2 years ago

Which variable is changed in an experiment?

Physics

1 answer:

Shtirlitz [24]2 years ago

3 0

C. The Independent variable

It is the variable that you manipulate, while dependent is the response.

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rewona [7]

Speed = distance/time
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=5.55 m/s

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3 years ago

The repulsive force between two protons has a magnitude of 2.00 N. What is the distance between them?

Aloiza [94]

Answer:

The answer to your question is letter A. r = 1.07 x 10⁻¹⁴ m

Explanation:

Data

F = 2 N

d = ?

q = 1.6 x 10 ⁻¹⁹ C

k = 8.987 Nm²/C²

Formula

$F = K\frac{q1q2}{r^{2}}$

Solve for r

$r = \sqrt{\frac{kq1q2}{F}}$

Substitution

$r = \sqrt{\frac{8.987 x 10^{9}x1.6 x 10^{-19} x 1.6 x 10x^{-19}}{2}}$

Simplification

r = $\sqrt{\frac{2.3 x 10^{-28}}{2}}$

r = $\sqrt{1.15 x 10^{-24}}$

Result

r = 1.07 x 10⁻¹⁴ m

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Alexeev081 [22]

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Answer:

second one

Explanation:

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Power of an electric motor is 1 h.p. what does it mean ?

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