The analysts at techno infosystems are considering the four-model approach to system development for a new client. if they make use of the four-model approach, which is a likely outcome?
The analysts at techno infosystems are considering the four-model approach to system development for a new client. if they make use of the four-model approach, the outcome will be the time taken to develop the model increases.
With a commitment to giving Government PSUs, Educational Institutions, and All Organizations across the country a competitive advantage by making current operations efficient & cost-effective, Techno is a brand name of Richa Infosystems Limited, which is working under the government's initiative to support "Vocal for Local."
The speed of techno, a kind of electronic dance music, frequently ranges between 120 and 150 beats per minute and is typically generated for usage in a continuous DJ set. Common time is usually used for the core rhythm, which is frequently distinguished by a repeating four on the floor beat.
Electronic dance music without vocals or a typical popular song structure, with a quick pace and artificial noises.
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6. Read the following statements. If the italicized word is used correctly,
answer "correct." If the italicized word is not used correctly, rewrite the
statement with the correct word.
a. Taylor's weight is 65 kilograms.
b. I went on a diet and my mass decreased.
c.
I went to the Moon and I lost mass, even though I didn't lose any of
my matter.
The following statements have italicized word, and has 2 correct statement and 1 incorrect statement.
a. Taylor's weight is 65 kilograms. : Its correct.
b. I went on a diet and my mass decreased. : Its correct.
c. I went to the Moon and I lost mass, even though I didn't lose any of my matter. : Its incorrect.
What is weight?The weight is a term shows the mass of the object and the gravity working on it. Example is that a person who feel heavy in earth that same person feel very light on moon cause the gravity will work on that object verry small in comparison to earth.
How can we say that the third statement is incorrect?a. Taylor's weight is 65 kilograms. It is a complete sentence. So its a correct statement.
b. I went on a diet and my mass decreased. : Its correct. Its also a complete sentence. So its a correct statement.
But, c. I went to the Moon and I lost mass, even though I didn't lose any of my matter. This sentence is incorrect because the mass of the person remains same in the moon but the gravity become lesser in the moon so he felt lighter.
So, according to the theory the statement is incorrect.
The correct statement would be:
c. I went to the Moon and I lost weight, even though I didn't lose any of my matter.
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Calculate the wavelength of a photon (in nm) emitted when an electron transitions from the n = 3 state to the n = 1 state in the hydrogen atom.
The wavelength of a photon (in nm) emitted when an electron transitions from the n = 3 state to the n = 1 state in the hydrogen atom is 103 nm
What is a Wavelength ?A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in the consecutive cycles.
There are two energy levels, n1 and n2.
Beginning with Rydberg's equation, write:
The Rydberg is useful for figuring out the wavelength of light emitted when an electron switches from one energy level of an atom to another, for as from higher to lower or lower to higher. When an electron moves from one orbital to another, the energy will change.
1/λ = R(1/n1^2 - 1/n2^2)
1/λ = 1.097 x 10^7 (1/1^2 - 1/3^2)
1/λ = 1.097 x 10^7(8/9)
1/λ = 9/8.776 x 10^7 = 103 x 10^-9 m = 103 nm
Hence, the wavelength of a photon is 103 nm
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Which persuasive writing strategy involves quoting a consumer, who is satisfied with a specific product or service, in a news release?
In a news release, using a consumer who is happy with a particular good or service as a testimonial might be persuasive.
What do you understand by consumer?Consumers are described as people or organizations who utilize or consume goods and services. Customers might be consumers or exist solely as customers; they are the buyers of products and services inside the economy.
Businesses may select how to promote their goods and services most effectively by comprehending how consumers think, feel, and make decisions. This aids in predicting consumer behavior and helps marketers promote their already-available goods and services.
Consumer behavior is the study of how consumers choose things based on their needs, wants, and desires as well as how they purchase and utilize them.
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6. Predicting If you added salt instead of sugar
to a pitcher of lemonade, how would this
change the properties of the lemonade?
—NEED HELPP NOWW
also wouldn’t the properties stay the same because every substance has the the same properties and table salt and table sugar are examples of pure substance??
The lifespan of lemonade is significantly extended if salt is used in place of sugar. In other words, it lasts a lot longer than it would typically.
Despite having a similar appearance, salt and sugar taste considerably differently. Chemically, they differ greatly as well. Salt is an ionic compound comprised of sodium and chloride. Contrarily, sugar contains covalent bonds and is made up of carbon, oxygen, and hydrogen. Similar to adding a pinch of the traditional sodium chloride to baked goods like pies or cakes, adding salt to lemonade can help enhance the sweet flavors and lessen any bitterness that may be present.
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If your bathroom scale assesses your weight to be 98, 211, and 167 pounds on successive measurements in the same day, the scale would suffer from low _____ reliability.
The scale that would suffer from low Test-Retest reliability when the bathroom scale assesses on measurements in the same day.
How is reliability determined ?Producing a large number of evaluation-focused questions and randomly dividing them into two sets of questions is the most popular method for gauging the dependability of parallel forms. You determine the correlation between the findings after the same respondents respond to both sets of questions.
A measure's reliability is its constancy. Internal consistency, consistency among things, and consistency across different researchers are the three types of consistency that psychologists take into account (inter-rater reliability).
Because it affects the worth of a psychological test or study, reliability is crucial. Its dependability assures value to the psychology field and other fields where it has importance, such as business or education, if test findings are consistent when researchers undertake a study.
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What is the mass of 2000 ml of an intravenous glucose solution with a density of 1.15 g/ml?
According to the following formula, the answer is 2,300 g or 2.3 kg:
Volume (m)/Mass (m) Equals Density (p) (V)
Here, the density is 1.15 g/mL, allowing the formula described above to result in a mass of 2.00 L:
p=m/V
1.15 g/mL is equal to x g/2.00 L or x g/2,000 mL.
2,000 mL of x g = 1.15 g of g/mL
2.3 kg or 2,300 g for x g.
How many grams of glucose are in a 1000ml bag of glucose 5?Its active ingredient is glucose. This medication includes 50 g of glucose per 1000 ml (equivalent to 55 g glucose monohydrate). 50 mg of glucose is present in 1 ml (equivalent to 55 mg glucose monohydrate). A transparent, nearly colourless solution of glucose in water is what is used in glucose intravenous infusion (BP) at 5% weight-to-volume.
Patients who are dehydrated or who have low blood sugar levels get glucose intravenously. Other medications may be diluted with glucose intravenous infusion before being injected into the body. Other diseases and disorders not covered above may also be treated with it.
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A car is traveling at a speed of 33 m/s . (a) what is its speed in kilometers per hour? (b) is it exceeding the 90 km/h speed limit?
According to the statement:
a) speed is equal to 118 km/h in kilometres per hour.
b) yes it is exceeding 90km/h.
What does speed mean?The pace at which an object's position changes in any direction is referred to as speed. Speed is defined as the ratio of something like the distance traversed to the time required to cover that distance. . . Speed is a scalar quantity since it just has a direction and no magnitude..
How are the speeds determined?Speed is determined by dividing the distance by the time. Calculating the units for speed requires knowledge of the units for both time and distance.. The units in this example will be meters per second (m/s), since the distance is measured in meters (m) and the time is measured in seconds (s).
(a)s₂= 118.km/h is its speed in kilometres per hour.
1h = 3600s
1km = 1000m
s₂= (33m/s) *[tex]\left(\frac{60 \times 60}{1000}\right)[/tex]
= 118.8km/h
s₂= 118.km/h
(b) yes it is exceeding 90km/h.
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An earthquake always begins:________
a) at the moho.
b) a focus.
c) the base of the earth's crust.
d) the top of the earth's mantle.
An earthquake always begins at the moho.
What is an Earthquake?The surface of the Earth shakes violently during an earthquake. Movements in the topmost layer of Earth are what are causing the shaking.
How Come Earthquakes Occur?Although the Earth appears to be a rather stable planet from the surface, it is actually very active beneath the surface. A solid crust, a heated, almost solid mantle, a liquid outer core, and a solid inner core make up the Earth's four basic layers.
Therefore option (a) An earthquake always begins at the moho.
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The Moho is the line in the earth's crust and mantle that separates them. An earthquake still starts at the moho. When two chunks of the ground abruptly slide past one another, an earthquake results.
What is an earthquake?When two chunks of the ground abruptly slide past one another, an earthquake results. The fault or fault plane is the area where they slide. Although the tectonic plates are constantly moving slowly, friction causes them to become impermeable at their borders. An earthquake occurs when the stress on the edge exceeds the friction, releasing energy in waves that flow through the earth's crust and produce the shaking we experience.The surface of the Earth shakes violently during an earthquake. The Earth's outermost layer is moving, which is what is causing the shaking. The term "earthquake" is used to represent both a sudden slide on a fault and the resulting ground shaking and transmitted seismic energy, as well as sudden changes in the earth's tension due to volcanic or magmatic activity or other causes. Sudden movement along Earth's fault lines causes earthquakes. The motion releases "elastic strain" energy that has been accumulated in the form of seismic waves, which travel through the Earth and cause the earth to tremble. Any sudden shaking of the ground brought on by seismic waves passing through the planet's rocks is referred to as an earthquake.To learn more about earthquake, refer to:
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What is the importance of physical education for you as a student
Answer:
It improves mental clarity allowing you to think better
it allows you to take a break from studying and provides a healthy destressor
Alleviates feelings of stress
Explanation:
2. what is the unit of force in metric system? a. calorie b. joules c. newtons d. pounds
The unit of force in metric system is Newtons
A metric system is used for measuring things using units like mm, cm, m and km for length, g and kg for weight, s for time etc.
Newton can be defined as 1 kg m / [tex]s^{2}[/tex].
where,
kg = Kilogram
m = Meter
s = second
As we can clearly see all these units are part of metric system.
Therefore, the unit of force in metric system is Newtons
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How lrge a force is necessary to stretch a 1.1 m diamter steel wire (y = 2.0 * 10^11 ) by 2.0 percent
The amount of force necessary to stretch a 1.1 m diameter steel wire is 13.82 * [tex]10^{9}[/tex] h N
Young's modulus Y = ( F /A ) / ε
where,
F = Force
A = Area
ε = Strain
Given that,
d = 1.1 m
Y = 2 * [tex]10^{11}[/tex] N [tex]m^{-2}[/tex]
A = 2 π r h = 2 * 3.14 * 0.55 * h
A = 3.454h [tex]m^{2}[/tex]
[tex]l_{2}[/tex] = 1.02 [tex]l_{1}[/tex]
Strain ε = ΔL / L = ( [tex]l_{2}[/tex] - [tex]l_{1}[/tex] ) / [tex]l_{1}[/tex] = ( 1.02 [tex]l_{1}[/tex] - [tex]l_{1}[/tex] ) / [tex]l_{1}[/tex]
ε = 0.02
Y = ( F /A ) / ε
F = 2 * [tex]10^{11}[/tex] * 0.02 * 3.454h
F = 13.82 * [tex]10^{9}[/tex] h N
Young's modulus is a property of material which is used to figure out how easily can a material can be stretched or deformed.
Therefore, the amount of force necessary to stretch a 1.1 m diameter steel wire is 13.82 * [tex]10^{9}[/tex] h N
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Why are there flat spots on
heating curves of substances like
water?
Find the vector v with the given magnitude and the same direction as u. magnitude direction v = 93 u = 0, 4, 4
Vector v is [tex]0,27\sqrt{2},27\sqrt{2}[/tex] for the given magnitude and the same direction as u, magnitude direction v = 93 u = 0, 4, 4.
What is a vector?Vector, in physics, a quantity that has both the magnitude and direction. It is typically represented by an arrow whose direction is same as that of the quantity and whose length is proportional to the quantity’s magnitude. Although vector has magnitude and direction, it does not have position. That is, as long as its length is not changed, vector is not altered if it is displaced parallel to itself.
In contrast to vectors, the ordinary quantities that have a magnitude but not a direction are called scalars. For example, displacement, velocity, and acceleration are vector quantities, while speed (magnitude of velocity), time, and mass are scalars.
To qualify as a vector, a quantity having the magnitude and direction must also obey certain rules of combination. One of these is the vector addition, written symbolically as A + B = C (vectors are conventionally written as boldface letters). Geometrically, vector sum can be visualized by placing the tail of vector B at the head of vector A and drawing vector C—starting from tail of A and ending at the head of B—so that it completes triangle. If A, B, and C are the vectors, it must be possible to perform the same operation and achieve the same result (C) in reverse order, B + A = C. Quantities such as the displacement and velocity have this property (commutative law), but there are quantities (e.g., finite rotations in the space) that do not and therefore are not vectors.
Given that,
|v|= 27 and u= 0,4,4
Now unit vector
u= [tex]\frac{u}{|v|}[/tex]=[tex]\frac{0,4,4}{|0,4,4|}[/tex]
=0,4,4/[tex]\sqrt{0^{2}+4^{2}+4^{2} }[/tex] = 0,4,4/ [tex]\sqrt{32}[/tex]
=0/[tex]4\sqrt{2}[/tex],4/[tex]4\sqrt{2}[/tex],4/[tex]4\sqrt{2}[/tex]
=1/[tex]\sqrt{2}[/tex],1/[tex]\sqrt{2}[/tex]
now the vector v in same direction as u means,
v= |v|.u= 27*([tex]0,1/\sqrt{2}, 1/\sqrt{2}[/tex])
Thus,
v= [tex](0,27/\sqrt{2},27/\sqrt{2})[/tex]
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Flag what horizontally applied force will accelerate a 400 kg crate at 1m/s2 across a factory floor against a friction force half its weight?
A horizontally applied force of 2400 N will accelerate a 400 kg crate at 1 m/s^2.
In the given diagram, the free body diagram (FBD) of a block is shown.
Here the two vertical forces, normal reaction(N) and weight(W) cancel each other while the horizontal forces do not cancel each other and provide acceleration to the block.
According to the given situation,
Applied Force - Frictional Force = ma
Here the frictional force is half the weight of the body 2000 N.
Putting the given values in the above equation,
F - F1 = 400 x 1
F - 2000 = 400
F = 2400 N
Hence, a horizontally applied force of 2400 N will accelerate a 400 kg crate at 1 m/s^2.
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At what temperature will 1.30 mole of an ideal gas in a 1.30 l container exert a pressure of 1.05 atm?
The temperature of the ideal gas is 12.76 K.
We need to know about the ideal gas theory to solve this problem. The ideal gas is assumed that there is no interaction between particles in a gas. It can be determined by the equation
P . V = n . R . T
where P is pressure, V is volume, n is the number of moles gas, R is the ideal gas constant (8.31 J/mol.K) and T is temperature.
From the question above, we know that
n = 1.3 mol
V = 1.30 l = 1.3 x 10¯³ m³
P = 1.05 atm = 1.05 x 1.01 x 10⁵ Pa = 106050 Pa
By substituting the following parameters, we can calculate the temperature
P . V = n . R . T
106050 . 1.3 x 10¯³ = 1.3 . 8.31 . T
T = 137.865 / 10.803
T = 12.76 K
Hence, the temperature of the gas is 12.76 K.
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If the volume of the cylinder is to be calculated, what would be the total standard deviation of the volume?
first calculate the partial derivatives of the two fromulas for each measured variable. Then you calculate the sum of the products of the errors (Dr, DR, and dh) with the squared corresponding partial derivative.and or the deviation
Example for the length of the mantle:
dm/dR = (R-r)/root(w)
dm/dr = -(R-r)/root(w)
dm/dh = h/root(w)
where w = (R-r)²+h². The squared derivatives are
(dm/dR)² = (R-r)²/w
When it comes to statistics and probability theory, standard deviation is used. It demonstrates the accuracy of your data and is used to measure both variability and diversity.
Standard deviation is calculated by taking the square root of the variance. In contrast to a high standard deviation, which indicates that the entered data points are most likely farther from the mean, a low standard deviation indicates that the entered data points are most likely closer to the mean
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If you travel 100km west and then 500km west, what is the total displacement
Answer: 600 km west
Explanation:
When looking at total distance/displacement, simply add the two given quantities together. Note- in the future, make sure to pay attention to units and directions of components. For example, if it was 100 km east and then 500 km west, your total would be -100 km west + 500 km west, giving you 400 km west.
Which period of the mesozoic era had the lowest temperatures & co2 levels, and had large tropical forests that lacked flowering trees (but later formed extensive coal deposits)?
The Mesozoic era's Jurassic epoch featured the lowest CO2 concentrations and temperatures, as well as vast tropical forests devoid of flowering trees.
The correct option is B.
What features did the Jurassic Period have?Dinosaurs thrived for 180 million years during the Jurassic Period, which was their heyday. Huge herbivorous and carnivorous sauropods like the 35-foot-long Allosaurus and the 87-foot-long Diplodocus evolved. Imagine yourself sprinting as quickly as you can, and that's how big these beasts were.
What led to the Jurassic Period's demise?Some have proposed that the Triassic-Jurassic extinction may have been brought on by an asteroid or comet impact, similar to an extraterrestrial object that is thought to have contributed significantly to the Cretaceous-Paleogene extinction about 66 million years ago as shown by the Chicxulub crater in Mexico.
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Which period of the Mesozoic era had the lowest temperatures and CO2 levels, and had large tropical forests that lacked flowering trees (but later formed extensive coal deposits)?
a. Triassic
b. Jurassic
c. cretaceous
A proton, which is the nucleus of a hydrogen atom, can be modeled as a sphere with a diameter of 2.4fm and a mass of 1.67x10-27kg. determine the density of the proton.
The density of a proton is 2.87 x 10^19 kg/m^3.
The density of a proton can be calculated by dividing its mass by its volume i.e.,
Density = Mass/Volume
The mass of a proton is given to be 1.67 x 10^-27 kg.
As the proton is assumed to be a sphere, its volume will be 4/3 π r^3.
Thus, density = 1.67 x 10^-27/ (4/3 x π x r^3)
Putting radius of proton(r) = 2.4 fm = 2.4 x 10^-15 m
The density comes out to be 2.87 x 10^19 kg/m^3.
Thus, the density of a proton is 2.87 x 10^19 kg/m^3.
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ice ages have occurred at several times during earth's history. what is an ice age, and how does an ice age affect the land surface and the oceans?
I have to get it done right now.. it is due today
How much would a 15.0kg object weigh on neptune if the acceleration due to gravity is 11.2?
On Neptune, the object weight is 168 newton.
We need to know about the weight to solve this problem. Weight can be measured by multiplying mass with gravitational acceleration. It can be written as
W = m . g
where W is weight, m is mass and g is the gravitational acceleration.
From the question above, we know that the parameter given is:
m = 15 kg
g = 11.2 m/s²
By substituting the parameters, we can calculate the weight.
W = m . g
W = 15 x 11.2
W = 168 N
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The amount of downward force exerted by an object under the pull of gravity is its?
The correct answer for the amount of downward force exerted by an object under the pull of gravity is its Weight.
Weight is a restraining force. The magnitude of weight is denoted by the symbol w. Galileo was instrumental in demonstrating that, in the absence of air resistance, all objects fall with the same acceleration g. Normal force is defined as the force exerted on an object by a surface. When an object is at rest, its net force is equal to zero; thus, the downward force (weight) must equal the upward force (normal force). Because weight acts downward, it will be negative. It is determined by the object's mass and the acceleration due to gravity, which is 9.8 m/s2 on Earth. The weight formula is F = m 9.8 m/s2, where F is the object's weight in Newtons (N) and m is the mass in kg .
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If the lead can be extracted with 92.5fficiency, what mass of ore is required to make a lead sphere with a 7.00 cm radius? the density of lead is 11.4 g/c
If the lead can be extracted with 92.5 efficiency, the mass of ore is required to make a lead sphere with a 7.00 cm radius is 17.707 kg.
To find the mass of ore, the given values are,
The radius of the lead sphere is r = 7.0 cm,
The lead can be extracted with, η = 92.5% = 0.925 efficiency.
What is the Density?Density is the substance's mass per unit of volume.
We know the density of lead as,
⇒ p = 11.4 g/cm³ .
The volume of the lead sphere is,
V = 4/3πr³
= 4/3π(7)³
V = 1436.7 cm³.
Mass of the lead present in the lead sphere is,
m = p . V
= 11.4 × 1436.7
= 16379 g
m = 16.379 kg
From the expression of efficiency, we calculate the mass of the ore,
η = Mass of lead obtained / Mass of the ore to be taken
0.925 = 16.379 kg / Mass of the ore to be taken
Mass of the ore to be taken = 17.707 kg
If the lead can be extracted with 92.5 efficiency, the mass of ore is required to make a lead sphere with a 7.00 cm radius is 17.707 kg.
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Which ball takes a greater force to stop: a slow-moving ball or a fast-moving ball of the same mass? explain your reasoning in terms of newton's second law.
The fast-moving ball will require a greater force to stop than the slow-moving ball of the same mass because the fast-moving ball has more acceleration than the slow-moving ball.
Newton's second law of motion states that "the magnitude of the force acting on an object is equal to the mass of that object and and the acceleration with which it moves.
In other words, the rate of acceleration with which a body moves is directly proportional to the force needed to stop it, and inversely proportional to the mass of the body. Thus, the faster an object moves, the greater the force that will be required to stop it.
That is why the fast-moving ball in the question needed a greater force to stop it than the slow-moving ball, even though they are of the same mass.
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Part A: Resolve t = 8 (interpolate)
The displacement and velocity values at time, t = 8 seconds are; 11.76 and -0.545 respectively
How can interpolating be used to find variable values at a given time?Part A
The possible values in the table are;
Displacement;
t = 7 seconds, y = 10.02
t = 8 seconds, y = 11.01
t = 9 seconds, y = 13.5
Velocity;
t = 7 seconds, y = 0.06
t = 8 seconds, y = -0.05
t = 9 seconds, y = -1.15
The equation for interpretation which is a form of linear equation is presented as follows;
[tex]y - y_0 = \frac{y_1 - y_0}{x_1 -x_0} \times (x - x_0)[/tex]
Interpolating for the displacement at t = 8.0 seconds is as follows;
[tex]y - 10.02 = \frac{13.5 - 10.02}{9 - 7} \times (8 - 7)[/tex]
Which gives the displacement at t = 8.0 seconds as 11.76
Interpolating for the velocity at t = 8.0 seconds is as follows;
[tex]y - 0.06 = \frac{(-1.15) - 0.06}{9 - 7} \times (8 - 7)[/tex]
Which gives the velocity at t = 8.0 seconds as -0.545
The values for the displacement and velocity obtained by interpolation (11.76 and -0.545) are different from the displacement and velocity values in the table at t = 8 which are; 11.01 and -0.05 respectively
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How many metric tons (1 metricton = 103 kg) of water fell on the city? (1 cm3 of water has a mass of 1 gram = 10-3 kg
180,000 metirc tons of water fell on the city.
StepsSince we need to know if we are referring to the body of water on a city or, for example, only a swimming pool, the region must be pertinent. The former would undoubtedly be far greater.
It is possible to conceptualize the amount of water that falls on the city as having dimensions.
2km x9km x1cm
200 000 cm x 900 000 x 1cm
= 1.8x10^11 cm^3
since 1km =10^3m and 1m =100cm
1 gram equals 10-3 kg.
Rainfall weighs 10^-3 kg per 1 cm^3 of water, or 1 gram.
1.8x10^11 x 10^-3= 1.8x10^8
ie 1.8x10^8kg
1 metric ton = 10^3kg so the weight of rainfall in metric tons is
1.8x10^8 / 10^3 = 1.8x10^5
ie 180,000 metirc tons
180,000 metirc tons of water fell on the city.
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the question you are looking for is
A heavy rainstorm dumps 1.0 cm of rain on a city 2 km wide and 9 km long in a 2 hour period.How many metric tons (1 metric ton = 10^3 kg) of water fell on the city? [ 1 cm^3 of water has a mass of 1 gram = 10^3 kg.]
What is the net force on a crate sliding at an unchanging speed when pushed with a steady force of 75 n?
The net force on a crate sliding at an unchanging speed when pushed with a steady force of 75 n is zero.
The total of all forces exerted on an object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is employed.
The total force acting on an object is its net force. Newton's second law, which states that F = ma, where F represents the net force, can be used to compute the net force. The object's mass is given by m. Acceleration is a.
The vector sum of all forces acting on an object is known as the net force. As a result of the fact that a force is a vector and that two forces with identical magnitudes and opposing directions cancel each other out, the net force is the sum of all the forces, or put another way, the net force is the sum of all the forces.
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Sound travels faster in air if the air temperature is group of answer choices warm. average. cold.
Sound travels faster in the air if the air temperature is warm
Everything comes down to the chemical composition of air and sound. Sound molecules travel faster through the air particles in warm air. So, at an air temp of 70°F at sea level, the scientific estimation of the sound speed is 767 mph. Sound, on the other hand, travels the fastest in warmer temperatures air. It moves at 740 miles per hour in subzero temperatures.
Although sound travels slower in cooler air temperatures, it can travel further. The waves are refracted from wallets of warm air and returned to the ground as a result. This sound wave then oscillates between cold and warm air and the surface, causing it to travel further.
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What would happen to the organisms if the ice was more dense?
Answer:
If solid ice were denser than water, it would sink. In the most extreme conditions, there would be no way to melt the ice in deep lakes and oceans, which would thicken from the bottom to the surface, forming permanently frozen bodies of ice and disrupting Earth's water cycle.
Explanation:
This ice layer insulates the water below it, allowing it to stay liquid, which allows the life within it to survive. If ice sank, the liquid water on top would also freeze and sink, until all the liquid water became frozen. Water is less dense as a solid, than as a liquid, which is why ice floats.