Answer:
C
Explanation:
Nancy and Hiyang are training for a race. They entered some of their training notes in a chart.
A 3-column table with 5 rows. The first column labeled day has entries Monday, Tuesday, Wednesday, Thursday, Friday. The second column labeled Nancy's distance run has entries 2, 3, 3, 4, 5. The third column labeled Hiyang's distance run has entries 5, 5, 7, 8, 10.
Which information should be added to the chart in order find out who ran a greater distance?
the time spent running each day
the reference point used each day
the units used to measure distance each day
the location used by the runners each day
The data should be put on the graph to determine who covered a longer distance by running each day in the units that will be used to measure distance. Option C is correct.
What is the distance?Distance is a numerical representation of the distance between two objects or locations.
The distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.
Distance is measured in the meter, centimeter, miles, nautical mile, feet, etc. The unit of the distance is most important in order to find it.
Hiyang and Nancy are preparing for a race. Some of their training-related notes were entered on a chart.
The data should be put on the graph to determine who covered a longer distance by running each day in the units that will be used to measure distance.
Hence, option C is correct.
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Answer:
C) the units used to measure distance each day
Explanation:
Answer
A)
B
C
please
Answer:
a is b is c isExplanation:
brash this so hard
2 red and 2 blue overlapping balls in the center are surrounded by a green, fuzzy, circular cloud with a white line running through it. 2 green balls sit on the white line, and a line leading a bracket around the balls is labeled a. a line leading to a bracket overlapping the white line is labeled b. which is a characteristic of the part of the atom marked "b"? it is very dense. it has a large mass. it is negatively charged. it is where neutrons move.
The line leading a bracket around the balls, labeled A, represents the nucleus of the atom.
What is nucleus?The nucleus constructs the major part of the atom where all the mass of atom is concentrated. The nucleus of the atom lies at the center, where protons and neutrons are placed.
2 red and 2 blue overlapping balls in the center are surrounded by a green, fuzzy, circular cloud with a white line running through it. 2 green balls sit on the white line, and a line leading a bracket around the balls is labeled a. a line leading to a bracket overlapping the white line is labeled b.
The red balls and the two overlapping balls in the center are representing the protons and neutrons.
Thus, the line leading a bracket around the balls, labeled A, represents the nucleus of the atom.
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When electromagnetic radiation strikes perpendicular to a flat surface
Answer:
a totally absorbing surface feels radiation pressure
Explanation:
When electromagnetic radiation strikes perpendicular to a flat surface, a totally absorbing surface feels radiation pressure
how does analogue signals work?
Explanation:
An analog signal uses some property of the medium to convey the signal's information. For example, an aneroid barometer uses rotary position as the signal to convey pressure information. In an electrical signal, the voltage, current, or frequency of the signal may be varied to represent the information.
A airplane that is flying level needs to accelerate from a speed of 100 m/s to a speed of 260 m/s while it flies a distance of 2000 m. What must the acceleration of the plane be
Which of the following statements does NOT accurately describe the Berlin Airlift?
The Berlin Airlift is best described as the aircraft used to delivered needed food and supplies to the city of Berlin through the air because all other routes were blocked by the Soviet Union.
What is Berlin Airlift?The Berlin airlift was a 1940s military operation that supplied West Berlin with food and other vital goods by air after the Soviet Union blockaded the city.
Thus, the Berlin Airlift is best described as the aircraft used to delivered needed food and supplies to the city of Berlin through the air because all other routes were blocked by the Soviet Union.
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5. Calculate the volume of a cube with the following measurements.
Length= 5 cm
Height = 10 cm
Width = 16 cm
O 31 cubic cm
50 cubic cm
O 800 cubic cm
O400 cubic cm
A monkey is chained to a stake in the ground. The stake is 3.00 m from a vertical pole, and the chain is 3.40 m long. How high can the monkey climb up the pole
From the calculation and based on the Pythagoras theorem, the monkey will climb 4.5 m.
What is the Pythagoras theorem?The Pythagoras theorem is based on the sides of the right angled triangle. It states that the square of the longest side is equal to the square of the other two sides.
Thus;
c= √3^2 + 3.4^2
c = 4.5 m
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Information about mars' moons.
Answer:
mars is a fourth planet of the sun and the second planet in the solar system
moon is a natural satellite of the earth it isthe fifth largest moon in the solar system
The earth’s orbit around the sun is elliptical. What does this word mean?.
Answer:
An elliptical orbit is the revolving of one object around another in an oval-shaped path called an ellipse. The planets in the solar system orbit the sun in elliptical orbits. Many satellites orbit the Earth in elliptical orbits as does the moon.
A 4.0-kg object has 72 J of kinetic energy.
Determine its speed.
Answer:
6m/s
Explanation:
v = sqrt of 2KE/m
Where:
KE = kinetic energy
m = mass of a body
v = velocity of a body
= sqrt of 2(72)/4
= sqrt of 144/4
= sqrt of 36
= 6m/s
An electric circuit contains an operating heating element and lit lamp. why does the lamp stay lit
In this circuit having an operating heating element and lit lamp, the lamp is going to continue to be lit if the circuit is connected in parallel.
What is an electric circuit?The term electric circuit has to do with the path that current can pass through. In a circuit, there are some components that must be present in the circuit. The question is incomplete, the complete question is shown in the section marked 'missing parts'.
For the lamp in which there is also an operating heating element, the lamp will remain lit only when the circuit is connected in parallel because the potential difference across the components remain the same.
Missing parts:
An electric circuit contains an operating heating element and a lit lamp. Which statement best explains why the lamp remains lit when the heating element is removed from the circuit?
answer choices
The lamp has less resistance than the heating element.
The lamp has more resistance than the heating element
The lamp and heating element were connected in parallel.
The lamp and heating element were connected in series.
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Decide whether the following statement is true (T) or false (F).
Original seat belt designs were 2-point or lap belts
1. True
or
2. False
I really hope this is true. also pay no attention to this answer I'm doing it to finish my account
Answer:
True
Explanation:
See picture.
the first s-wave reaches a seismic station 22 minutes after an earthquake occurred. how long did it take the first p-wave to reach the same seismic station?
The time taken for the first p-wave to reach the same seismic station is approximately 13 minutes.
Time of travel of the P-wave
In rock, S waves generally travel about 60% the speed of P waves, and the S wave always arrives after the P wave.
Relationship between speed and timev ∝ 1/t
v₁t₁ = v₂t₂
t₁/t₂ = v₂/v₁
t₁/t₂ = 0.6v₁/v₁
t₁/t₂ = 0.6
t₁ = 0.6t₂
t₁ = 0.6 x 22 mins
t₁ = 13.2 mins
Thus, the time taken for the first p-wave to reach the same seismic station is approximately 13 minutes.
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Light passes from an object through the video camera lens and is converted into an electrical signal by a ___________
Light passes from an object through the video camera lens and is converted into an electrical signal by an image sensor.
What is an image sensor?An image sensor, sometimes known as an imager, is a sensor that detects and transmits information required to create an image.
It accomplishes this by translating the changing attenuation of light waves into signals, which are tiny bursts of electricity that carry information.
An image sensor converts light from an object that passes through the video camera lens into an electrical signal.
Light passes from an object through the video camera lens and is converted into an electrical signal by an image sensor.
Hence,image sensor is the correct answer.
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A camera lens focuses on an
object 78.0 cm from the lens. The
image forms 3.50 cm behind the
lens. If the object is 12.4 cm tall,
how tall is the image?
(Mind your minus signs.)
(Unit = cm)
You decide to hike up Mt. Everest so you can experience what it is like to be above roughly 75% of the air in the atmosphere. If the pressure at the surface is 1000 mb, what is the most reasonable approximation of the pressure at the summit (top of the mountain)?
You decide to hike up Mt. Everest so you can experience what it is like to be above roughly 75% of the air in the atmosphere, the pressure at the summit is mathematically given as
P= 250mb
What is the most reasonable approximation of the pressure at the summit (top of the mountain)?Generally, the equation for pressure at the summit is mathematically given as
P= (100-75) * pressure at the surface
Therefore
P= (25/100) x 1000
P= (0.25 x 1000)mb
P= 250mb
In conclusion, the pressure at the summit
P= 250mb
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Anna pushes a box with a force of 8.00 newtons. she generates a power of 3.00 watts. how much time does it take for anna to move the box the distance of 9.72 meters? a. 12.4 seconds b. 20.1 seconds c. 25.9 seconds d. 30.8 seconds e. 35.8 seconds
The time taken for anna to move the box the distance of 9.72 meters is 25.9 seconds. The correct option is c.
What is force?The force is the action of push or pull to move or stop an object.
Anna pushes a box with a force of 8.00 newtons. she generates a power of 3.00 watts.
Force is related to power by the relation
Force = Power / Velocity
Put the values, we get
8 = 3/V
V = 0.375 m/s
Velocity is defined as the ratio of distance and the time taken.
The box is moved by the distance of 9.72 meters. So, time taken is
V = d/t
0.375 = 9.72/t
t =25.9 seconds.
Thus, time taken for anna to move the box the distance of 9.72 meters is 25.9 seconds.
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a metal block increases in tempreture from 15 digree to 60 digree when supplied with 13500 j of heat energy
By finding the specific heat, we can expect that the material of the block is copper or silver (or a mix).
Of which type of metal is the block made?We know that we give 13,500 joules of energy to the metal block (which we assume has a mass of 1kg) and the temperature increases from 15°C to 60°C.
Then the increase is:
60°C - 15°C = 45°C
Then this metal has a specific heat of:
H = 13,500j/(45°C*1 kg) = 300 J/°C*kg
So it could be copper, which has a specific heat of 380J/°C*kg or Silver, which has a specific heat of 240 J/°C*kg (or a mix of these two).
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an object of 5kg is moving with a velocity of 2 m/s an externally applied force increases the velocity of an object to 6 m/s. Calculate the change in momentum
The change in momentum of an object that is initially moving at a velocity of 2m/s but later increased to 6m/s is 20kgm/s.
How to calculate change in momentum?The momentum of a body can be calculated by multiplying the mass of the body by its velocity.
However, the change in momentum is the mass of the body multiplied by the change in velocity as follows:
∆p = m × [Vf - Vi]
Where;
m = massVf = final velocityVi = initial velocity∆p = 5 × (6 - 2)
∆p = 20kgm/s
Therefore, the change in momentum of an object that is initially moving at a velocity of 2m/s but later increased to 6m/s is 20kgm/s.
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A boy leaves his home and goes in a car, returning to his house after travelling 20 km in half an hour. What is his displacement?
Answer:
The displacement is straight or the shortest distance from starting point to the destination with direction it moved.
However, here the started from one point and returned to same point. And hence the distance from the starting to final point is Zero. Therefore, there is no displacement for the body.
45 V =
2.0 Ω
www
6.0 Ω
3.0 Ω
>4.0 Ω
What is the equivalent resistance in this circuit?
Ω
What is the current in this circuit?
A
Answer:
Current = 22.5A
Explanation:
By using ohm's law [tex]i = \frac{v}{q} [/tex]45/2 = 22.5A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2. 00 m making 7. 00 revolutions every 10. 0 seconds. What is the magnitude of the acceleration of the ball?.
Answer:
F = M ω^2 R is the centripetal force on the ball
f = 7 / 10 = .70 / sec revolutions / sec
ω = 2 pi f = 4.40 / sec
ah = F / m = 4.4^2 * 2 = 38.7 m/s^2
horizontal acceleration = 38.7 m/s^2
vertical acceleration = 9.80 m/s^2
a = (38.7^2 + 9.8^2)^1/2 = 39.9 m/s^2 total acceleration
A crate is moved across a frictionless floor by a rope THAT is inclined 30 degrees above horizontal. The tension in the rope is 50 N. How much work is done in moving the crate 10 meters?
Only the horizontal component of the tension force is performing work on the crate. This component has magnitude (50 N) cos(30°) = 25√3 N, so the work done is
(25√3 N) (10 m) = 250√3 N•m ≈ 433 J
PLease help with this this is pretty hard for me i kinda get it but not fully
Explanation:
Force = mass x acceleration
F= ma (formula)
15N = o.5kg x a
Divide both sides by o.5
a = 30 (greater acceleration)
15N = 4.5kg x a
Divide both sides by 4.5
a= 3.33 (great acceleration)
15N = 0.05kg x a
Divide both sides by 0.05
a = 300 (greatest acceleration)
which of the following is composed of only one kind of atom?
Answer:
An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.
A beam of visible light has a frequency of 4.5x10^14 Hz. What is the wavelength of this light? What color is this light?
Answer:
The wavelength is about 666.2 nm.
The color is red.
Explanation:
Recall the relationship between frequency and wavelength:
[tex]\displaystyle c = \lambda \nu[/tex]
Solve for wavelength λ:
[tex]\displaystyle \lambda = \frac{c}{\nu}[/tex]
Substitute and evaluate. Note that 1 Hz = 1 s⁻¹:
[tex]\displaystyle \begin{aligned} \lambda & = \frac{(2.998\times 10^{8} \text{ m/s})}{(4.5\times 10^{14} \text{ /s})} \cdot \frac{1\times 10^9\text{ nm}}{1\text{ m}} \\ \\ & = 666.2 \text{ nm}\end{aligned}[/tex]
Therefore, the wavelength of the light is about 666.2 nm.
This corresponds with the red region of the visible spectrum.
How do you think the ball in pinball will travel? draw a line to trace the path the ball will take after it is launched
The magnetic properties of the ball help to travel in the pin ball.
What is pinball?A Pinball is a steel sphere of diameter 3 cm. It weighs 2.8 ounces. The ball can reach speed upto 90 miles per hour on the traditional steel pinball.
The magnetic properties of the ball help to travel in the pinball , as some machines uses the magnets to trap the ball in certain places on the playfield.
In some of the machines the ceramic pinball is called Powerball.
Pinball move around the table, hitting bumpers and some targets to score the points.
You'll get only three balls to play, when your third ball falls down then your game will be over.
So, the ball in the pinball will travel because of then magnetic properties of ball.
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Write a 150-200 word response. your class requires you to use a program that you must download on your computer you have waited until day 5 of the week to download the program and you need it for an assignment that is due in 2 days now you are having issues with the program how do you approach solving this problem who would you contact first and why what are the resources available to support you when obstacles arise and why is effective communication important in linking you to these resources
A person would contact his fellow students and his friends inquiring whether they have encountered the same issue as it is with him.
What is program?The program is a system software which helps students to learn or accomplish any projects.
The class requires a student to use a program that you must download on his computer. He have waited until day 5 of the week to download the program and need it for an assignment that is due in 2 days now. He is having issues with the program.
He must contact his fellow friends and students whether they are facing the same error in starting the program. There are many resources to be used in place of that software. He can also use the internet to find out the troubleshooting methods. He can also contact the software developer and discuss the problems regarding software.
The effective communication can resolve the issues. If no communication is there, no problem is being solved. The person will never understand what other person is facing until and unless he doesn't speak.
Therefore, proper communication and complete details must be shared in order to solve any issue. Any critical problem can be solved even by just discussing.
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