Cường độ điện trường gây ra bởi điện tích Q= 5.10-9C, tại một điểm trong chân không cách điện tích một khoảng 10 cm có độ lớn là

Các câu hỏi liên quan

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. ………………………………………………………………………………………………………….