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What is terminal velocity? (falling bodies)

When an object falls down through a fluid (e.g. water, oil, air..) there are usually two forces acting on it. They are the weight force acting downwards and the drag force acting upwards. The weight force co...
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Answered by George F. • Physics tutor
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To what extent did Elizabeth's authority decline in the years 1589 to 1603?

By the year 1589, Elizabeth was old and increasingly decrepid. She was disillusioned wth those around her and the death of many of her great councillors limited her ability to rule successfully. Furthermore,...
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Answered by Fred B. • History tutor
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To what extent were Soviet policies responsible for the outbreak and development of the Cold War between 1945 and 1949?

A question that begins 'To what extent...' is often one of the better questions to answer in an exam paper, as it allows for the expression of your own opinion on the topic. A question such as 'What were the...
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Answered by Freddie R. • History tutor
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What is the result of this binary addition: 0110 + 0101 ?

the answer is 1011.
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Answered by Sofia A. • Computing tutor
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Describe how an action potential is transmitted down the axon of a myelinated neurone

Depolarisation of the membrane in a myelinated neurone occurs in gaps between the schwann cells of the myelin sheath known as nodes of Ranvier. During depolarisation of the membrane at a node there is an inf...
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Answered by Angus N. • Biology tutor
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