We have that what missing from this graph is
Axis labels.
Correct option is B
Generally
It is important to note that a graph is incomplete with out labeling its axis to show clarification
The Graph above has
a title as"Number of sunspots each year"
and obvious trend lines
Therefore
Axis labels.
Correct option is B
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Answer:
It's axis labels
Explanation:
I took the test :D
5. How much does a 20 m x 10 m x 8 m swimming pool filled with water weigh? Assume that water has a density of 62 kg/m'.
Explanation:
First of all we calculate the volume which is 20m×10m×8m= 1600m^3 and then multiply the density by the volume to get the mass which will equal to 99200kg therefore the weight will be
Weight
mass × acceleration due to gravity
=99200kg × 10m^s^2
=992000N
if you have 75 hectograms it is the same as how many centigrams?
Answer:
As we know 1 hc = 10000cg
now,
75hg=(75×10000)cg750000cghope it helps.stay safe healthy and happy.an electric bulb has power 500 watt. what does it means
Answer:
The bulb consumes electrical energy at the rate of 500 Watts
1 Watt = 1 Joule/sec where the joule is the unit of energy
Electric energy is often expressed in kw-hrs
This means that 1 kilowatt of power is used for 1 hour
1 kw-hr = 1000 joules/sec * 3600 sec = 3.6E6 joules of energy
a) If the mass of the car is doubled (by adding passengers and cargo) by what factor must the
force change so the car can make the turn? (2 pts)
Let Mass be m
F=maIf its doubled then
[tex]\\ \sf\longmapsto F=2ma[/tex]
Hence force also needs to be doubled.
The charge of most alkaline earth metals.
Answer:
2+ charge
Explanation: The alkaline earth metals have two valence electrons in their highest-energy orbitals (ns2). They are smaller than the alkali metals of the same period, and therefore have higher ionization energies. In most cases, the alkaline earth metals are ionized to form a 2+ charge
Hope this helps, have a great day :)
A hydrogen atom has a diameter of about 12.7 nm, express this diameter in centimeters.
We have to convert 12.7nm to cm
[tex]\\ \sf\longmapsto 12.7nm[/tex]
[tex]\\ \sf\longmapsto 12.7\times 10^{-9}m[/tex]
[tex]\\ \sf\longmapsto 0.127\times 10^{-7}m[/tex]
[tex]\\ \sf\longmapsto 0.00000127\times 10^{-2}[/tex]
[tex]\\ \sf\longmapsto 0.0000013cm[/tex]
how energy from food can be used to make a flashlight shine?
Answer:
a toaster
Explanation:
Energy from food can be used to make a flashlight shine by converting it into electrical energy.
When we eat food, our bodies break down the food into glucose. Glucose is a type of sugar that our bodies can use for energy. When glucose is broken down, it releases energy. This energy is used to power our cells and to do work.
One of the things that our bodies can do with energy is to convert it into electrical energy. This electrical energy can be used to power devices, such as flashlights. In a flashlight, the electrical energy from food is converted into light by a process called incandescent lighting. Incandescent lighting works by heating a filament until it glows. The filament is made of a material that gives off light when it is heated.
The electrical energy that powers the filament comes from a battery. The battery is charged by the energy from food. When we turn on the flashlight, the battery sends electrical energy to the filament. The filament heats up and glows, creating light.
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when an Apple falls towards the earth moves to meet the apples.Is this true?If yes'why is the earth motion not noticeable?
Oh, yes. It's definitely true.
The answer to your question is:
Because the Earth has something like (6 x 10²⁴) times as much mass as the apple has.
So when equal, opposite gravitational forces act on both of them, the apple's downward acceleration toward the Earth is something like (6 x 10²⁴) times as much as the Earth's upward acceleration toward the apple.
The apple doesn't spend too much time falling, before it hits the ground and both bodies stop moving toward each other. In that time, the apple travels something like (6 x 10²⁴) times farther than the Earth does.
So if the apple falls a mile down from the branch of the tree, then the Earth moves something like 0.000 000 000 000 000 000 011 inch up toward it.
THAT's why Earth's motion is not noticeable to us.
If you wanted to know the location of a vehicle that ran out of gas after taking a zigzag route through the city, which quantity would be
most useful?
a. the vehicle's speed
b. the vehicle's distance
c. the vehicle's direction
d. the vehicle's displacement
Explanation:
the vehicles displacement, since displacement deals with position
To know the location of a vehicle that ran out of gas after taking a zigzag route through the city, the quantity that would be most useful is the vehicle's displacement.
In physics, the term quantity refers to something that can be measured.
Displacement is a vector quantity. Displacement simply means distance covered in a specified direction.
Notice that we want to find out the location of the vehicle after it ran out of gas. In this case, we don't only need to know the distance covered by the vehicle but also the direction in which the distance was covered in order to enable us to track the vehicle.
Hence, we need to find out the vehicle's displacement.
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help me please i dont understand
The choose C. 1.33
Tanθ =opposite / adjacent
Tanθ =20/15
Tanθ =1.33
I hope I helped you^_^
5. How much does a 20 m x 10 m x 8 m swimming pool filled with water weigh? Assume that water has a density of 62 kg/m².
Answer:
fxhehjejejkwkwkkwkwkqklwkjsnenrnkeke
Answer:
99,200kg
Explanation:
density= mass/volume
given d-62kg/m*3
v=20×10×8. =1600
m=x
1600×62=99,200kg
A car start from rest and reached with a speed of 20m/s in 9seconds calculate the acceleration of the car and calculate the displacement covered in this time
Hi there!
Acceleration:
a = Δv / Δt, so:
a = 20/9 ≈ 2.22 m/s²
Displacement:
We can use the equation Δd = v₀t + 1/2at² to solve. (Initial velocity is 0).
Δd = 1/2at²
Plug in the acceleration and time:
Δd = 1/2(2.22)(9)² ≈ 89.91 m
what is meant by rusting
Answer:
The formation of reddish brown ferric oxide on iron by low temperature oxidation in the presence of water .
make me as brilliant answer
Lois Price came up with a brilliant idea of creating a 1,500m perfectly circular track. In order to do so she wanted
to know her distance and displacement at four different locations. Starting at the TOP of the circle, what are her
distance and displacement if she travels... (HINT - Remember the circumference of a circle)
a. quarter way around the track
Isoo
b. half way around the track
4
Р A
C. 4 around the track
d. an entire lap
dist = 375
Her distances and displacement are;
[tex]\begin{array}{|l|c|c|}\mathbf{Location}&\mathbf{Displacement}&\mathbf{Distance}\\&&\\a. \ Quarter \ way \ around&\dfrac{750 \cdot \sqrt{2} }{\pi} m &375 \ m\\&&\\b. \ Half \ way \ around&\dfrac{1500}{\pi} m&750 \ m\\&& \\C. \ Three \ quarter\ way \ around&\dfrac{750 \cdot \sqrt{2} }{\pi} m&1,125 \ m\\&&\\d. \ Entire \ lap&0&1,500 \ m\\\end{array}\right][/tex]
The reason the above values are correct are as follows:
The known details are:
The length of the circular track, C = 1,500 m
The required details;
Her distance and displacement at four locations starting at the top of the circle, as follows;
At the top, the starting point, the displacement = The distance = 0
a. A quarter way round the track;
The radius of the circular track, r = C/(2·π)
∴ r₁ = 1,500 m/(2·π) = (750 m)/π
The displacement a quarter way round the track, s₁² = r² + r²
∴ s₁² = ((750 m)/π)² + ((750 m)/π)²
s₁ = ((750 m)/π)·√2
The displacement a quarter way round the track, s₁ = ((750·√2)/π) m
The distance a quarter way round the track, d₁ = C/4
∴ d₁ = 1,500 m/4 = 375 m
The distance a quarter way round the track, d₁ = 375 m
b. The displacement half way around the track, s₂ = r + r
∴ s₂ = r + r = (750 m)/π + (750 m)/π = (1,500 m)/π
The distance moved half way round the circular track, d₂ = C/2
∴ d₂ = 1,500 m/2 = 750 m
The distance moved half way round the circular track, d₂ = 750 m
C. The displacement 3/4 way round the track, s₃ = s₁ = (750 m)/π)·√2
The distance moved 3/4 way round the circular track, d₃ = (3/4) × 1,500 m = 1,125 m
D. The displacement for an entire lap, which is back to starting point at the TOP, s₄ = 0
The distance traveled in one lap = The circumference of the track, C = 1,500 m
Therefore, we have the following displacement and distances at the four different locations;
[tex]\begin{array}{|l|c|c|}\mathbf{Location}&\mathbf{Displacement}&\mathbf{Distance}\\&&\\a. \ Quarter \ way \ around&\dfrac{750 \cdot \sqrt{2} }{\pi} m &375 \ m\\&&\\b. \ Half \ way \ around&\dfrac{1500}{\pi} m&750 \ m\\&& \\C. \ Three \ quarter\ way \ around&\dfrac{750 \cdot \sqrt{2} }{\pi} m&1,125 \ m\\&&\\d. \ Entire \ lap&0&1,500 \ m\\\end{array}\right][/tex]
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Which functional group is nonpolar?(1 point)
hydroxyl
methyl
sulfhydryl
carbonyl
Answer:
methyl
EXPLANATION
4 facts about relative dating?
10. Scientists try to develop an explanation for what
they see happening in the natural world. What
must be true of any explanation they develop?
A. It must be supported by evidence.
B. It can never be changed.
C. It must be shown to have practical value for
humans.
D. It must be based on information that other
scientists have also gathered.
Answer:
it must be based on information that other scientists have also gathered
Answer:
hope its ok
Explanation:
Science is a way of learning about what is in the natural world, how the natural world works, and how the natural world got to be the way it is. It is not simply a collection of facts; rather it is a path to understanding.so it should contain a logical theory but it can also never be said as the final answer.
so A) OR D) both are correct
what do you mean by Spin quantum number?
Answer:
In atomic physics, the spin quantum number is a quantum number (designated ms) which describes the intrinsic angular momentum (or spin angular momentum, or simply spin) of an electron or other particle.
Make a Table Organize the following measurements from smallest to largest and
include the multiplying factor for each: kilometer, nanometer, centimeter, meter, and
micrometer.
We have that the Table for the Factors is
[tex]\begin{center}\begin{tabular}{ |c|c|c| } Mesurements & Multiplying factor \\ Nanometer& 10^{-9} \\ Centimeter& 10^{-2} \\ Micrometer& 10^{-3} \\ Meter& 10^{1} \\ Kilometer& 10^{3} \\ \end{tabular}\end{center}[/tex]
From the Question we are told to
Organize the following measurements from smallest to largest
Kilometer,NanometerCentimeter Meter Micrometer.Note that we Determine the multiplying factor by using Metre which is the SI unit of length as the bases
[tex]\begin{center}\begin{tabular}{ |c|c|c| } Mesurements & Multiplying factor \\ Nanometer& 10^{-9} \\ Centimeter& 10^{-2} \\ Micrometer& 10^{-3} \\ Meter& 10^{1} \\ Kilometer& 10^{3} \\ \end{tabular}\end{center}[/tex]
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What is somethings important in mental health
Answer:
Some of the things that are important in mental health is how it affects us in how we think, Also How we feel, and act.
Explanation:
Mental health includes our emotional, psychological, and social well-being. It affects how we think, feel, and act. It also helps determine how we handle stress, relate to others, and make healthy choices.
1. Mental health is important at every stage of life, from childhood and adolescence through adulthood.
Hola cómo están todos
what is gravitational constant?also write it's si unit
Answer:
its the constant in Newton's law of gravitation that yields the attractive force between two bodies when multiplied by the product of the masses of the two bodies and divided by the square of the distance between them
6.67408 × 10-11 m3 kg-1 s-2
hope this helps
A compass works because its magnetic needle
a. contain atoms
b. contain charged particles
c. repels magnet
d. spins freely
Answer
c. repels magnet
a skateboarder fell doing a jump. she got up and after 5 seconds, returned to a velocity of 5m/s. what is her acceleration
You ride your skateboard to school and tell all your friends your rode at speed of 25 miles per hour. They know this cannot be true because they know
when you left the house and when you arrived at school
how far school is from your house and what time school starts
the distance between your house and school and how long it took you to get there
the distance between school and your house and the direction you traveled
Answer:
The correct answer is "The distance between your house and your school, and how long it took you to get there." This is the proper answer choice because mph is miles per hour. Meaning you can travel 25 miles in just one hour. Speed in such form is used for measuring distance, or time. Hope it helped.
Explanation:
a person walks 20 steps forward and 20 backward and converse a distance of 40 steps while his displacement is zero .why?
Answer:
he walked 20 forward and back so he ended at the same spot but still walked 40 steps by going forward and back
Newton's Law of Inertia states that ________.
Answer: It states that an object in motion will stay in motion, and an object at rest will stay at rest unless acted upon by an unbalanced force.
Explanation:
hope i helped
Answer: A object that is currently in motion will stay at motion. The law of interia is also known as Newton's first law of motion.
Explanation:
Grop 17 of the periodic table contains the ?
Group 17 is the second column from the right in the periodic table and contains six elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and (Ts). Astatine and are radioactive elements with very short half-lives and thus do not occur naturally.
A science student makes the following statement:
I think plants grow faster in acidic soil than they do in
normal soil.
Which part of the scientific process is this?
O A. Forming a hypothesis
B. Testing a hypothesis
C. Stating a theory
Q
D. Analyzing data
Answer:
A. Forming a Hypothesis
Answer: C I think
Explanation:
1.How many significant digits are in 101,407,063?
Answer:
= 9
Explanation:
just count the numbers :D