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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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A box is in contact with a floor with a coefficient of friction of 0.50. If the box has a normal force of 500N, what force do have to push with to move the box? HELPPP
Answer:
250N
Explanation:
Coefficient of friction=frictional force/Normal force
coefficient of friction= 0.5Normal force(R)= 500NFrictional force (Fr)= ?0.5= Fr/500N
Fr= 500N×0.5 = 250N
Fr= 250N
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.
find an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along the wedge. all surfaces are frictionless.
We have that the expression for the magnitude of the horizontal force F is
[tex]F=(m_1+m_2)gtan\phi[/tex]
From the question we are told
find an expression for the magnitude of the horizontal force f in the figure for which m1 does not slip either up or down along the wedge. all surfaces are friction-less.
Generally the equation for Normal force is mathematically given as
[tex]N=\frac{n_2g}{cos\pji}[/tex]
Where
a signifies acceleration
[tex]Nsin\phi=m_2a[/tex]
Therefore
Equating above equations
[tex]a=\frac{Nsin\phi}{m^2}\\\\a=gtan\ph[/tex]i
Generally the equation for Force on wedge is mathematically given as
[tex]F=m_1a+Nsin\phi[/tex]
[tex]F=(m_1+m_2)gtan\phi[/tex]
Therefore
The expression for the magnitude of the horizontal force F is
[tex]F=(m_1+m_2)gtan\phi[/tex]
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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:
ewan ko kung tama
A 4.5 kg box is being pulled by a girl using a string that makes an angle of 20° horizontal. Find the force of friction if the force exerted on the string is 15 N and the coefficient of friction is 0.5.
Answer:
Fcoso-f =ma. F= ma 15 = 4.5 a then get acceleration. Fcoso- umg = ma then get friction
How much work is required to lift a 21 N rock 7 m above the ground?
Answer:
Explanation:
w=-ΔU=-HF=-21×7=-147J
Một đoạn mạch gồm R1=8 ôm;R2=12 ôm.biết R1 nối tiếp với đoạn mạch gồm R2 song song với R3; R3=1/2 R2 cường độ dòng điện chạy qua mặt chính là 2A
a. Hãy vẽ sơ đồ mạch điện trên
b. Tính điện trở tương đương toàn mạch
c. tính cường độ dòng điện qua mỗi điện trở
Answer:
Explanation:
a.
b. R3= 1/2R2=6 ôm
R12= R1+R2=20 ôm
Rtđ=R12.R3/R12+R3= 4,62 ôm
c. U= I.Rtđ = 2.4,62=9,23 V
I1=I2= 9,23/20= 0,4615 A
I3= 2-0,4615=1,5385 A
Physics acceleration
A force of 360 N [East] was applied by a student on a box with a mass of 50 kg.
What is the acceleration of the box if a frictional force of 340 N acts in the
opposite direction?
F = F⁰ - Ff
F = 360 N - 340 N
F = 20 N
F = m × a
20 N = 50 kg × a
a = 20 N / 50 kg
a = 0.4 m/s²
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The acceleration of the box when the frictional force of 340 N is applied to the box will be 0.4 m/s².
What is acceleration?In mechanics, acceleration is the measure of how quickly the velocity of an object changes with respect to time. The magnitude of accelerations as a vector. The acceleration of an object depends on the direction of the net force acting on it.
It is a vector quantity because acceleration has both a magnitude and a direction. Additionally, velocity is a vector quantity. The change in the vector of velocity during a period of time divided by the period of time is the definition of acceleration.
According to the question,
F = F⁰ - [tex]F_f[/tex]
F = 360 N - 340 N
F = 20 N
Force = m × a
20 N = 50 × a
a = 20 N / 50 kg
a = 0.4 m/s²
So, the acceleration of the box will be 0.4 m/s².
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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.
which situation is an example of transferring heat by means of convection?
A situation that involves the transfer of heat by means of convection must involve the exchange of fluid currents such as land and sea breezes.
Heat transfer by convection is a method of heat transfer by which heat is transferred between two bodies through through currents of moving fluids or gases.
The following are examples of heat transfer by convection;
land breezes cooling the sea at nightsea breezes cooling the land during the dayboiling of watercirculation of blood, etcThus, a situation that involves the transfer of heat by means of convection must involve the exchange of fluid currents such as land and sea breezes.
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what is the average acceleration of a car that is initially at rest at a stop light and then accelerates to 24 m/s in 9.4 s?
Answer:
Below
Explanation:
To find the acceleration of the car you can use this formula :
vf = vi + at OR a = v/t
I'm going to use the first one because it explains the steps more clearly :
vf = 24 m/s
vi = 0 m/s
t = 9.4 s
a = ?
24m/s = 0 + (a)(9.4s)
24m/s = a9.4
Divide both sides by 9.4
a = 2.55319 m/s^2
Round to 3 sig figs
a = 2.6 m/s^2
Hope this helps! Best of luck <3
imagine your self as a basketball player.
Answer:
yap
Explanation:
so easy
thanks for free
If I imagine to be a basketball player than I fell too proud on myself...
yall is this right
List the waves of the electromagnetic spectrum in order from Radio to Gamma waves. Be sure to also discuss what each type of wave is used for.
radio wavesAn electromagnetic wave of a frequencyAs used for long-distance Communications, microwavesMicrowaves are electromagnetic waves with wavelengths no longer than Tara Hearts wave links but relatively short for radio waves wavelength for microwaves have approximately in the range of 30 cm to1 mm, infraredHaving a wavelength greater than that of the red end of the visible light spectrum but less than the microwaves infrared radiation has a wavelength from about 800 NM to 1 mm it is emitted particular rarely my heated objects, optical Refers to electromagnetic radiation in the wavelength range between 100 NM and 1 mm the terms a light invisible radiation referred to the wavelength between 400 nm and 800 in in which can be perceived by the human eye, ultravioletThe UV region covers the wavelength range 100 to 400 in m and is divided into three brands UVA UVB and UVA CC, X-raysX-rays wavelength or shorter than the UV rays and are typically longer than those gamma rays, and gamma-rays Have the smallest wavelength and are most energy of a wave in the electromagnetic spectrum they are produced by the hottest and most energetic objects in the universe such as neutron stars and pulsars Supernova explosions and regions around black holes
Answer:
(A)
Explanation:
ITS A ok ok bye
15. What is velocity, and how is it useful for describing an object's motion?
Velocity describes motion by indicating how fastan object moves and in what direction. Speed is a magnitude of velocity, which indicates only how fast an object moves. Speed shows how much distance is traversed in a given interval of time: In a general case of motion,.
which plane divides the body into right and left halves
Why doesn’t an orbiting satellite fall back to earth?
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=490NWhat 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
trong trường hợp nào các vật rơi tư do với cùng một gia tốc g ?
when light bounces off a rough surface, in different directions, what is this called?
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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what is net netforce?
Pete is driving down 7th street . He drives 150 meters in 18 seconds. Assuming he does not speed up or slow down, what is his speed in km per minute
Answer:
His speed is 8.333 m/s.
Explanation:
explain hydraulic car jack with diagram
Answer:
what diagram
Explanation:
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:
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:
If the distance around a circular track is 2.0km and if runners run 3 laps, what is the distance travelled?
a) 2 km
b) 0km
c) 3 km
d) 6 km
Answer:
d=6km
Explanation:
because multiply 2x3 is six
Placed on the number line, is 1/7 closer to 0, 1/2 or 1?
Answer:
0 as 1/7 = 0.142857143
1/7 = 5/35
We can get this number by 1/7 x 1000 = 1000 / 7
= 142.857143
Then move 3 decimal place.
if a velocity time graph is hortizontal then velocity is
Answer: If a velocity time graph is horizontal then the velocity is constant and there is no acceleration.
Which 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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