Ném một vật nhỏ theo phương ngang với vận tốc ban đầu là 5 m/s, tầm xa của vật là 15 m. Thời gian rơi của vật là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  In Western families, the child is often ___________ after the one his parents love most.
   

• Choose the best answer for the following sentence:

  I didn't know how to answer his question. There was a ____________ in our conversation.
  

• Choose the best answer for the following sentence:

  Small businesses are struggling in the present economic ___________.
    

• Choose the best answer for the following sentence:

  Traveling becomes more and more convenient between countries when the high-speed European rail __________ come into use.
   

• Choose the best answer for the following sentence:

  You are really in need of a hat to keep the sun _____________ your head when traveling to Sahara desert.
   

• Choose the best answer for the following sentence:

  The detective started his work by drawing a map showing the precise ______________ of the accident.
   

• Choose the best answer for the following sentence:

  Many of the fascinating features of desert plants are ____________.
   

• Choose the best answer for the following sentence:

  There was a time when I couldn't get to the top of the class, ____________ hard I worked.
   

• Choose the best answer for the following sentence:

  Sorry that I can't join the picnic; I'm busy. ____________, I don't have any money after buying all these stuffs.
   

• Choose the best answer for the following sentence:

  He's the best boss I've ever had. ____________, he always buys everyone a present on their birthdays.