done.
For an exponential function, y = A∙emx, what is the value of y when x = 0?
a.
A
b.
e
c.
x
d.
b
e.
zero
Answer:
a.A
Explanation:
when x=0, the power becomes 0 and the exponent becomes 1
anything to the power of 0 is 1
in addition, the exponent only applies to the 'e' term, hence the e term will become 1 and multiply A to give you A
What kinetic energy would the bicycle have if it had one-half the mass and was moving with twice the speed?
kinetic energy would beeeeeeeeeeeee 248 J
what happens to the resistance of two resistors when connected in series circuit
Answer:
increases as more components are added.
A Studead dropped 0.25 kg box from high,
hesht of 2.3 metersit box lands on the floor.
Part A what is the potential energy of box before it fallen. part B What is Kinect energy of box before is it is dropped
Answer:
Explanation:
Potential energy is defined as the "stored" energy inside of the field, in our case the graviational field. Since the force of gravity is conservative, the reference point for our potential energy is arbitrary. This means that we can arbitrarily set where the potential energy is zero. The easiest case is setting the potential energy zero when the box is on the floor. The potential energy is defined as:
[tex]U=mgh[/tex]
We are given the mass, the height from the ground, and the graviational acceleration is 9.8m/s^2. Plugging this in gives:
[tex]U=(0.25kg)(9.8m/s^2)(2.3m)=5.64J[/tex]
Kinetic energy is defined as the energy of the configuration during motion. Before the box begins to fall, it is completely stationary. Therefore the kinetic energy is zero.