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What is meant by the lag time on a flood hydrograph?

The lag time is the time difference between the peak rainfall and the peak discharge that occurs as a result.
LC
Answered by Laura C. • Geography tutor
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Calculate the coupon rate for a 5 year £500 bond that has a coupon value of £10

(10 x 5) (coupon value x length of bond) = 5050/500 (previous answer/bond value) = 0.10.1 x 100 (coupon rate as percentage) = 10%
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Answered by Laura C. • Economics tutor
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What is the participe passé and how to use it?

The past participle, called le participe passé in French, is very similar in French and English. It is important to recognise the French past participle’s structure. It usually ends in -é, -i, or -u, while i...
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Answered by Alice J. • French tutor
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When to use the pronouns 'y' and 'en'?

The pronoun y is used for replacing a place with prepositions that use à or en. Eg. Je vais en Italie -> J'y vais. Furthermore it can be used to replace verbs that use the preposition à. Eg. Il pense à so...
TD
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How are action potentials transmitted from one nerve to another?

Action potentials need to be transmitted over the synaptic cleft. This is achieved by the electrical impulse being converted into chemical and then back to electrical. First the action potential reaches the ...
CS
Answered by Craig S. • Biology tutor
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