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29 Oktober 2008
nanda
IPA Kelas 9

amperemeter dlm suatu rangkaian menunjukan angka 5,0 A : a) apa arti hasil pengukuran tsb? b) berapa besar muatan listrik yg berpindah dari suatu titik ke titik yg lain selama 1 sekon?

I = 5 A

artinya dalam rangkaian tersebut mengalir muatan 5 coloumb  setiap sekon.

Besar muatan yang berpindah selama satu sekon adalah 5 Coloumb. 


HERMAN MURSITO

29 Oktober 2008
tina
IPA Kelas 9

untuk memindahkan 600 coulomb muatan dari titik A ke B diperlukan 900 joule dari sumber tegangan. tantukan : a) beda potensial antara kedua titik tsb b) kuat arus yg dialirkan tiap detiknya

Q = 600 C

W = 900 J

V = ?

V     = W/Q

       = 900 J / 600 C

       =   1,5 Volt.

 

W = V I t

Q V = V I t

Q = I t 

 

I = Q/t

    = 600 C / 1s

    = 600 A
 

 

 


HERMAN MURSITO

29 Oktober 2008
tina
IPA Kelas 9

untuk memindahkan 600 coulomb muatan dari titik A ke B diperlukan 900 joule dari sumber tegangan. tantukan : a) beda potensial antara kedua titik tsb b) kuat arus yg dialirkan tiap detiknya

Q = 600 C

W = 900 J

V = ?

V     = W/Q

       = 900 J / 600 C

       =   1,5 Volt.

 

W = V I t

Q V = V I t

Q = I t 

 

I = Q/t

    = 600 C / 1s

    = 600 A
HERMAN MURSITO

29 Oktober 2008
nanda
IPA Kelas 9

amperemeter dlm suatu rangkaian menunjukan angka 5,0 A : a) apa arti hasil pengukuran tsb? b) berapa besar muatan listrik yg berpindah dari suatu titik ke titik yg lain selama 1 sekon?

I = 5 A

artinya dalam rangkaian tersebut mengalir muatan 5 coloumb  setiap sekon.

Besar muatan yang berpindah selama satu sekon adalah 5 Coloumb. 


HERMAN MURSITO

29 Oktober 2008
Ardian Risqi
Bahasa Inggris Kelas 9

Bgm cara mudah utk membedakan either,neither, not only but also, both...and..., neither nor, Either Or

Either

Contoh:

- We can eat in either restaurant. (Maksudnya, restoran yang ini boleh, yang itu juga boleh)

- I don't like either shop. (Yang ini aku tidak suka, yang itu aku juga tidak suka)

- Coffee or tea? Either one is fine. (Yang mana aja enak!)

 

Jadi, ‘either’ artinya pilihan; yang ini OK, yang itu juga OK (dalam kalimat positif). Atau yang ini tidak OK , yang itu juga tidak OK (dalam kalimat negatif).

 

Neither

Neither berarti tidak dua-duanya. Hampir sama seperti ‘either’ yang dipake di kalimat negatif (Liat contoh, I don't like either shop).

Contoh:

- Neither shop is good enough (Tak ada satupun dari toko-toko itu yang bagus)

- Neither of us is married (Tak satupun diantara kami yang sudah menikah)

 

Kalau neither ... nor... digunakan untuk menggabungkan dua kalimat yang sama - sama negative, contohnya:

- Rudy doesn't like Physics

- Rudy doesn't like Math

Jika kedua kalimat tersebut digabungkan menggunakan neither ... nor ... maka menjadi:

Rudy likes neither Physics nor Math 

- The driver wasn't safe in the accident

- The passengers weren't safe in the accident

Jika dua kalimat tersebut digabungkan, maka menjadi:

Neither the driver nor the passengers were safe in the accident 

Sedangkan either ... or ... digunakan dalam kalimat yang maksudnya kalau tidak ini, ya yang itu.

Contoh

Ann: What does Merlin play?

Leo: She plays either guitar or piano 




Bob   : I want to subscribe magazine?

Dicky : What magazine?

Bob   : I'm still in doubt. I will subscribe either "Hello" or "Contact"

 

Not only .... but also dan both .... and .....

Keduanya dipakai untuk menyatakan dua hal, benda, atau orang yang akan diungkap dalam suatu kalimat.

Contoh:

She got not only a good job but also many friends at the new place.

Not only the managers but also the staff got a new promotion.

Both father and mother are from Sumatra.

Rani and Tia study at the same school. Both of them are from the sama elementary school.


Operator

29 Oktober 2008
Ardian Risqi
Bahasa Inggris Kelas 9

Tolong Jelaskan sejelas-jelasnya tentang Question Task dan Eliptice

A tag question is a special construction in English. It is a statement followed by a mini-question. The whole sentence is a "tag question", and the mini-question at the end is called a "question tag".

We use tag questions at the end of statements to ask for confirmation. They mean something like: "Am I right?" or "Do you agree?" They are very common in English.

The basic structure is:

+
Positive statement,

-
negative tag?

Snow is white,

isn't it?

-
Negative statement,

+
positive tag?

You don't like me,

do you?

Look at these examples with positive statements:

positive statement [+]

negative tag [-]

notes:

subject

auxiliary

main verb

 

auxiliary

not

personal
pronoun
(same as subject)

 

You

are

coming,

 

are

n't

you?

 

We

have

finished,

 

have

n't

we?

 

You

do

like

coffee,

do

n't

you?

 

You

 

like

coffee,

do

n't

you?

You (do) like...

They

will

help,

 

wo

n't

they?

won't = will not

I

can

come,

 

can

't

I?

 

We

must

go,

 

must

n't

we?

 

He

should

try

harder,

should

n't

he?

 

You

 

are

English,

are

n't

you?

no auxiliary for main verb be present & past

John

 

was

there,

was

n't

he?

Look at these examples with negative statements:

negative statement [-]

positive tag [+]

subject

auxiliary

 

main verb

 

 

auxiliary

personal
pronoun
(same as subject)

It

is

n't

raining,

 

 

is

it?

We

have

never

seen

 

that,

have

we?

You

do

n't

like

 

coffee,

do

you?

They

will

not

help,

 

 

will

they?

They

wo

n't

report

 

us,

will

they?

I

can

never

do

 

it right,

can

I?

We

must

n't

tell

 

her,

must

we?

He

should

n't

drive

 

so fast,

should

he?

You

 

 

are

n't

English,

are

you?

John

 

 

was

not

there,

was

he?

Some special cases:

I am right, aren't I?

aren't I (not amn't I)

You have to go, don't you?

you (do) have to go...

I have been answering, haven't I?

use first auxiliary

Nothing came in the post, did it?

treat statements with nothing, nobody etc like negative statements

Let's go, shall we?

let's = let us

He'd better do it, hadn't he?

he had better (no auxiliary)

Here are some mixed examples:

  • But you don't really love her, do you?
  • This will work, won't it?
  • Well, I couldn't help it, could I?
  • But you'll tell me if she calls, won't you?
  • We'd never have known, would we?
  • The weather's bad, isn't it?
  • You won't be late, will you?
  • Nobody knows, do they?

Notice that we often use tag questions to ask for information or help, starting with a negative statement. This is quite a friendly/polite way of making a request. For example, instead of saying "Where is the police station?" (not very polite), or "Do you know where the police station is?" (slightly more polite), we could say: "You wouldn't know where the police station is, would you?" Here are some more examples:

  • You don't know of any good jobs, do you?
  • You couldn't help me with my homework, could you?
  • You haven't got $10 to lend me, have you?

Intonation

We can change the meaning of a tag question with the musical pitch of our voice. With rising intonation, it sounds like a real question. But if our intonation falls, it sounds more like a statement that doesn't require a real answer:

 

intonation

 

You don't know where my wallet is,

do you?

/ rising

real question

It's a beatiful view,

isn't it?

\\ falling

not a real question

Answers to tag questions

\"WSM

A question tag is the "mini-question" at the end. A tag question is the whole sentence.

How do we answer a tag question? Often, we just say Yes or No. Sometimes we may repeat the tag and reverse it (..., do they? Yes, they do). Be very careful about answering tag questions. In some languages, an oposite system of answering is used, and non-native English speakers sometimes answer in the wrong way. This can lead to a lot of confusion!

\"WSM

Answer a tag question according to the truth of the situation. Your answer reflects the real facts, not (necessarily) the question.

For example, everyone knows that snow is white. Look at these questions, and the correct answers:

tag question

correct answer

 

 

Snow is white, isn't it?

Yes (it is).

the answer is the same in both cases - because snow IS WHITE!

but notice the change of stress when the answerer does not agree with the questioner

Snow isn't white, is it?

Yes it is!

Snow is black, isn't it?

No it isn't!

the answer is the same in both cases - because snow IS NOT BLACK!

Snow isn't black, is it?

No (it isn't).

In some languages, people answer a question like "Snow isn't black, is it?" with "Yes" (meaning "Yes, I agree with you"). This is the wrong answer in English!

Here are some more examples, with correct answers:

  • The moon goes round the earth, doesn't it? Yes, it does.
  • The earth is bigger than the moon, isn't it? Yes.
  • The earth is bigger than the sun, isn't it? No, it isn't!
  • Asian people don't like rice, do they? Yes, they do!
  • Elephants live in Europe, don't they? No, they don't!
  • Men don't have babies, do they? No.
  • The English alphabet doesn't have 40 letters, does it? No, it doesn't.

Question tags with imperatives

Sometimes we use question tags with imperatives (invitations, orders), but the sentence remains an imperative and does not require a direct answer. We use won't for invitations. We use can, can't, will, would for orders.

 

imperative + question tag

notes:

invitation

Take a seat, won't you?

polite

order

Help me, can you?

quite friendly

Help me, can't you?

quite friendly (some irritation?)

Close the door, would you?

quite polite

Do it now, will you?

less polite

Don't forget, will you?

with negative imperatives only will is possible

Same-way question tags

Although the basic structure of tag questions is positive-negative or negative-positive, it is sometime possible to use a positive-positive or negative-negative structure. We use same-way question tags to express interest, surprise, anger etc, and not to make real questions.

  • So you're having a baby, are you? That's wonderful!
  • She wants to marry him, does she? Some chance!
  • So you think that's amusing, do you? Think again.

Negative-negative tag questions usually sound rather hostile:

  • So you don't like my looks, don't you?

Bentuk Elliptics dalam bahasa Inggris dipakai untuk menyatakan dua hal yang berlaku sama dalam satu kalimat.

Pola kalimatnya bervariasi tergantung pada tenses yang dipakai sehingga kata bantu yang digunakan juga bervariasi.

Contoh :

Dalam kalimat positif, kata yang dipakai adalah “so” dan “too”.

  • The headmaster is busy, and so are the teachers. …… (gunakan to-be yang sesuai dengan subjectnya.
  • He comes early everyday, so does his secretary. …(gunakan do/does untuk simple present tense.)
  • My friends prepared for the test, and I did too. ….(gunakan did untuk past tense)
  • I have submitted my paper, and Ruth has too.  ….(gunakan have/has/had untuk kalimat perfect).
  • Father can drive a car, and so can mother. …….(gunakan modals).

Pola elliptics:

………, so   + kata bantu   + Subject 2

………, Subject 2   + kata bantu   + too.

 

Dalam kalimat negatif, kata yang dipakai adalah “either” dan “neither”.

Pola:

……….  ,and  Subject 2   +  kata bantu +not   + either

………   ,and neither    +   kata bantu    +  Subject 2

Contoh:

  • The house is not far from the pond, and the river is not either.
  • My sister was not at home last night, and neither were my mother and I.

 

 

 


Operator

29 Oktober 2008
Aryati
IPA Kelas 9

Jelaskan dong tentang bagian2 dan fungsi serta proses pembentukan urin pd ginjal?

Didalam bagian kulit ginjal terdapat sistem penyaring darah yang disebut nefron. Setiap nefron tersusun atas glomerulus (berupa lengkungan cabang kapiler darah), simpai Bowman (berupa selubung yang melingkupi glomerulus), dan tubulus kontorti yang panjang dan berlekuk diantara anyaman kapiler darah.

Proses penyaringan diawali dari merembesnya cairan (filtrat) melalui glomerulus. Filtrat ini tertampung dalam simpai Bowman, selanjutnya mengalir melalui tubulus. Selama mengalir dalam tubulus filtrat mengalami proses penyerapan kembali (reabsorbsi) terhadap zat yang masih diperlukan oleh tubuh. Sisanya merupakan urine yang terkumpul dalam rongga ginjal yang kemudian dikeluarkan melalui ureter menuju kandung kemih. Akhirnya urine dikeluarkan dari tubuh melalui uretra.

 


HERMAN MURSITO

29 Oktober 2008
vHa
Bahasa Inggris Kelas 9

Tolong donk buatin 2 contoh text Importance

Terimakasih atas partisipasi anda. Alamat web ini kami sediakan untuk konsultasi pembelajaran bahasa Inggris SMP. Bila teks yang anda tanyakan adalah materi SMA anda bisa kirimkan lagi pertanyaan  ke alamat SMA.

Kami persilahkan anda mencoba membuat dahulu Importance text, kirimkan ke kami. Dengan senang hati kami akan membantu mengedit bahasany apabila perlu. Selamat mencoba.


Operator

29 Oktober 2008
vHa
Bahasa Inggris Kelas 9

Tolong donk buatin 2 contoh text Importance

Terimakasih atas partisipasi anda. Alamat web ini kami sediakan untuk konsultasi pembelajaran bahasa Inggris SMP. Bila teks yang anda tanyakan adalah materi SMA anda bisa kirimkan lagi pertanyaan  ke alamat SMA.

Kami persilahkan anda mencoba membuat dahulu Importance text, kirimkan ke kami. Dengan senang hati kami akan membantu mengedit bahasany apabila perlu. Selamat mencoba.


Operator

29 Oktober 2008
vHa
Bahasa Inggris Kelas 9

Tolong donk buatin 2 contoh text Importance

Terimakasih atas partisipasi anda. Alamat web ini kami sediakan untuk konsultasi pembelajaran bahasa Inggris SMP. Bila teks yang anda tanyakan adalah materi SMA anda bisa kirimkan lagi pertanyaan  ke alamat SMA.

Kami persilahkan anda mencoba membuat dahulu Importance text, kirimkan ke kami. Dengan senang hati kami akan membantu mengedit bahasany apabila perlu. Selamat mencoba.


Operator

 

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