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Sveta_85 [38]
3 years ago
6

Why is it very important that only one variable be changed in a n experiment

Physics
2 answers:
Vika [28.1K]3 years ago
6 0

Answer:

There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all. ... A variable within a scientific experiment is something that is changed (i.e. it varies).yes here is correct

ValentinkaMS [17]3 years ago
4 0

Answer:

There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all. ... A variable within a scientific experiment is something that is changed

Explanation:

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HURRY
motikmotik

Answer:

12

N

in the direction opposite to electric field.

Explanation:

Force on a charged particle

q

due to electric field

E

is given by

→

F

=

q

→

E

|

F

|

=

−

0.06

C

×

200

N

C

=

−

12 N

Here negative indicates that force is in the direction opposite to electric field.

6 0
2 years ago
Why it is important for scientists and engineers to understand the relationship between a structure and its function?
ivolga24 [154]

Answer:

Science is the body of knowledge that explores the physical and natural world. Engineering is the application of knowledge in order to design, build and maintain a product or a process that solves a problem and fulfills a need.

Explanation:

3 0
3 years ago
Which statement about stage 3 NREM is accurate?
cestrela7 [59]

Answer:

hope

that helps

Explanation:

D. The sleeper's heart rate, blood pressure, and breathing rate drop to their lowest levels.

8 0
3 years ago
What keeps the hydrogen atoms together in the molecule ?
blagie [28]
The bonds that hold atoms together to form molecules are called covalent bonds. They are pretty tough and not easily made or broken apart. It takes energy to make the bonds and energy is released when the bonds are broken.
7 0
3 years ago
The current in the wires of a circuit is 60.0 milliAmps. If the voltage impressed across the ends of the circuit were doubled (w
Pavel [41]

Answer:

120 mA

Explanation:

The relationship between voltage, current and resistance in a circuit is given by Ohm's law

I=\frac{V}{R}

where

I is the current

V is the voltage

R is the resistance

In this problem, we have an initial current of

I = 60 mA

Then the voltage is doubled:

V' = 2 V

while the resistance is kept the same:

R' = R

So the new current is

I' = \frac{V'}{R'}=\frac{2V}{R}=2\frac{V}{R}=2 I

so, the current has doubled. Since I = 60 mA, the new current is

I' = 2(60 mA)=120 mA

3 0
3 years ago
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