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What is the difference between a scalar and a vector?

A quantity that has magnitude (size), but no direction, is a scalar. A quantity that has magnitude (size) AND direction is a vector.

Scalar quantitie...

AV
Answered by Alex V. Physics tutor
12732 Views

what is entropy in terms of disorder?

In terms of chemistry- entropy refers to disorder, so basically things coming out of order. So a reaction involving chemical A moving from a solid to a gaseous state. This change in state of matter, from ...

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Answered by Nimai D. Chemistry tutor
2687 Views

Explain, using a diagram, the effects of the monopolisation of a perfectly competitive market.

Overall, the monopolisation of a perfectly competitive market can be expected to reduce total welfare. Under perfect competition, the supply curve represents the sum of the individual firms' marginal cost...

HM
Answered by Hannah M. Economics tutor
2887 Views

Example of an essay question on the Aeneid: Virgil was more concerned to instruct his audience than to entertain it’. How far do you agree? Support your answer with details from the book of the Aeneid which you have read.

Agree- Narrative (the plot follows the fulfilment of Aeneas’ divine mission, a quest which unlike that of Odysseus is not personal, but public; it is the Roman imperial mission. As early as Book 1, import...

AB
5890 Views

What is a chromosome?

A chromosome is a long, tightly coiled molecule of DNA. Chromosomes are split into sections called genes. In the human body there are 48 chromosomes within each cell (except sex cells which have 23). Chro...

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Answered by Nathaniel S. Biology tutor
3596 Views

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