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Directions: Select each correct answer. More than one answer may be correct.
Computer simulations are used to predict the weather. A computer simulation is a kind of model. Large amounts of data are entered
into the computer. Then the computer performs complicated calculations with the data. The result is a prediction about what the
weather might be like in the coming hours or days.
Why are computers widely used for modeling weather systems?
because weather systems are too complicated to be accurately predicted using small-scale
models
D
because weather systems are too large to study in controlled experiments
because weather systems are too complicated to be studied with instruments and satellites
because weather systems are too large to be observed in nature
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Computers are widely used for modeling weather systems because because weather systems are too complicated to be accurately predicted using small-scale. Hence option A is correct.
What is whether system ?Weather refers to the condition of the atmosphere and includes terms like how hot or cold, wet or dry, quiet or stormy, clear or foggy, etc. The troposphere, which is the lowest part of Earth's atmosphere and lies just below the stratosphere, is where most meteorological events take place. Climate is the phrase for the average of atmospheric conditions over longer periods of time, whereas weather is the term for day-to-day temperature, precipitation, and other atmospheric factors. Without more explanation, "weather" is typically taken to refer to the weather on Earth.
Differences in air pressure, temperature, and moisture from one location to another influence the weather. The Sun's angle at any given location, which changes with latitude, may be the cause of these variations.
Hence option A is correct.
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2 Select the correct answer. In a given chemical reaction, the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction? O A Energy is absorbed in the reaction. OB. Energy is released in the reaction. OC. There is no transfer of energy in the reaction. OD Energy is lost in the reactlon. Reset Next ghts reserved.
Answer:
B Energy is released
Explanation:
A straight line with a positive slope on a velocity-time graph indicates which of the following?
no mo
Answer:
constant acceleration
Explanation:
I may be wrong, but I'm almost positive cuz I am also taking physics. ;)
Answer:
Constant acceleration in the positive direction.
Explanation:
Because it is a straight line with a positive slope, we can infer that the rate of acceleration remains constant as the line is linear, and as it states in the question, the slope is positive; therefore, it is moving in a positive direction.
An atom of an element is electrically neutral because the
O Number of protons = the number of electrons
O Number of protons = the number of neutrons
O Number of electrons = number of neutrons
Answer:
option two
Explanation:
Number of protons = the number of neutrons
Why doesn’t an orbiting satellite fall back to earth?
4. Looking at the picture below, the DISTANCE traveled by this person
starting at position A to B to C to D to Ais*
Answer:
The distance traveled is 24 meters but the change in position is 0 meters because the person comes back to the same point.
Explanation:
To be straight it is 24 meters.
NEED HELP!!!!!!
Which is the BEST description of the role of glucose in the body?
OPTIONS:
A.
It moderates the heartbeat.
B.
It is food converted into fuel.
C.
It regulates body temperature.
D.
It eliminates sugar from the body.
PLEASE NO LINKS
The best description of the role of glucose in the body is that it is the food converted into fuel. Details about role of glucose can be found below.
What is cellular respiration?Cellular respiration is the process by which living organisms obtain energy for their daily activities by breaking down food molecules in their cells.
The food ingested by living organisms is digested into the simplest form called glucose. The glucose is then broken down during cellular respiration.
During cellular respiration, glucose is broken down to produce energy (ATP), which is the fuel for metabolic activities in the body.
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1. Define weight
2. How is the weight of an object related to its mass?
3. If an object has a mass of 50 kg, what is its weight?
Answer:
weight is the product of mass andgravitational acceleration expressed in newtons.w=mgw=mg ....w=50kg X 9.8m/s...w=490NWhich line on the graph represents the greatest positive acceleration?
D
A
B
C
Answer:
I think it's B, if that's wrong I apologize. You might want to do more research on it and find the correct answer if you can, if it's right then you could like my comment, so others know if not give it 1 star, keep it low lol.
Explanation:
The line that represents the greatest positive acceleration is A.
In a velocity-time graph, the slope of the line represents the acceleration. The greater the slope, the greater the acceleration. Line A has the steepest slope, so it represents the greatest positive acceleration.
Line B has a positive slope, but it is not as steep as line A. Line C has a negative slope, which means it represents negative acceleration, or deceleration. Line D is a horizontal line, which means it represents a constant velocity, or zero acceleration.
Therefore, the line that represents the greatest positive acceleration is A.
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This equation tells the position of the ball, x, at any time t. Let's use it to solve for the position of the ball at t=0.00231 s. What value do you get when you use t=0.00231 s and solve for the position, x?
The slope of the graph, A, and the starting position of the ball, B, can be used to determine the position of the ball
The position of the ball at time t = 0.00231 s is 59.933 cmReason:
Question; The possible function representing the given equation is presented as follows;
x = A·t + B
Where;
A = 2.59 × 10⁴ [tex]\frac{cm}{s}[/tex]
B = 0.104 cm
t = Time in seconds (s)
x = The position (cm)
Required: The value of the position when t = 0.00231 s
Solution:
The position time graph of an object moving with a constant speed is a straight line with an equation of the form y = m·x + c
Plugging in the value of t = 0.00231 in the given equation gives;
x = 2.59 × 10⁴ × 0.00231 + 0.104 = 59.933
The position x of the ball at time, t = 0.00231 s is 59.933 cm
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ok i bet this one will suprise you when i tell you the answer
how many atoms are in the world no looking it up i want your honest gusse.
Answer:
i don't know like maybe
Explanation:
1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
A body of mass m when released from rest from a height h, hits the ground with speed sqrt gh . Find work done by resistive force.
Pleaseeeee hellop
Answer:
If the work done by a resistive force is W then
W = F d = m a d where a is the acceleration of the object and d the distance traveled during this acceleration,
The object started with potential energy E = m g h
m g h = m a d
d = g h / a where d is the distance traveled
What is Newton's first law of motion?
A. For every force there is an equal and opposite reaction force.
B. If a net force is applied to an object, then the object will accelerate.
C. An object will remain at rest or continue moving in a straight line with a constant speed unless acted on by an unbalanced force.
D. The gravitational force between two objects is proportional to their masses and inversely proportional to the distance between them.
Answer:
C
Explanation:
Newton's first Law of Motion is also known as law of inertia, which states that "an object at rest remains at rest, and an object that is moving will continue to move straight and with constant velocity, if and only if there is no net force acting on that object". As such, the correct option should be C.
Option A is Newton's third Law of Motion.
Option B is Newton's second Law of Motion
Option D is Newton's Law of Universal Gravity
which type of thermal energy trnasfer dose a foil wrapping reduce the most
Answer:
Conduction
Explanation:
Hope this helps :)
pls make brainliest :p
Name nine elements that have been around so long that we don't even know when they
were discovered?
Nine elements that have been known since ancient times, and their discovery dates are not precisely recorded are Gold (Au), Silver (Ag), Copper (Cu), Iron (Fe), Lead (Pb), Tin (Sn), Mercury (Hg), Sulphur (S) and Carbon (C).
1. Gold (Au): Gold has been used by humans for thousands of years, with evidence of its use dating back to ancient civilizations like the Egyptians, Sumerians, and Indus Valley people.
2. Silver (Ag): Like gold, silver has a long history of human use and has been mined and utilized for various purposes since ancient times.
3. Copper (Cu): Copper is one of the oldest metals known to humans, and its use dates back over 10,000 years. It was one of the first metals to be smelted and used in tools, weapons, and art.
4. Iron (Fe): Iron is another ancient element that has been used for thousands of years. Early civilizations discovered iron in meteorites and later learned to smelt it from iron ores.
5. Lead (Pb): Lead has been known to humans since ancient times and was used by the ancient Egyptians, Greeks, and Romans. It was widely used in plumbing, as well as for making containers and pigments.
6. Tin (Sn): Tin has been used by humans for thousands of years, mainly in the form of an alloy called bronze (copper-tin alloy), which was crucial for the Bronze Age.
7. Mercury (Hg): Mercury has a long history of use in various cultures for medicinal, alchemical, and decorative purposes.
8. Sulphur (S): Sulfur has been used since ancient times for various purposes, including medicine, bleaching, and as a component in sulfuric acid production.
9. Carbon (C): While the element carbon itself has always existed on Earth, the awareness of its presence and significance as an element is ancient.
These elements were used by ancient civilizations for various purposes such as jewelry, tools, construction, and religious rituals. Their discovery dates are lost in antiquity, as they have been known to humans for thousands of years.
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7.According to the periodic table, how many total particles are there in the nucleus of a Titanium, Ti, atom?
Answer:
there are 22 massive, positively charged, fundamental particles in the element's nucleus. Given this, the element is unquestionably titanium.
The nucleus of titanium contains 46 particles in total in which 22 protons and 26 neutrons.
What is atomic nucleus?The atomic nucleus can be described as the small and dense region containing of protons and neutrons at the center of an atom. An atom is made of a positively charged nucleus, with electrons surrounding it, bound together by electrostatic force.
Almost all of the mass of an atom is concentrated in the nucleus as the mass of electrons is negligible. Neutrons and Protons are bound together to create a nucleus by the nuclear force.
The diameter of the nucleus is about 1.70 fm for hydrogen to about 11.7 fm for uranium. Protons and neutrons are fermions, are the particles present inside the nucleus.
The titanium has 22 protons and 26 neutrons in its nucleus so it has 46 particles in its atomic nucleus.
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When salt is dissolved in water it actually breaks down into two different substances is salt composed of atoms or molecules
Answer:
Salt is an ionic compound, consisting of a crystal, lattice structure of the two ions Na+ and Cl-. Salt water is full of sodium chloride molecules. ... The chlorine has one extra electron and its outer electron shell is complete, so like sodium it too cannot bond with other atoms.
Have a good day! <3Miss Hawaii
Answer:
Something like table salt (NaCl) is a compound because it is made from more than one kind of element (sodium and chlorine), but it is not a molecule because the bond that holds NaCl together is an ionic bond.
when the speed of a moving car is doubled, how much more kinetic energy does it have?
Answer: 4 times
Explanation:
KE1 = (1/2)mv^2
KE2 = (1/2)m(2v)^2 or (1/2)m*4v^2
KE2/KE1 = ((1/2)m*4v^2)/((1/2)mv^2) = 4 times
NEED HELP!!! 12 POINTS!!!
Imagine that you are holding a weight. Why is there more benefit if you lift the weight by bending at the elbow than if you swing your arm?
options:
A.
There is no resistance involved if you are swinging your arm.
B.
There is very little motion if you are bending your arm at the elbow.
C.
The weight is an unbalanced force that requires momentum to be moved.
D.
Bending the arm creates a lever and more resistance than swinging the weight.
PLEASE NO LINKS
Answer:
this is actually
Explanation:
6 points
Answer:
helppppp
Explanation:
trong trường hợp nào các vật rơi tư do với cùng một gia tốc g ?
which particle is transferred from one object to another to create a static charge?
Answer:
The answer is A: Electron
Because they are loosely bounded and can be easily transferred. The protons are bounded to the nucleus so they cant be transferred.
It cant be an atom or a molecule.
Explanation:
What are the answers to this
Answer:
i cant even see that no one can i will answer it if u can make it bigger
Explanation: eyes
How much energy is required to take 500g of ice at -40 degrees to water at room temperature (22 degrees Celsius)? Show work pls
Answer: Given that:
Mass (m) = 20 g = 0.02 Kg,
temperature (T₁) = -10°C = -10+273 = 263 K
temperature (T₂) = 10°C = 10+273 = 283 K
Specific heat of water (Cp) = 4.187 KJ/Kg k
We know that Heat transfer (Q) = m. Cp.( T₂ - T₁)
= 0.02 × 4.187 × (283-263)
Q = 1.67 KJ
Heat transferred is 1.67 KJ
Explanation:
will give correct answer brainliest
Answer:
West
Explanation:
This is because the first caar has more mass
An astronaut holds a rock 100m above the surface of Planet X. The rock is then thrown upward with a speed of 15m/s, as shown in the figure. The rock reaches the ground 10s after it is thrown. The atmosphere of Planet X has a negligible effect on the rock when it is in free fall. Determine the acceleration due to gravity on Planet X.
The acceleration due to gravity of the planet X is 1 m/s².
The given parameters;
height above the ground, h = 100 minitial velocity of the rock, u = 15 m/stime of motion of the rock, t = 10 sThe acceleration due to gravity is calculated as follows;
[tex]h = ut - \frac{1}{2} gt^2\\\\100 = 15(10) - (0.5\times 10^2)g\\\\100 = 150 - 50g\\\\50g = 150-100\\\\50g = 50\\\\g = 1 \ m/s^2[/tex]
Thus, the acceleration due to gravity of the planet X is 1 m/s²
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what is net netforce?
guys help I'm doing a music test today
The frequency of a sound in a 8 m long metal rod is 250 Hz. There are two complete sound waves in the rod. The speed of sound in this metal is
[tex]\\ \sf\longmapsto v=f\lambda[/tex]
[tex]\\ \sf\longmapsto v=250(8)[/tex]
[tex]\\ \sf\longmapsto v=2000m/s[/tex]
The free body diagram for an object is
projected. Calculate the net force acting on
the object. If this object is 10 kg,
how/where will it accelerate?The free body diagram for an object is
projected. Calculate the net force acting on
the object. If this object is 10 kg,
how/where will it accelerate?
Answer:
the free-body diagram shows the vectors for all the forces acting on the body. The resultant vector found by summing all the individual vectors represents the net force. Since F = ma, the acceleration vector will point in the same direction as the net force, with a magnitude of F / m
Explanation:
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HELP I SUBMITTED 30 POINTS
Find calculated displacement.
Velocity - 70 m/s
Time - 4s
Initial position- 0m
Final Position- 50m
Calculated Displacement(m) - ?
No spam Ive had enough of that
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
Let's Calculate the displacement :
we know that displacement is the shortest distance between two points (i.e final position - initial position). so here displacement :
50 - 0 = 50m