Answer:
1500
Explanation:
because it takes 1 calorie to raise one gram of water to one degree Celsius.
A tea kettle is boiling on the stove, and all of a sudden the whistle in the spout of the kettle starts shrieking. Steam rising from the boiling water causes the whistle to sound. What part of the water cycle does the steam represent
Answer:
Condensation is your answer
Explanation:
Condensation is the process of steam rising back into the atmosphere and the steam would be the evaporation "steam" hope this helped
Steam rising from the boiling water causes the whistle sound, which means that the convection part of the water cycle is present here.
What is convection?The process of convection entails the movement of a heated fluid, such as air or water, in order to transfer heat.
Convection is caused by the fact that most fluids have a tendency to expand when heated, which causes them to become less dense and rise due to the increased buoyancy. The homogeneous heating of air in a heated room or water in a kettle is due to circulation generated by this effect: heated particles expand the area they move in by moving faster against each other, rise, and afterwards cool and close again, increasing density and causing a corresponding sinking.
In forced convection, fluid is carried using mechanisms other than those that result from differences in density with temperature. Examples of forced convection include the air movement by a fan or water by a pump.
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What is the free-fall acceleration at its surface, in terms of the free-fall acceleration g at the surface of the earth?.
can someone please answer this, ill give you brainliest and your also getting 100 points.
Explanation:
They are usually found in mid ocean Means arrow heads should be opposite facing to each other by which plates can form ocean.African and south American plate is correct
What are the effects of gravity if you and a classmate are dropped out in space very far away from anything else
The effects of gravity if we were dropped out in space is the feeling of weightlessness.
What is Gravity?This is defined as the universal force of attraction acting between all matter.
In space, there is no ground to push against astronauts hence the feeling of weightlessness by the astronauts which was why it was chosen as the nost appropriate choice.
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Do you think radio waves and x-rays are types of light?
Answer:
yes, radio waves and x-rays are type of light.
How does heat flow from one object to the other?
Answer:
Conduction, convection or radiation
Explanation:
Hope I could help. If you need more detail about one type, then coment below
Here is your Answer:-
Heat flow relies heavily on the concept of conduction. Basically, the transfer of the heat energy relies on free electron diffusion. In order for the heat to move from one object or material to another, adjacent atoms vibrate against each other. This is caused by the electrons moving from one atom to another.
what will be the final velocity of a vehicle, if it started from rest and accelerates at 4m/s² after 5 seconds?
Answer:
v = 20 m/s
Explanation:
Let's use v = u + at for uniform acceleration.
v = finaly velocity
u = initial velocity
a = acceleration
t = time
Since we start from rest, our initial velocity is zero.
[tex]v = 0 + 4(5)[/tex]
[tex]v = 20 m/s[/tex]
2 pts
What is a Push or Pull?
Force
O Weight
O Mass
Answer:
It is Force
Explanation:
A Force is a push or pull upon an object resulting from the objects interaction with another object.
Predict what would happen to the volume of a gas if the pressure on that gas were doubled
and then the absolute temperature of the gas was doubled
[tex]\tt \dfrac{P_1V_1}{T_1}=\dfrac{P_2V_2}{T_2}\\\\V_2=\dfrac{P_1V_1T_2}{P_2T_1}=\dfrac{P_1V_12T_1}{2P_1T_1}=V_1[/tex]
A material that can be magnetized
A. has magnetic domains.
B. is called ferromagnetic.
C. must contain iron.
D. two of the above
Who ever gets it right I will give 20 points and Brainly
Answer:
the reflection of the candle in the concave mirror formed upside down real image that is diminished
Why is light referred to as an electromagnetic wave.
they have oscillating electric and magnetic fields
According to Jean Piaget, unrealistic idealism often occurs in adolescence as a result of __________. Rational thought egocentrism environmental conditions lack of education.
According to Jean Piaget, unrealistic idealism often occurs in adolescence as a result of egocentrism. The inability to distinguish between self and others is referred to as egocentrism.
What is egocentrism?The inability to distinguish between self and others is referred to as egocentrism. It is, more precisely, the incapacity to effectively assume or comprehend any viewpoint other than one's own.
Egocentrism may be present in every stage of life, including childhood, adolescence, and maturity.
Hence option B is correct. According to Jean Piaget, unrealistic idealism often occurs in adolescence as a result of egocentrism.
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Answer:
egocentrismgot it right⬇️✅
someone please answer this ill give you brainliest and your getting 100 points.
Answer:
pacific and Australian
Explanation:
a covergent boundary is when to plates move towards eachother and the arrows show that the arrows are facing each other
Answer:
Pacific and Australian
Explanation:
Convergent boundaries are where two plates come together. Either tall mountains are formed on land or deep trenches in the ocean. There are deep ocean trenches where the Pacific and Australian plate converge.
good morning to you all! can someone please answer this, ill give you brainliest and your earning 50 points.
[tex][Hello,BrainlyUser][/tex]
Answer:
False
Explanation:
Some places are more endowed than others.For example, some regions have lots of water (ocean and seas). While others have lots of minerals and forestlands. In addition, other have metallic rocks, wildlife, fossil fuels, and so on. Thus, we can conclude that Natural resources are not evenly distributes across the world.
[CloudBreeze]
Natural resources are evenly distributed across the world
O True
O False ✓
Natural resources are unevenly distributed throughout the earth crust. Somewhere the amount of a particular source is plentiful whereas the other side , it's lacking , hence,the distribution isn't evenDifference between plastic and rubber
Answer: hope it helps you....
Telescope A had an aperture of 15 cm while telescope B that of 5cm how many times of light gathering power does telescope A have compared with telescope B
Answer:
Light gathering power is related to the area of the lens aperature:
Aa / Ab = (15 / 5)^2 = 9 since the area of an aperature is proportional to the square of the radius
help please! I will mark brainliest!!
The normal force of the ground on the skater depends on the skater's weight.
What is normal force?
This is the upward force on an object usually exerted by the ground due to the weight of the object acting downwards.
Vertical force on the skaterThe net vertical force on the skater is zero.
W - Fₙ = 0
W = Fₙ
where;
W is the weight of the skaterFₙ is the normal force of the skaterThe normal force of the skater is equal to the weight of the skater acting downwards.
Thus, the normal force of the ground on the skater depends on the skater's weight.
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If a load of 600 N is overcome by a simple machine using an effort of 400 N. Calculate the mechanical advantage.
ㅤ➙ Mechanical Advantage= 1.5
Solution:Mechanical advantage allow to perform tasks much easier in terms of the force needed to apply, but must always obey the conservation of energy. Mechanical advantage is the measure of the ratio of output force to input force needed in a system, used to analysis the force in simple machines like livers and pulleys.
Mechanical advantage is given by:
[tex] \qquad\hookrightarrow\quad {\pmb{\sf{MA =\dfrac{Load}{effort} }} }[/tex]
We are provided with:
Load = 600 NEffort = 400 NTherefore,
[tex] :\implies\quad \sf{MA = \dfrac{L}{E} }[/tex]
[tex] :\implies\quad \sf{ MA = \dfrac{6\cancel{00}}{4\cancel{00}}}[/tex]
[tex] :\implies\quad \sf{MA=\dfrac{6}{4} }[/tex]
[tex]: \implies\quad \sf{ MA =\dfrac{3}{2}}[/tex]
[tex]: \implies\quad\underline{\underline{\pmb{ \sf{ MA = 1.5}}}}[/tex]
ㅤㅤ ㅤㅤ~Hence, the mechanical advantage is 1.5
Question :-
If a Load of 600 N is overcome by a Simple Machine using an Effort of 400 N . Calculate the Mechanical Advantage .Answer :-
Mechanical Advantage is 1.5 .[tex] \rule {180pt} {2pt} [/tex]
Given :-
Load = 600 NEffort = 400 NTo Find :-
Mechanical Advantage = ?Solution :-
As per the provided information in the given question, the Load is given 600 N . Effort is given as 400 N . And, we have been asked to calculate the Mechanical Advantage .
For calculating the Mechanical Advantage , we will use the Formula :-
[tex] \bigstar \: \: \boxed{ \sf{ \: Mechanical \: Advantage \: = \: \dfrac{Load}{Effort} \: }} [/tex]
Therefore , by Substituting the given values in the above Formula :-
[tex] \dag \: \: \sf{Mechanical \: Advantage \: = \: \dfrac{Load}{Effort} } \\ [/tex]
[tex] \longmapsto \: \: \sf{Mechanical \: Advantage \: = \: \dfrac{600}{400} } \\ [/tex]
[tex] \longmapsto \: \: \sf{Mechanical \: Advantage \: = \: \dfrac{6}{4} } \\ [/tex]
[tex] \longmapsto \: \: \sf{Mechanical \: Advantage \: = \: \dfrac{3}{2} } \\ [/tex]
[tex] \longmapsto \:\textbf{ \textsf{Mechanical Advantage = 1.5}} \\ [/tex]
Hence :-
Mechanical Advantage = 1.5 .[tex] \underline {\rule {180pt} {4pt}} [/tex]
What colour is the live wire in modern electric cable?
(I NEED THIS ANSWERED NOW PLEASE)
Zeros that follow non-zero numbers and are also to the right of a decimal point are ________ significant.
fill in the blank please.
Answer:
Zeros that follow non-zero numbers and are also to the right of a decimal point are significant.
Explanation:
For example:
0.300 has 3 significant figures.
5.400 has 4 significant figures.
A typical consumer purchases a set of smart light bulbs. The set comes with a centralized connection device and basic instructions for installation. For most of these types of devices, what steps may be involved in configuring them?
In order to properly configure the smart light bulbs, buyers should read the installation and configuration manual before connecting or using them to avoid possible damage due to improper handling.
What is the user manual?The user manual is a tool that is usually included when we buy a product. This manual includes all the characteristics of the object that we have purchased and the recommendations and specifications for correct use and maintenance to prolong its useful life.
According to the above, what the common buyer should do to prevent their bulbs from being damaged and to be able to configure them properly is to read the user manual.
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calculate the kinetic energy of a ball of mass 50g travelling of 30m/s how much work will need to be done to stop the ball
kinetic energy of the ball of mass 50 g and velocity of 300m/s is 22.5 J. The work done need to stop the ball is equivalent to its kinetic energy. Thus, 22.5 J of work done is needed.
What is kinetic energy?The kinetic energy of an object is the energy generated by virtue of its motion. It is related to its mass and velocity by the expression written below:
Ke = 1/2 m v²
Thus, kinetic energy increases with mas and velocity.
Given that, mass of the ball = 50 g = 0.05 kg
velocity of the ball = 30 m/s
then Ke = 1/2 × 0.05 kg × 30 m/s × 30 m/s = 22.5 J.
The energy of the body when it is moving is in the form of kinetic energy. This energy of the body is equivalent to the work done on the body to stope it. Therefore, work done on the ball needed to stop it is 22.5 J.
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Sara was walking from her car to the beach. To do this she travelled 314.9 m [N] and another 604.9 m [26.7° W of N]. The total displacement in the north direction that Sara travelled is ______m [N]. Record your answer to 1 decimal place.
Which direction does heat flow from?
hot to cold
cold to hot
hot to hot
cold to cold
Answer:
A.) Hot to cold.
Explanation:
I took the quiz on Edge, 2022.
(See the attachment below.)
Hope this helped! <3
Based on scientific information, the direction that heat generally flow from is: A. hot to cold.
What is heat?Heat is also known as thermal energy and it refers to a form of energy that is only transferred from an object to another due to a difference in temperature.
During the process of heat conduction, heat would only be transferred between objects that are having different levels of temperature and objects that are directly in contact with one another.
In conclusion, heat is generally transferred from a hot object to a cold object as a result of their varying temperature.
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Calculate the resistance of the circuit and the amperage through all the resistors.
R = 2 Ω, R1 = 2 Ω, R2 = 4 Ω, R3 = 4 Ω, U2 = 2 V.
Choose one:
a.
R = 10 Ω; I = 5 A; I1 = 2 A, I2 = I3 = 1.5 A.
b.
R = 3 Ω; I = 1,5 A; I1 = 1 A, I2 = I3 = 0,5 A.
c.
R = 3 Ω; I = 2 A; I1 = 1 A, I2 = I3 = 0,5 A.
Answer: C
Explanation:
Resistors R1, R2 and R3 are in parallel so
1/R1 + 1/R2 + 1/R3 = 1 ohm
adding Resistor 'R' make it 2ohm + 1 ohm = 3 ohm
Whereas for current use formula I = V/R
Frequency = 458 Hz
Wavelength = 0.74 m
What is the velocity of the wave?
The velocity of the wave having a frequency of 458 Hz and a wavelength of 0.74 m is 338.92 m/s
Velocity of a waveThe velocity of a wave is related to its frequency and wavelength according to the following equation:
Velocity (v) = wavelength (λ) × frequency (f)
v = λf
How to determine the velocity of the waveFrequency (f) = 458 HzWavelength (λ) = 0.74 mVelocity (v) =?v = λf
v = 0.74 × 458
v = 338.92 m/s
Thus, the velocity of the wave is 338.92 m/s
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Does anyone know this?
What does it mean if electric field lines are close together versus farther apart ?
Answer:
As a result, if the field lines are close together (that is, the field line density is greater), this indicates that the magnitude of the field is large at that point. If the field lines are far apart at the cross-section, this indicates the magnitude of the field is small. (Figure) shows the idea.
Explanation:
What forms of energy in a penny battery are considered kinetic?
Answer:
In energy terms, electrical potential energy in the battery is converted into kinetic energy of moving electrons.
Explanation: