Предмет: Физика, автор: maria1928746

1) Що називають амплітудою коливань? 2) За якою формулою обчислюють період коливань?
Яка одиниця вимірювання періоду коливань?
!ДАЮ 50 БАЛЛОВ
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Ответы

Автор ответа: kochetkovavika1831
38

Ампліту́да коливань — найбільше відхилення величини, яка періодично змінюється від деякого значення, умовно прийнятого за нульове.

Період коливань (T) дорівнює часу поділеному на кількість коливань: T = t÷N

[T]=c

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Do you want to be on TV or in a film? Well, if you do, then why not become an extra? Extras play a very small part in a film or TV programme. They don’t usually speak. However, they may have to walk across the set or stand with other extras as part of a crowd.
There are many agencies that are always looking for extras and some of them are online, so it’s easy to apply wherever you live. You usually just need to fill in an application form and send in some photos. TV and film directors often want extras who have a particular look. For example, they may want women with long hair for period dramas and people who look a bit scary for horror films, so try to think about the kind of programme that you’d like to be in when you’re choosing which photos to send.
So imagine you get a call to say a director wants you in their next film. You’re really excited, but what happens next? Well, don’t be anxious about how you’ll look on screen, as the company will do lots of work on you when you arrive on the set. You might have to wear your own clothes, but don’t worry about your hair and make-up as there will be staff to make you look perfect for the role.
Now, although it all sounds really exciting, be prepared to sit around for a lot of the day, waiting until you are needed for your scene. The time can go very slowly if you don’t have anything to do, so it’s a good idea to take a book with you on any job that you get. Take some food and drink, too – you’ll probably get lunch, but remember it’ll be a long day!
Most extras can earn about £90 to £110 a day. This isn’t very good for the number of hours that you need to be available, but for the actual work that you do, it’s OK. However, people usually become an extra for the chance to be on the big screen rather than for the money. Some people hope that it may lead to a real acting part. This doesn’t happen very often, but there are some stories of extras becoming famous because a director saw them on a film set. However, even if you continue to just be an extra, you might get to see one of your favourite Hollywood actors one day, and it will definitely be something to tell all your friends about!

1 What is the best title for the article?
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2 The writer suggests that you will get an ‘extra’ job if
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get a part, you may need to
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c You might get jobs for your friends.

5 What does the writer think about the job of an extra?
a It is very popular with actors.
b It can be a bit boring.
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