Answers
The answer is C
Option C,
The goal of a theory is to explain natural and physical phenomena.
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(Answered by Benjemin)
Related Questions
Relate states of matter with heat by a proper graph and describe the graph fully by your
own words.
Answers
If you are adding heat to a sample at a constant rate, you plot the temperature against time.
Temperature is the vertical axis. Time is the horizontal axis. You get a graph like the diagram below.
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If you heat the solid, it gradually warms up. You get the blue line in the graph above.
At some point, the solid will melt. You reach a plateau where the temperature remains constant as long as both solid and liquid are present. The heat energy is used to convert the solid into a liquid, so the temperature does not change.
Once the solid has melted, the added heat goes into warming up the liquid. You get the green line in the graph.
At another point, the liquid will boil. You reach a second plateau where the temperature remains constant as long as both liquid and gas are present. The heat energy is used to convert the liquid into a gas. Again, the temperature does not change.
Once the liquid has disappeared, the added heat goes into warming up the gas. You get the red line in the graph.
An increase in temperature leads to an increase in absorbed heat which in turn leads to a change in state of the substance/matter.
From the graph attached below the increase in temperature causes the change in state of the matter ( i.e. water from solid to a gaseous state ), while the plateau represents the transition phase it also indicates the exact temperature wherein the substance changes from one state to another. as the temperature increases the substance absorbs more heat which leads to its change in state.
Attached below is a graphical representation describing the change in state of a substance ( water )
From the graph we can conclude that an increase in temperature leads to an increase in absorbed heat which in turn leads to a change in state of the substance.
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Một hòn đá được ném từ đỉnh của một tháp cao 45m theo phương nằm ngang với vận tốc ban đầu v0 = 15m/s. Bỏ qua lực cản không khí. Cho g = 10m/s2. Xác định:
a. Tầm bay xa và thời gian bay của hòn đá.
b. Vận tốc, gia tốc tiếp tuyến, gia tốc pháp tuyến của hòn đá khi chạm đất.
Answers
Answer:
What????????????????????????????
What are the similarities between theory and law ?
Answers
A law is created using a theory
Hope this helps you!!!
An armadillo and Earth attract each other gravitationally. Which experiences the greater gravitational force, or do they experience the same force magnitude?
a. Same force magnitude
b. Earth
c. Armadillo
Answers
Answer:
a. Same force magnitude
i need help i was at school in high school because i am in 9 grade a kid name summer ebby is makeing me mad she never stops talking she makes me mad and upset she says like can i ask a question or can i ask you she never stops talking what i should do if a student do not stops talking
Answers
A body is travelling with a velocity 30 m/s².what will be its velocity after 4s?
Answers
Answer:
70m/s²
Explanation:
we will use the first equation of Dalton to find it
You have three flowers. You give
each a different amount of
water. What do you think is the
dependent variable?
Answers
Answer:
The plant growth height
Explanation:
An engineer is given the task of comparing the fuel efficiency of four car models. She reports the following findings: Model 1, 14 kilometers per liter. Model 2, 9 miles per liter. Model 3, 56 kilometers per gallon. Model 4, 1600 meters per liter. The data for which two models consistently follow the use of SI units?
A.
Models 1 and 4
B.
Models 1 and 3
C.
Models 2 and 3
D.
Models 3 and 4
Answers
Answer:
the ans is:-
Model 4
because it uses meters
efficincy of simple machine is 60% what does it mean?
Answers
Explanation:
By the statement, Efficiency of a machine is 60% it is meant that 'The work output is 60% of the work input'. If you apply 100J of energy for a machine, it will be able to life load of 60 J only
calculate the valocity of water wave if the frequency is 400hz the wavelength is 6m and amplitude of the wave is 3.76cm
Answers
Explanation:
V = 400x6 = 2400m/s
V = 2400m/s
The velocity of a water wave if the frequency is 400hz the wavelength is 6m and the amplitude of the wave is 3.76cm will be 2400 m/s.
What is Wavelength?
It can be understood in terms of the distance between any two similar successive points across any wave for example wavelength can be calculated by measuring the distance between any two successive crests.
The velocity of water wave = Wavelength x Wave Frequency
= 6 × 400 m/s
=2400 m/s
Thus, The velocity of a water wave if the frequency is 400hz the wavelength is 6m comes out to be 2400 m/s.
Learn more about wavelength
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If My mom is 40 and my goldfish died what is my favorite color ?
Answers
Answer:
square
Explanation:
+=-=
Answer:
SɴOWʙʟØWɘR
Explanation:
what iz kinematics ???
Answers
Answer:
the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion
Explanation:
The working principle of a washing machine is
A) reverse osmosis
B) diffusion
C) centrifugation
D) dialysis
Answers
Explanation:
The working principle of a washing machine is centrifugation .
Answer:
The correct option is C) centrifugation
Explanation:
The washing machine consists of a centrifuge for this purpose. A centrifuge is a piece of equipment that puts an object in rotation around a fixed axis, applying a force perpendicular to the axis of spin that can be very strong.
find application in physics that are mention and discuss
Answers
Answer: Application of physics:
describing the motion, forces and energy of ordinary experience. In actions such as walking, driving a car or using a phone, physics is at work. For everyday living, all the technologies you might take for granted exploit the rules of physics.
Give reason The SI system of unit is better than the MKS system
Answers
There are two primary reasons that SI is better than MKS. Both reasons come under the category that the MKS system is a proper subset of SI. That means that SI will do everything that MKS does, so you do not lose anything of MKS in going to SI but the are things that SI offers that MKS does not
How to answer this question?
Answers
Answer:
measure the vector diagram first
relationship between magnetism and electromagnetism
Answers
Answer:
The key difference between the two is that magnetism refers to the phenomena associated with magnetic fields or magnetic forces, whereas the term electromagnetism is the type of magnetism produced by electric current, and is associated with both magnetic fields and electric fields.
A car is accelerating at 6 m/s2. How long would it take the car to go 12 m/s faster?
Answers
Answer:
2 seconds
Explanation:
Each second, it increases its speed by 6 m/s, so it will take 2 seconds for the speed to increase by 12 m/s.
these questions !plz !! i need help!!!
Answers
(6) Wagon B is at rest so it has no momentum at the start. If v is the velocity of the wagons locked together, then
(140 kg) (15 m/s) = (140 kg + 200 kg) v
==> v ≈ 6.2 m/s
(7) False. If you double the time it takes to perform the same amount of work, then you halve the power output:
E / (2t ) = 1/2 × E/t = 1/2 P
if there were fewer plants on earth how would our atmoshere change
Answers
less oxygen?
Explanation:
Answer:
if there was less plants, there would be more carbon dioxide (and less oxygen) because they wouldnt be using it up for food.
Explanation:
when ideal gas is heated at constant pressure then P.E..
(a)decreases
(b)increases
(c)remains the same
(d)none of these
Answers
Answer:
B increases hope this is right
6. A journalist is testing the acceleration of a new car. He measures the final velocity of the car to be 15 m/s. If the
car was initially stopped 10 s before the journalist made her measurement, what is the car's acceleration?
Answers
Answer:
1.5 m/s^2
Explanation:
Don't rlly understand the question, but I'll just take it as the initial velocity is 0
a = 15 - 0
- - - - - -
10
= 1.5 m/s^2
In a wire a current of 6 A is flowing for 6 seconds. How much charge has flown through the wire during that time?
For brainliest
Answers
Answer:The answer is 36 since every second it give 6 that would be 6x6 which equal 36
Explanation:
36 Coulomb of electric charge is flowing through the wire.
Explanation:
Given that,
Current flowing in the wire, I = 6 A
Time, t = 6 seconds
To find,
The charge flowing through the wire.
Solution,
The rate of flow of electric charge per unit time is called electric current. Mathematically, the electric current is given by :
[tex]I=\dfrac{q}{t}\\\\q=It[/tex]
Putting all the values,
[tex]q=6\times 6\\\\q=36\ C[/tex], C is coulomb
Reference,
https://brainly.com/question/1418143
Is the following research description experimental, descriptive, or applied?
Jenna does a study to see if sugar and hyperactive behavior in children are related.
Answers
Answer:
It is experimental. She will testing or investigating on children. So yeah, it is experimental
convert 5.6 bushels to hectoliters
bom
(2.8 bushels = 1
1 hectoliter)
ets
2.0 hectoliters
O
lar
O
6.5 hectoliters
3.6 hectoliters
Answers
Answer:
Explanation:
5.6 bushel(1 hectoliter/2.8 bushel) = 2.0 hectoliters
how many times larger than a centigram is a dekagram
Answers
Answer:
A dekagram is thousand (1000) times larger than a centigram.
Explanation:
→ [1 dekagram = 1,000 centigrams]
→ 1 dekagram = 10 grams
→ 10 grams = 100 decigrams
→ 100 decigrams = 1,000 centigrams
A rock is dropped from a cliff, how far does it drop in 1.4 seconds?
What is the speed of a rock dropped from a cliff after 2.7 seconds?
Answers
Answer:
Explanation:
1) either all the way to the ground, or, if the cliff is high enough,
h = ½(9.8)1.4² = 9.6 m
2) If the cliff is high enough and we ignore air resistance
v = 9.8(2.7) = 26 m/s
infrared thermometers are commonly called laser thermometers true or false?
Answers
Answer:
FalseExplanation:
They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns, to describe the device's ability to measure temperature from a distance. Infrared thermometers are a subset of devices known as "thermal radiation thermometers".
A construction worker is working on top of a building that is 305m tall. He finishes a pop can and throws it off the top of the building with a velocity of 4.9m/s. Ignoring air resistance, how far did the pop can land from the base of the building?[39m]
Answers
Answer:
Explanation:
We do not know because we do not know what the throw angle was.
If we ASSUME a horizontal throw,
time to drop from vertical rest.
t = √(2h/g) = √(2(305)/9.8) = 7.89 s
horizontal distance covered
d = vt = 4.9(7.89) = 38.658... which rounds to 39 m
hopefully his co-workers are under cover as the velocity at ground impact would be 77 m/s or 278 km/hr ... speeds which could cause severe injury or death from the impact of an empty aluminum can. Fortunately real air resistance will reduce the terminal velocity greatly. Still a stunt that would get most workers fired immediately.
it is sometimes----- at night in lagos cold or colder
Answers
Answer:
-3.1512
Explanation:
is just is
