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bonufazy [111]
3 years ago
6

assuming that the air temperature is constant, what happens to a hot air balloon if it goes too far up in the atmosphere , where

the outside air pressure is much less than the inside are pressure of the balloon? . . a. it bursts. . b. it loses air . . c. it burns up. . d. gravity begins to pull it back down to earth
Physics
1 answer:
PIT_PIT [208]3 years ago
7 0
Hello!

The balloon explodes, because the pressure builds up inside and the air want to expand. Letter a)

Hugs!
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Which statements define factors that contribute to the decline of Roman Empire
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How does the matter and (solar) energy move through the sphere?
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Perfect square of 11650​
suter [353]

Answer:

Since the area of the perfect square is 11650, and all of a squares sides ar equal, we just need to find the square root.

The square root of 11650 is 107.935166.

One side of the square is 107.935166

107.935166 x 107.935166 = 11650

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7 0
3 years ago
Read 2 more answers
In which situation will the lowest resistance occur?
MrMuchimi

C. Thick wire and cold temperature.

Explanation:

The resistance of a wire is given by:  R = (ρL)/A

where ρ is the resistivity of the material, L is the length of the wire, A is the cross-sectional area of the wire.

From the formula, we see that the thicker the wire, the larger A, therefore the smaller the resistivity. so, a thick wire will have lower resistivity.

Moreover, the resistance of a wire increases with the temperature. In fact, high temperatures mean more motion of the atoms/electrons inside the wire, so more resistance to the flow of current through it. Therefore, colder temperature means lower resistance.

So, the correct option is thick wire and cold temperature.

7 0
3 years ago
In an aqueous solution where the H+ concentration is 1 x 10-6 M, the OH concentration must be:
vesna_86 [32]

Answer:

D. 1×10⁻⁸ M

Explanation:

[H⁺] [OH⁻] = 10⁻¹⁴

(1×10⁻⁶) [OH⁻] = 10⁻¹⁴

[OH⁻] = 1×10⁻⁸

6 0
3 years ago
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