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xxTIMURxx [149]
3 years ago
10

Uma wants to recreate the discovery of superconductivity. Which describes the materials needed?

Physics
2 answers:
zaharov [31]3 years ago
7 0

Answer:

B)a tool to drop temperatures, mercury, an electric current, and a tool to measure resistance

Vlada [557]3 years ago
6 0
B a tool to drop temp
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The pilot of an aircraft wishes to fly due west in a 33.9 km/h wind blowing toward the south. The speed of the aircraft in the a
diamong [38]

Answer:\theta =9.96^{\circ} North of west

Explanation:

Given

Plane wishes to fly in west

but wind with speed 33.9 km/h towards south obstructing its path

so plane must fly at an angle of \theta w.r.t west such that it final velocity is towards west

Plane absolute speed=195 km/h

To fly towards west velocity in Y direction should be zero

thus 195sin\theta =33.9

\theta =9.96^{\circ}

so Plane should head towards 9.96^{\circ} North of west in order to fly in west.

So plane

actual velocity is

v=-195cos9.96\hat{i}+195sin9.96\hat{j}

5 0
3 years ago
PLS HELP I NEED IT
irinina [24]

Answer:

<h2>A. a spring & B. a well dried into an aquifer.</h2>

8 0
3 years ago
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A block of amber is placed in water and a laser beam travels from the water through the amber. The angle of incidence is 35 degr
7nadin3 [17]
Answer: 1.88

Explanation

Applying Snell’s Law, sin(1)/sin(2) = n(2)/n(1), where n is the index of refraction and sin 1 and 2 being of incidence and refracted respectively.

1) sin35/sin24 = n(2)/1.33
2) 1.41 = n(2)/1.33
3) n(2) = 1.41 x 1.33
4) n(2) = 1.88

Hope this helps :)
7 0
3 years ago
What disadvantage of convex mirror​
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Answer:

The disadvantage is that convex mirror is that they make it appear like those objects are at a more noteworthy distance than they actually are. It always gives a virtual, erect and a diminished image.

Explanation:

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3 years ago
Which quantity is a scalar quantity?
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The answer is Area ,area
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