Biểu thức li độ của vật dao động điều hòa có dạng: x = Acos(ωt + φ). Gia tốc cực đại của vật là ? 

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Một số câu hỏi khác có thể bạn quan tâm.

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  It was _____________ I expected.
  
  
  

• Choose a word that has different stress pattern:

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  It was Ptolemy, a / an ______________, who propounded that the Earth was the center of the universe.

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  The area ____________ New York to the south of Houston Street is known as Soho.

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  England used to be the first ____________ country in Europe as well as in the world.

• Choose the best answer for the following sentence:

  The state is at least ___________ England.
  
  

• Choose the best answer for the following sentence:

  ______________ live in the capital than in the whole of the rest of the country.
   

• Choose the best answer for the following sentence:

  It was ____________________ I had expected.
   

• Choose the best answer for the following sentence:

  He finds physics ________________ other science subjects.
   

• Choose the best answer for the following sentence:

  London has ______________ the rest of the country.