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Komok [63]
2 years ago
12

ILL GIVE BRAINLIEST IF UR CORRECT

Physics
1 answer:
marusya05 [52]2 years ago
8 0

Answer:

B is the answer.

Explanation:

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Describe the two types of comet tails and how each are formed.
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There are two main types of cometary tails: the ion and dust tail.

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3 years ago
Technician A says that the diameter of a bolt is the same as the wrench size used to remove or install the fastener. Technician
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Answer:

Neither Technician A or B

Explanation:

Both technicians are wrong. The diameter of bolt is not based on the top where wrench used, but on the smaller part below, it called shanks. Wrench size also not based on the top diameter but the width across the flat. The calculation for the length of a bolt also will not include the top/head, it only includes the shanks.  

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If a plane is moving at a constant velocity what is happening to the acceleration?
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The plane is not accelerating.

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3 years ago
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7. Which phase changes require a gain of energy (heat)?
Keith_Richards [23]

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c

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3 years ago
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A rigid tank contains nitrogen gas at 227 °C and 100 kPa gage. The gas is heated until the gage pressure reads 250 kPa. If the a
aleksley [76]

Answer:

 T₂ =602  °C

Explanation:

Given that

T₁ = 227°C =227+273 K

T₁ =500 k

Gauge pressure at condition 1 given = 100 KPa

The absolute pressure at condition 1 will be

P₁ = 100 + 100 KPa

P₁ =200 KPa

Gauge pressure at condition 2 given = 250 KPa

The absolute pressure at condition 2 will be

P₂ = 250 + 100 KPa

P₂ =350 KPa

The temperature at condition 2 = T₂

We know that

\dfrac{T_2}{T_1}=\dfrac{P_2}{P_1}\\T_2=T_1\times \dfrac{P_2}{P_1}\\T_2=500\times \dfrac{350}{200}\ K\\

T₂ = 875 K

T₂ =875- 273 °C

T₂ =602  °C

5 0
3 years ago
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