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A gold leaf electroscope with a zinc plate top is charged by briefly connecting it to the negative electrode of a high-voltage supply. Explain how the gold leaf will appear and how the leaf can be caused to drop again.

The gold leaf will diverge from the metal stem. This is because connecting the negative electrode to the zinc plate, causes an influx of electrons to flow into the electroscope. When the electrode is remo...

RN
Answered by Rebecca N. Physics tutor
4512 Views

Explain the importance of the cytoskeleton's role in providing mechanical strength to cells, aiding transport within cells and enabling movement of the cell.

The cytoskeleton is an internal framework within the cell made up of two different protein fibres: microfilaments and microtubules. It has a number of different functions including: providing mechanical s...

Answered by Biology tutor
5301 Views

Prove the square root of 2 is irrational

Explain proof by contradictionAssume sqrt(2) is rational i.e. can be expressed as the ratio of two integers: a/bUse algebraic steps to find this statement results in a contradictionirrationality proved by...

JP
Answered by Joseph P. Maths tutor
2798 Views

How can I improve my English to French translations?

Firstly, don't rush into translating anything straight away. You should have plenty of time to complete the translation, and it's much better to think openly about what could be some good transla...

AS
Answered by Amelia S. French tutor
1850 Views

How do you use the particle 得?

Most commonly, 得 is used in degree complements, following the structure verb + 得 + degree complement. Degree complements normally express how a verb happened or assesses its quality.For example, in the se...

RL
Answered by Rufus L. Mandarin tutor
978 Views

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