Độ lớn của điện tích
$E=\dfrac{F}{q}$
$⇒q=\dfrac{F}{E}=\dfrac{2.10^{-4}}{1000}=2.10^{-7}C$
để chụp ảnh màn hình trên máy tính em làm như thế nào
Chỉ cần đáp án ko cần lời giải ạ
Làm hộ mik với ạ,cảm ơn nhiều ạ
IV. Choose the correct answer in each sentence. 1. Are you interested for/ in photography. 2. This is my best/ favourite book. It’s David Copperfield, by Dickens. 3. I’ve decided to make/ join the local swimming club. 4. Kate usually passes/ spends most of her time reading. 5. Tim has a very interesting fun/ hobby. He builds small boats. 6. What do you like doing in your empty/ spare time? 7. Wendy is a member/ team of the drama club. 8. Anna likes going to the cinema/ cinema. V. Complete the sentences with the correct form of the verbs in brackets. 1. Sally and her family love (go)__________ to the park in the summer. 2. Her mum likes (lie) __________ on the blanket and loves (read) ________ her favourite magazines. 3. Anna’s family (like) ___________ the park because they love (be)__________outdoors. 4. In 2100, people (travel) _______________ in flying cars. 5. We love (watch)_____________ new films, and we often (go) ___________ to watch a new Hollywood film on the weekend. 6. My brother hates (do) _____________ the same things day after day. 7. Our uncle (play) ____________ badminton once a week. 8. My brother (dance) _________________ now. The music is too loud. 9. Matt (move) ________________ to London next year. 10. I enjoy (collect) _____________ dolls and it becomes my pleasure. VI. Write sentences using prompts. 1. Tuan/not/like/cook. …………………………………..……………………………………………………………………… 2. My brother/ like/ play/ table tennis. ………………………………….………………………………………………………………………. 3. Minh/ hate/ eat/ apples. ………………………………….………………………………………………………………………. 4. Ha/ dislike/ play/ the piano. ………………………………………………………………………………………………………….. 5. My parents/ really love/ garden. ………………………………………………………………………………………………………….
Hai điện tích điểm q 1 =10 -9 C và q 2 = -2.10 -9 C hút nhau bằng 1 lực có độ lớn 10 -5 N khi đặt trong không khí. Khoảng cách giữa chúng là: A. 4cm B. 4 cm C. 3cm D. 3 cm
mong mn giải giúp mình ạ , cần gấp quá =)))))
Trong đoạn mạch gồm hai điện trở mắc nối tiếp thì U = U1 = U2; I = I1 + I2; Rtđ = R1 + R2 U = U1 + U2; I = I1 = I2; Rtđ = R1 + R2. U = U1 + U2; I = I1 + I2; Rtđ= R1 + R2. U = U1 = U2; I = I1 = I2; Rtđ = R1 + R2.
Có ai giúp em ko ạ em ko giải được
WRITE A SHORT PARAGRAPH (100-150 WORDS) ABOUT YOUR FAVORITE COMPUTER. How many computers do you have? What kinds are they? Which one do you like the best? Why? Where did you buy it? How much does it cost? What do you often do with it?
giải bài 1.4 trang 7 sgk tr 7 môn sinh học
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