Answer:
Weather such as raining has water molecules/droplets thats been evaporated from the ocean and other areas that's wet, the water will connect and soon the mass of the water will become heavy causing rainfall. Snow in another case has been caused to freeze from low climates creating a snow flake to fall from the sky. Hail is another case however the water that becomes ice is far more larger.
The variety of activities that take place daily in our atmosphere makes up for the weather.
What is the weather like?The weather varies across the globe and changes over a few minutes, hours, days, and weeks. The troposphere, the region of Earth's atmosphere closest to the surface, is where most weather occurs.
Changes in air pressure determine the weather that occurs in a given place. The weight of the enormous quantities of air molecules that make up the atmosphere is what causes air pressure.
Usually, clear, blue skies are seen when air pressure is high. The high pressure prevents clouds from developing by causing air to flow down and fan out as it gets close to the ground.
Low air pressure causes air to move together before converging upward, where it rises, cools, and forms clouds.
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A 70 Newton dog ran across the yard. What do we know about the dog?
The dog's volume
The dog's weight
The dog's mass
The dog's acceleration
When 70 Newton dog ran across the yard. we know The dog's weight. Hence option B is correct.
What is Newton's second law of motion. ?Force(F) applied on the body is mass(m) times its acceleration(a). i.e. F=ma according to this equation we get acceleration as a = this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.
70N dog means it is his weight, from which we can calculate its mass, by relation F = mg where g is acceleration due to gravity.
Hence for objective option B is correct, and for MSQ Both B and C is correct.
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For protection hermit crabs use gastropod shells to hide their bodies so only their heads are visible. Students research why the population of hermit crabs has been decreasing. One question hey should ask is-
Answer:
Due to suffocation and toxic paint.
Explanation:
The population of hermit crabs has been decreasing because of suffocation and poison. Many crabs actually die slowly from suffocation because their gills require high humidity in order to breathe properly. Hermit crabs are slowly poisoned by tap water in which the toxic substances present in the paint that dissolves their shells that leads to the death of hermit crabs.
PLEASE HELLP ILL GIVE CROWN AND HEART
Surface currents in major oceans generally circulate in a ________ direction in the northern hemisphere.
A ) Clockwise
B ) Counter-clockwise
C ) Northern
D ) Southern
Answer:
Anti clockwise
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Mr. Griffith's car battery died, resulting in his car not being able to start. Mr. Griffith's roommates were all sleeping soundly and he did not have the heart to wake them up, so he decided to walk to school. If Mr. Griffith lives 1.5 miles from the school and can walk at an average speed of 0.5 miles/minute, how long will it take Mr. Griffith to get to school from his house?
Answer:
it will take him 3 minutes.
Explanation:
It is the disturbance or oscillation that travels through space and matter, accompanied by a transfer of energy.
Answer:
wave
Explanation:
A wave is defined as the disturbance that causes the movement of energy. The energy is transferred as the waves move from one place to another. A medium is required for the transfer of energy. Usually a wave travels through air or water. The process is carried on at a specific speed that is termed as the speed of propagation.
one newton force is the force needed to cause a
Answer:
mass of 1 kilogram to move with an acceleration of 1 m/s².
Balance the following equation
K+ h20= KOH+ H2
Answer:
2K + 2h2O =2KOH + H2
(Tell me if its incorrect)
A 78-kg skydiver has a speed of 62 m/s , what is the kinetic energy?
Answer:
149,916J
Explanation:
Pneumonic device: Kevin is half-mad and very square
this translates to: KE=(1/2)mv^2 !!
KE=(1/2)(78)(62^2)
KE=(39)(3844)
KE=149,916 Joules
Answer:
it's 149916
Explanation:
Formula = 1/2 x m x v^2
so if you put into your calculator 1/2 x 78 x 62^2
you get 149916
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which part of the United States would have generally cooler temperatures due to the effects of currents?
A ) East Coast
B ) Gulf Coast
C ) West coast
D ) Central States
Answer:
West coast
Explanation:
i think this is the ans
Which are advantages of renewable resources? Check all that apply.
Renewable energy supplies are completely reliable everywhere.
Some renewable resources will never be used up.
Little or no waste is produced by renewable resource plants.
Electricity can be generated in large quantities.
Many renewable energy facilities have lower operating costs.
Answer:
Some renewable resources will never be used up.
Little or no waste is produced by renewable resource plants.
Many renewable energy facilities have lower operating costs.
Explanation:
just did on edge
Answer:
B,C, and E are correct
Explanation:
When humans pollute lakes, rivers, and streams,
Answer:
when waterways are polluted it affects all forms of life in the area - including us
expression:
for example when Lakes streams and ponds are polluted it can kill or harsh fish and other Wildlife that lives there!
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Please help!!! what is the main point of paragraph 3?
PLEASE HELP—ITS PHYSICS AND I NEED ANSWERS ASAP
A 2 column table with 4 rows. The first column is labeled substance with entries W, X, Y, Z. The second column is labeled temperature in degrees celcius with entries 40, 37, 19, 37.
Which statement is best supported by the data in the chart?
Answer:
B
Explanation:
Answer:
B. is the correct option! The person above was correct :)
Explanation:
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Please help, Stay Safe and healthy
Answer: A I think
Explanation:
What does the diagram show about phases and the phase of the substance as it is heated? Check all that apply.
(ANSWERED)
The substance is a gas at more than 2,000°C.
The particles are close together but move in different directions between 0°C and 2,200°C.
The attractions between the particles increase in region 2.
The speed of the particles increases in region 5.
The substance does not exist as a solid.
(the answer is B and D) got a 100
Answer:
2 and 4
Explanation:
right on edge
Answer:
can confirm its 2 and 4
Explanation:
Una muestra de agua de 250g de agua se caliento desde 10°C hasta 60°C calcula la cantidad de calor absorbido por el agua el calor especifico del agua es de 4186J/Kj.K
Answer:
Calor absorbido, Q = 52325 Joules
Explanation:
Dados los siguientes datos;
Masa = 250g to kg = 250/1000 = 0.25kg
Temperatura inicial, T1 = 10°C to Kelvin = 273 + 10 = 283K
Temperatura final, T2 = 60°C to Kelvin = 273 + 60 = 333K
Capacidad calorífica específica = 4186 j/kg.K.
Para encontrar la cantidad de calor necesaria;
La capacidad calorífica viene dada por la fórmula;
[tex] Q = mct [/tex]
Dónde;
Q representa la capacidad calorífica o la cantidad de calor.
m representa la masa de un objeto.
c representa la capacidad calorífica específica del agua.
dt representa el cambio de temperatura.
dt = T2 - T1
dt = 333 - 283
dt = 50 K
Sustituyendo en la fórmula, tenemos;
[tex] Q = 0.25*4186*50[/tex]
[tex] Q = 52325 [/tex]
Calor absorbido, Q = 52325 Joules
If a microwave oven is rated at 2400 watts and it is connected at a 120 volt
outlet, how much current does it use?
A. 2280 amps
B. 0.05 amps
C. 20 amps
D. 288,000 amps
Please answer this ASAP
Answer:
c. 20 amps.
just divide the watts by the volts
Students designed an experiment to determine the amount of calories in a chocolate chip cookie. A ring stand was used with a clean aluminum soda can hung from the ring that was partially filled with a known mass of water. A thermometer was placed inside the can so that it measured the temperature of the water but did not touch any part of the metal can. Once set-up was complete, an initial water temperature was taken. The cookie was then lit on fire and allowed to completely burn. A final temperature of the water was measured. Refer to the experimental set-up for calories in a chocolate chip cookie. How does this experiment allow students to measure the calories in a cookie
Answer:
Following are the solution to the given question.
Explanation:
Please find the graph image in the attachment file.
The heat is then transferred to water from the burned cake. The temperature difference is being used to calculate the heat energy of the cookie. Transfer of energy is the move in energy from place to place. Whereas the total quantity of energy may well be moved or converted – it is named energy preservation – does not change.
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Answer:
C
Explanation:
Answer:
Force is a push or pull acting on an object
Explanation:
hope that's helps
Two identical cars, each traveling at the same velocity, and having the same mass come to a stop
Car A stops in 0.3 seconds.
Car B stops in 5 seconds.
Which of the following statements is TRUE?
O Car A has less momentum and experiences less force than Car B.
O Car A has the same change in momentum but experiences more force than Car B.
Car A has the same change in momentum but experiences less force than Car B.
© Car A has the same change in momentum and experiences the same force as Car B.
1 2
Answer:
The second option - same change in momentum, different force
Explanation:
They experience the same change in momentum, but the force on car A is greater.
p=m*v
Impulse, or change in p=F*t
We know the cars have the same change in momentum, because they both go from the same initial momentum (p=mv), to zero momentum. Therefore, both experience the same change in momentum. Since the time is different, but the change in momentum is the same, the force has to be different.
For example: if both cars had 200 kg*m/s of momentum at the start, and 0 at rest, the impulse is 200 kg*m/s
So,
p(a)= 200=F(0.3)
p(b)= 200=F(5)
Which force has to be greater to make the equations true? The force for Car A, of course!
Will the sun change its location throughout its development
Answer:
Yes
Explanation:
The Earth in orbit around the Sun, with its rotational axis shown. The Earth's axial tilt of approximately 23.5° ensures that observers at different locations will see the Sun reach higher-or-lower positions above the horizon throughout the year.
Encontrar la cantidad de movimiento de una partícula de 3,05Kg que se mueve a una velocidad de 56m/s.
Answer:
Momento = 170.8 Kgm/s
Explanation:
Dados los siguientes datos;
Masa = 3,05 kg
Velocidad = 56 m/s
Para encontrar el impulso;
El momento se puede definir como la multiplicación (producto) de la masa que posee un objeto y su velocidad. El momento se considera una cantidad vectorial porque tiene magnitud y dirección.
Matemáticamente, el momento viene dado por la fórmula;
[tex] Momento = masa * velocidad [/tex]
Sustituyendo en la fórmula, tenemos;
[tex] Momento = 3.05 * 56 [/tex]
Momento = 170.8 Kgm/s
In which circuit will the bulb or bulbs glow brightest?
a-A simple circuit with one bulb and one battery
b-A simple circuit with one bulb and two batteries
C-A simple circuit with two bulbs and one battery
Answer:
B - a simple circuit with one bulb and two batteries.
The circuit that would glow brightest is b - A simple circuit with one bulb and two batteries
Electric circuitThis is the path for transmitting current. It usually consists of an electrical energy source and an electrical load.
In any circuit, the electrical power available is determined by the number of batteries available (energy source) and thus the current.
Ohm's lawSince we know according to Ohm's law V = iR where
V = voltage, i = current and R = load.So, making i subject of the formula, we have i = V/R .
So, i ∝ 1/R this shows that the current is inversely proportional to the load.
Circuit that would glow brightesta simple circuit with more current and less load would glow brightest. So, having a simple circuit with two batteries increases the current in the circuit and having only one bulb means that there is less load in the circuit. Thus, the circuit with one bulb and two batteries will glow brightest.So, the circuit that would glow brightest is b - A simple circuit with one bulb and two batteries
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Conoces algún proceso o producto de la vida cotidiana en el que se utilice agua oxigenada (H2O2) concentrada?
Answer:
wound disinfectant, to kill fungus, teeth whitener
Explanation:
Hydrogen peroxide or hydrogen peroxide is a polar compound which is why it is a strong oxidant.
Therefore it can be used as a wound disinfectant, to kill fungus, teeth whitener
In industry it is used for toothpastes, fabric bleach and in high concentrations 90% as rocket fuel
According to Newton, which of these will determine if and how an object will move?
Answer:
unbalanced force
Explanation:
According to Newton the determining factor on if and how an object will move is the unbalanced force acting upon that object. In Newton's first law he states that an object will remain at rest unless acted on by an unbalanced force. This unbalanced force needs to be stronger than any opposite force being acted upon by the same object. Enough so that the object exits its state of rest and begins moving in the direction in which the force is being applied. If the force is not strong enough to overcome the opposite forces then the object will not move.
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Answer: It is the second one
Explanation: Just please trust me on this one
Answer: The answer to it is
B
Explanation:
Which of these actions does NOT have a vector?
O Swinging from a wire
O Drilling a hole
O Kickig a soccer ball
O Looking to the right
An athlete whirls a 8.00 kg hammer m from the axis of rotation in a horizontal circle, as shown in the figure below . The hammer makes one revolution in s. What is the centripetal force on the hammer ?
Answer:
[tex]mv \div r \\ mass \times velocity \div radius[/tex]
How do scientists use patterns?
A. To organize results
B. To describe how something is made
C. To predict what might happen next
D. To send messages to other scientists
Answer:
c because you see with your eyes and c rhymes with eyes