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zvonat [6]
2 years ago
8

HELP!!!! 20 pointsss

Physics
2 answers:
PSYCHO15rus [73]2 years ago
7 0

Answer:

The answer will be the first one.

Explanation:

Divide

SashulF [63]2 years ago
5 0
The first one. I just did it. Hope this helps!!!!
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Gold has a density of 19300 kg/m³. Calculate the mass of 0.02 m³ of gold in kilograms.
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Answer:

Mass = 386 kg

Explanation:

<u><em>Density = Mass / Volume</em></u>

Mass = Density × Volume

Where D = 19300 kg/m³ , V = 0.02 m³

<em>Putting the given in the above formula</em>

Mass = 19300 × 0.02

Mass = 386 kg

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2 years ago
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What are the main factors that influence the climate of any location on earth?
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Answer:

Explanation:

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The factor that influence climate are

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5. topography

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7. prevailing winds.

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3 years ago
al aplicar una fuerza de 2 N sobre un muelle este se alarga 4cm.¿cuanto se alargara si la fuerza es el triple?¿que fuerza tendri
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1) 12 cm

2) 3 N

Explanation:

1)

The relationship between force and elongation in a spring is given by Hooke's law:

F=kx

where

F is the force applied

k is the spring constant

x is the elongation

For the spring in this problem, at the beginning we have:

F=2 N

x=4 cm

So the spring constant is

k=\frac{F}{x}=\frac{2N}{4 cm}=0.5 N/cm

Later, the force is tripled, so the new force is

F'=3F=3(2)=6 N

Therefore, the new elongation is

x'=\frac{F'}{k}=\frac{6}{0.5}=12 cm

2)

In this second problem, we know that the elongation of the spring now is

x=6 cm

From part a), we know that the spring constant is

k=0.5 N/cm

Therefore, we can use the following equation to find the force:

F=kx

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