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Pachacha [2.7K]
3 years ago
6

All describe the relationship of the parts of an electrical current except: _________.

Physics
2 answers:
Zanzabum3 years ago
6 0
<span>As we know that
I = V / R 
because electric current is measured in amperage
so it will be
</span> Electric current decreases as amperage increases
so correct option is A 
HOPE IT HELPS
ehidna [41]3 years ago
5 0
Choice-A is not true. B and C are.
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True or false mechanical waves need a medium through which to transport energy
a_sh-v [17]

Answer:True

Explanation: The mechanical waves need a medium through which to transport energy because the perturbation travels inside of the medium so it needs molecules that connect elastically the displacement of the wave. For example the sound mainly uses the air molecules to transport the energy also the sound can be traveled in solid materials like metal rods.

4 0
2 years ago
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A Shaolin monk of mass 60 kg is able to do a ‘finger stand’: he supports his whole weight on his two index fingers, giving him a
LekaFEV [45]

Answer:

1500000 Pa

Explanation:

The formula for pressure is force per unit area.

P=F/A where  F is force and A is area

Given that ;

F= mass * acceleration due to gravity

F= 60 * 9.81 = 588.6 = 589 N

A= area = 4cm² = 0.0004 m²

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4 0
3 years ago
An unknown immiscible liquid seeps into the bottom of an open oil tank. Some measurements indicate that the depth of the unknown
ira [324]

Answer:

The specific gravity of the unkown liquid is 15.

Explanation:

Gauge pressure, at the bottom of the tank in this case, can be calculated from

P_{bot}=\gamma_{oil}h_1 + \gamma_{unk}h_2,

where h_1 and h_2 are the height of the column of oil and the unkown liquid, respectively. Writing for \gamma_{unk}, we have

\gamma_{unk} = \frac{P_{bot} - \gamma_{oil}h_1}{h_2} = \frac{65\frac{kN}{m^2} - 8.5\frac{kN}{m^3}\times 5m}{1.5m} = \mathbf{15 \frac{kN}{m^3}}.

Relative to water, the unknow liquid specific weight is 15 times bigger, therefore this is its specific gravity as well.

3 0
2 years ago
B) What are the only two sources of energy that produce all the energy we use on Earth? What form
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Answer:

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Explanation:

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2 years ago
Orion, also called the Hunter, has three stars that make up Orion's belt.
ruslelena [56]

Answer - B. Betelguese.

I really hope this helps!!

8 0
2 years ago
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