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romanna [79]
3 years ago
6

What is a factor that affects the outcome of an experiment?

Physics
2 answers:
Elis [28]3 years ago
6 0

The answer is D. Variable. Hope this Helps:)))



STALIN [3.7K]3 years ago
6 0

Answer: D-variable

Explanation:

A variable is the parameter over which changes can be made and observed so as to determine the outcome of the experiment. The two important variables such as dependent and independent variables and changes occurring over them can be useful in determining the outcome of the experiment.

An independent variable is the one which can be changed or manipulated by the experimenter so as to observe the impact of such change over the dependent variable. A dependent variable cannot be manipulated in the experiment instead the changes occurring in the dependent variable are because of the changes occurring in the independent variable. The observations on the dependent variable can be used for determining the outcome of the experiment.

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While moving a box 10.0 m across the floor, Sam pushes with a force of 150 N to the right. The force friction acting on the box
svet-max [94.6K]

Answer:

Explanation:required formula is

W 1=F*S

W1=work done by Sam =?

F=force applied by sam=150N

S=displacement =10m

again

W2=F*S

W2=work done by friction =?

S=displacement =10m

F=friction =25N

W=W1-W2=net work done

please feel free to ask if you have any questions

4 0
3 years ago
A 3.0-A current is maintained in a simple circuit that consists of a resistor between the terminals of an ideal battery. If the
harina [27]

Answer:

R=2.78\ \Omega

Explanation:

Given that,

The current flowing in the circuit, I = 3 A

The power of the battery, P = 25 W

We need to find the resistance of the battery. We know that the power of the battery is given by the formula as follows :

P=I^2R

Put all the values to find R.

R=\dfrac{P}{I^2}\\\\R=\dfrac{25}{(3)^2}\\\\R=2.78\ \Omega

So, the resistance is equal to 2.78\ \Omega.

7 0
2 years ago
QUIZZ <br><br>12 + 14 + 66 - 87
svet-max [94.6K]

12 + 14 + 66 - 87

26+66-87

92-87

5

6 0
2 years ago
Read 2 more answers
Which geologic feature most likely be represented by contour lines drawn far apart from one another?
andrey2020 [161]

Answer;

A plain

Explanation;

A contour line connects points of the same elevation. Contour lines are usually curves. Closed contours represent hills.

Contour lines can not cross since they represent different elevations. A contour interval is the difference in elevation between one contour and an adjacent contour.

5 0
3 years ago
A 3.00-kg object has a velocity 1 6.00 i ^ 2 2.00 j ^2 m/s. (a) what is its kinetic energy at this moment? (b) what is the net w
tatyana61 [14]
(a) The velocity of the object on the x-axis is 6 m/s, while on the y-axis is 2 m/s, so the magnitude of its velocity is the resultant of the velocities on the two axes:
v= \sqrt{(6.00m/s)^2+(2.00 m/s)^2}=6.32 m/s
And so, the kinetic energy of the object is
K= \frac{1}{2}mv^2= \frac{1}{2}(3.00 kg)(6.32 m/s)^2=60 J

(b) The new velocity is 8.00 m/s on the x-axis and 4.00 m/s on the y-axis, so the magnitude of the new velocity is
v= \sqrt{(8.00 m/s)^2+(4.00 m/s)^2}=8.94 m/s
And so the new kinetic energy is
K= \frac{1}{2}mv^2= \frac{1}{2}(3.00 kg)(8.94 m/s)^2=120 J

So, the work done on the object is the variation of kinetic energy of the object:
W=\Delta K=120 J-60 J=60 J
7 0
2 years ago
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