Bạn Minh ngồi trên máy bay đi du lịch thế giới với vận tốc chuyển động của máy báy là . Quãng đường máy bay bay từ giây thứ 4 đến giây thứ 10 là:  

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Một số câu hỏi khác có thể bạn quan tâm.

• Nền kinh tế tri thức không có đặc điểm nào sau đây?
  

• When we were in Hawaii, we often spent ________ time walking along the beach and enjoying the fresh air.

• Vật nào sau đây chuyển động theo quán tính ?

• May you_____ happy all your life!

• Tổ hợp công nghiệp hàng không E-Bớt có trụ sở đặt ở
  

• If you can give me one good reason for your acting like this, _____ this incident again.

• Ở nước ta, chăn nuôi bò tập trung ở vùng nào sau đây?

• Tìm tất cả các giá trị của tham số m để hàm số  có ba cực trị.           

• Read the passage and choose the correct answer:
  Last year I went to Nepal for three months to work in a hospital. I think it's important to see as much of a country as you can, but it is difficult to travel around Nepal. The hospital let me have a few days’ holiday, so I decided to go into the jungle and I asked a Nepalese guide, Kamal Rai, to go with me.
  We started preparing for the trip at six in the morning, and left camp with two elephants carrying our equipment. It was hot but Kamal made me wear shoes and trousers to protect me from snakes. In the jungle there was a lot of wildlife, but we were trying to find big cats, especially tigers. We climbed onto the elephants' backs to get better view, but it is unusual to find tigers in the afternoon because they sleep in the heat of the day.
  Then, in the distance, we saw a tiger, and Kamal told me to be very quiet. We crept nearer and found a dead deer, still bleeding. This was the tiger's lunch! Suddenly I started to feel very frightened.
  We heard the tiger a second before we saw it. It jumped out like a flash of lightning, five hundred kilos plus and four meters long. I looked into its eyes and face, and saw right down the animal's throat. It grabbed Kamal's leg between its teeth, but I managed to pull Kamal away. One of our elephants ran at the tiger and made it go back into the grass, so we quickly escaped to let the tiger eat its lunch. That night it was impossible to sleep!
  Question. He really wanted to see. . . . . . . . . . . . . . . . . . . . .
  

• Giải phương trình .