Answer:
[tex]mgh = \frac{1}{2} m {v}^{2} \\ v = \sqrt{2gh} \\ = \sqrt{2 \times 9.8 \times 10} \: m. {s}^{ - 1} [/tex]
Does Respiration produce ATP? If yes, is it a lot or a little?
Answer:
yes and little i think
Explanation:
How do I figure this out?
Step #1: Learn what "displacement" means.
Step #2: Learn what "velocity" means.
when two charged particles interact there is an ____how do the coils impact the strength of the magnetic field
when two charge particles interact
how to measure the density of air
The easiest way to calculate the density of dry air is by applying the ideal gas law. The ideal gas law expresses density as a function of temperature and pressure. Also, just like all gas laws, it is an estimate.
a) The mass of a box is 250 kg. The lower surface area is 150 cm². What is the pressure exerted by the box on the surface?
[tex]\\ \sf\longmapsto Force=ma=250(10)=2500N[/tex]
Area=150cm^2=0.015m^2[tex]\\ \sf\longmapsto Pressure=\dfrac{Force}{Area}[/tex]
[tex]\\ \sf\longmapsto Pressure=\dfrac{2500}{0.015}=1.6666.6Pa[/tex]
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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NEED HELP!!!!!
Imagine that Yusef had a diet with absolutely no fat. What impact would this have on his overall health?
OPTIONS:
A.
He would have absolutely no energy.
B.
He would more easily absorb nutrients.
C.
He would be unable to absorb vitamins.
D.
He would have a compromised immune system.
PLEASE NO LINKS
Answer:
A.
Explanation:
In addition to helping you lose weight by using calories on more filling foods, following a low-fat diet can help you ward off serious medical conditions, including heart disease, high cholesterol, and diabetes. The body needs some fat to function properly.
If Yusef had a diet with absolutely no fat then He would have absolutely no energy. Hence A is correct option.
What fat do to your body?Fat aids in the body's absorption of vitamins A, D, and E. These vitamins are only absorbed with the aid of lipids because they are fat-soluble. Body fat is created from any fat that is not utilized by the body's cells or transformed into energy.
According to research, the majority of fat cells in adipose tissue are produced by cells that line the blood vessels. This realization might inspire fresh methods for treating and preventing obesity. Our metabolism, reproduction, and life lengths are all regulated by white adiposity, or fat, tissue.
Hence option A is correct.
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Which Si unit would be most appropriate for measuring the length of a
hand?
A. Millimeters
B. Kilometers
C. Kilograms
D. Milliliters
Answer:
A. Millimeters
Explanation:
C. is a unit of weight-wrong
D. is a unit of volume-wrong
B .kilometers are too large
Answer: A. Millimeters
Explanation:
Because it is more reasonable
help me, please
solve this 4 kilometers = what meters and make sure to show your loops
Answer:
4 km is equal to 4000m
Explanation:
Because 1km is equal to 1000m.
I know that the answer is 20, but I don’t know if it’s B or D. Please help
No links
Answer:
d makes the most sense sorry if it is wrong
1 Apps OCPS
Tools
Weather
1
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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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 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
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.
Question 3
How many miles was the Trail of Tears?
O 1,000
1,200
O 1,500
3,000
Answer:
I think it is 1,200.
Explanation:
In the research I found, It says in a paragraph it is 1,200. I don't know if this is wrong or correct. I hope this helps!!!
Which are examples of chemical weathering? Choose the two correct answers. (1 poir
-rock breaking apart during a rock slide
-an insect digging a hole in rock for its home
-oxidation of certain metals in rock
-an increase in temperature in daytime causing a rock to crack
-acid rain breaking down compounds in rock statues
Oxidation of certain metals in rock and acid rain breaking down compounds in rock statues are examples of chemical weathering.
What is chemical weathering?
When chemicals are diluted and dissolved in water, they seep and percolate down the surfaces of rocks, causing chemical weathering. Chemical weathering occurs in humid tropical regions and other places with high temperatures and a sufficient supply of water.
The reaction of chemicals in water or air causes minerals to change in composition as chemical weathering takes place. Additionally, this causes the breakdown of rocks. Leaching is the process of carrying away some components of rock breakdown through rocks and soil.
These materials may eventually be transported by the water to rivers and the sea. The oceans' saltiness comes from this source. Oxidation, the breakdown of calcium carbonate, and acid rain breaking down compounds in rock statues by chemical reaction are examples of chemical weathering.
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What is 1.0147 rounded to the nearest thousandths place?
Answer:
1.0147 rounded to the nearest thousandths place is 1.015
Answer:
1.015
Explanation:
If you put the number in place value, you have 1 in the ones place, 0 in the tenths place, 1 in the hundreds place, 4 in the thousandths place, and 7 in the ten thousandths place. In order to know how to round 4, you must look at the number directly after it. Since 7 is greater than five, round up to ten. This increases 4 by 1 which would give you the answer 1.015.
The statement "are either elements or compounds" describes a
A. pure substance.
B. mixture.
Answer: A. Pure Substance
Explanation:
If it is pure the substance has to be either an element or a compound.
Answer:
A. pure substance
Explanation:
This is because matter has distinct properties and the ingredients from sample to sample do not change, and all substances are either elements or compounds
guys help I'm doing a music test today
the process of submerging an object to determine its volume is called
Answer:
Measuring the volume of an irregularly shaped object using geometry is often difficult and complicated. The easiest way to do this is by using the water displacement method. Often taught in chemistry or other science classes, this method is known for its simplicity and accuracy.
Explanation:
Measuring the volume of an irregularly shaped object using geometry is often difficult and complicated. The easiest way to do this is by using the water displacement method.
What is displacement?Shortest distance between two point are called as displacement, or we can say that when a body moves between two points the total lengths between two points are called as distance but the shortest distance between two point is called as displacement. Displacement is measured in meter and it is a vector quantity. Displacement may became zero but distance never became zero.
In above problem we cam say that in a race car start form a point and reaches at the same point then it's displacement is zero because there is no shortest distance. Displacement is measured in meter and it is a vector quantity. Displacement may became zero but distance never became zero.
Therefore,Measuring the volume of an irregularly shaped object using geometry is often difficult and complicated. The easiest way to do this is by using the water displacement method.
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Which of the following cannot be determined from the spectrum of a star?
the temperature of the atmosphere of the star
the motion of the star
the chemicals in the atmosphere of the star
the chemicals in the core of the star
Answer:
From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star.
Answer:
The answer would be the chemicals in the atmosphere of the star.
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:
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
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:
You escape the evil car pushing cat and leave him back behind you in the road. He tries to chase you, though. He weighs 2kg and his legs apply 50N of force. How fast does he accelerate?
Answer:
25 m/s²
Explanation:
F = m × a
50 N = 2 kg × a
a = 50 N : 2 kg
a = 25 N/kg
a = 25 m/s²
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suppose the blocks collide elastically. picking the positive direction to the right, what is the velocity of the bigger block after the collision takes place?
We have that with v_1 =v this goes to show that the velocity of the bigger block after the collision takes place is v
From the question we are told
Suppose the blocks collide elastically. picking the positive direction to the right, what is the velocity of the bigger block after the collision takes place?
Generally the equation for Momentum is mathematically given as
P=mv
Therefore
[tex]m_1v_2=m_2v_2[/tex]
Hence
[tex]v_1=\frac{m_2v_2}{m_1}[/tex]
Therefore
[tex]v_1=\frac{mv_2}{2m}\\\\v_1=\frac{v_2}{2}[/tex]
Hence
[tex]2v+v=v_1+v_2\\\\v_1=v[/tex]
Now
with v_1 =v this goes to show that the velocity of the bigger block after the collision takes place is v
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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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will give correct answer brainliest
Answer:
West
Explanation:
This is because the first caar has more mass
according to newton’s second law, if there is a net force, there will be
Answer:
The object will have an acceleration and the object's velocity will change.
Explanation:
If there is a net force acting on an object, the object will have an acceleration and the object's velocity will change. Newton's second law states that for a particular force, the acceleration of an object is proportional to the net force and inversely proportional to the mass of the object.
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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:
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