3 years ago

How does an electroscope detect negative static electricity

1 answer:

5 0

<span> An electroscope that might have a static charge is tested on a metal surface. From there, the charges move to the metal and straight to the foil leaves. If they repel, or move away from each other, that means they have identical charges. This applies for both positive and negative static electricity.

work cited: School of champions, Google
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An elevator manufacturing company is stress-testing a new elevator in an airless test shaft. The elevator is traveling at an unk

devlian [24]

Answer:

3.192 m/s

Explanation:

t = Time taken = 0.900 seconds

u = Initial velocity

v = Final velocity

s = Displacement = 1.1 meters

a = Acceleration due to gravity = 9.81 m/s²

$s=ut+\frac{1}{2}at^2\\\Rightarrow u=\frac{s-\frac{1}{2}at^2}{t}\\\Rightarrow u=\frac{1.1-\frac{1}{2}\times 9.81\times 0.9^2}{0.9}\\\Rightarrow u=-3.192\ m/s$

Velocity of the elevator when it snapped is 3.192 m/s

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Likurg_2 [28]

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Olegator [25]

Answer: 1 = Heat

2=gas

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Explanation: its common sense

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2 years ago

Where is the 3rd quadrant

jeka94

The 3rd Quadrant is the lower left one on a graph,
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3 years ago

Is the water the same temperature in alaska and mexico?

Snezhnost [94]

Colder in Alaska, warmer in Mexico.

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