3 years ago

For a Van de Graaff generator to acquire a charge on its surface what must happen?

1 answer:

3 0

The answer is D. A Van de Graaff generator is an electrostatic generator which utilizes a moving belt to aggregate an electric charge on an empty metal globe on the highest point of a protected section, making high electric possibilities. It delivers high voltage coordinate current (DC) power at low current levels.

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Imagine you derive the following expression by analyzing the physics of a particular system: v2=v20+2ax. The problem requires so

lisabon 2012 [21]

As per kinematics equation we are given that

$v^2 = v_o^2 + 2ax$

now we are given that

a = 2.55 m/s^2

$v_0 = 21.8 m/s$

$v = 0$

now we need to find x

from above equation we have

$0^2 = 21.8^2 + 2(2.55)x$

$0 = 475.24 + 5.1 x$

$x = 93.2 m$

so it will cover a distance of 93.2 m

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3 years ago

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Darwin was the first scientist to propose the concept of evolution. A True B False

vladimir2022 [97]

Answer:

B: False

Explanation:

In the early 19th century Jean-Baptiste Lamarck proposed the first fully formed theory of evolution. Darwin's theory would come a few decades later in 1858

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3 years ago

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45 V =

Valentin [98]

Explanation:

https://educationalghana.news.blog/2021/08/09/geography-human-physical-and-practical-for-wassce-novdec-candidates/

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2 years ago

Why are satellites placed into orbit at least 150 km above Earth’s surface?

dybincka [34]

Because its just enough to where its not out f the gravitational pull and not close enough to be pulled back to earth. Hope it helps