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A force of 13.8 N was used to lift a mass 30 cm vertically through a liquid. Calculate the work done in lifting the mass, stating the correct units.

Either from memory or using the formula booklet provided we know Work Done = Force x Distance Moved (in the direction of the force). Therefore we can use the values given and this formula to workout our a...

HG
Answered by Harry G. Physics tutor
4478 Views

How does the body respond to raise its core body temprature?

shivering - muscles contract rapidly, causes more respiration which releases energy blood vessels near skin constrict - blood flow to skin decreases, less energy lost to surroundings

CS
Answered by Cara S. Biology tutor
2560 Views

What is the purpose of the Russian letter "ь" (мягкий знак; myahkiy znak)?

The letter "ь" is very important in the Russian language. Its purpose is to make the pronunciation of the preceding consonant soft. To illustrate, look at the Russian word "конь" (hors...

NZ
Answered by Nikita Z. Russian tutor
7672 Views

I have trouble remembering which muscle contracts and which muscle relaxes during the Iris reflex; could you explain it to me?

The first thing to remember is that muscles always act in pairs; so when one contracts, the other relaxes. Think of the muscles in your arm; when you bend your arm towards you, the bicep contracts so beco...

SK
Answered by Sumayya K. Biology tutor
33302 Views

What literary techniques does the author use to convey the atmosphere of the scene in the extract?

One literary technique employed by the writer is the use of pathetic fallacy. The description of torrential rain helps to set the mood of something scary and ominous. It foreshadows that something terrify...

IF
Answered by Ibijoke F. English tutor
3072 Views

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