Graph the following set of data using proper graphing techniques.Step 1. Label horizontal (X) axis and vertical (Y) axis correctly.
Step 2. Plot pair of values from data table (X and Y). You may use the calculator function STAT, EDIT.
Step 3. Draw a light “line of best fit”. Do NOT connect dots! You may use the calculator function STAT, CALC.

a. What kind of curve did you obtain?
b. What is the relationship between the variables?
c. What do you expect the distance traveled to be after 45 s?
d. How much time is required for the object to travel 74 m?

Answers

Answer 1

Answer: You would get perhaps a very slight curve upward (assuming distance is plotted along the x axis and time up the y axis), as the distance increases by about 10 each time, and usually the time in seconds increases by 1, but occasionally the time increases by 2
Not sure about the relationship, I guess you could call it a positive correlation, if that's the kind the question is looking for
I'd expect the object to have travelled 334m after 45 seconds, assuming that there are no more jumps in the data, because 12*4 = 48, so 91*4 = 364, then because 10m = 1s, subtracting 3s to get down to 45s means subtracting 30m, so as to get 334m. Honestly though, for a better result, you would need to draw out the graph and calculate from there to get a better answer
74m, being between 70 and 80m, means the time needs to be between 10 and 11s
I'd expect it to be 10.4s, because as we said earlier 10m = 1s, so 4m would equal 0.4s
Hopefully that helps you, I know the answers aren't of the best quality (I know I'm not particularly happy with some of them), but that's the best I can do for you on short-notice :)

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Answers

2cos2(θ)−1 = 0
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The potential difference across wire is 75V and its electric resistance is 30Ω. Find out the electric current through the wire.

Answers

Answer:

current = 2.5A

Explanation:

We can use Ohm's law which states that V∝R so V=IR when the temperature is constant where V is the voltage (potential difference), I is the current and R is the resistance.

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Answers

Physical changes refer to alterations in the properties or characteristics of matter without changing its chemical composition. Some examples of physical changes include changes in state, size, shape and color.

Changes in state are common physical changes that occur when matter transitions between solid, liquid, or gas phases. This change occurs due to a change intemperature or pressure. For example, water freezing into ice or boiling into steam are examples of changes in state.

Changes in size, shape, and texture occur when matter undergoes physical alterations without any changes in its chemical composition. For instance, cutting a piece of paper into small pieces, hammering a metal sheet to make it thinner, or molding clay into a different shape are all examples of physical changes.

Changes in color are also physical changes. They occur when the light-reflecting properties of a material change due to a physical alteration. For instance, when copper is exposed to air, it turns green due to a chemical reaction, but when iron rusts, it changes color due to a physical change in its surface.

learn more about Pressure here.

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A boy throws a ball and accidentally breaks a window. The momentum of the ball and all the pieces of glass taken together after the collision is ________ the momentum of the ball before the collision

Answers

A boy throws a ball and accidentally breaks a window. The momentum of the ball and all the pieces of glass taken together after the collision is the same as the momentum of the ball before the collision. I think you forgot to give the choices along with the question. I hope that the answer has come to your great help.

Calculate the energy of a wave with a wavelength of 8.4x10-5

Answers

We should really talk about the energy of a photon.
Photon Energy= h x c/ wavelength
where h is Planck's constant and c is the speed of light
h = 6.63 x 10^-34
c =3x 10^8

Energy = 2.37 x 10^-21

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Answers

Answer:

It can hurt you if you get a carpet burn if you rub against carpet really fast and hard. It can help by keeping your shoes from slipping around all the time when you walk/run. Same with bike tires.

Explanation:

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