Một con lắc lò xo nằm ngang có độ cứng k dao động điều hoà với biên độ A. Cơ năng của dao động là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  initiate              opinion                  commitment                national

• Choose a word that has different stress pattern:

  stagnant                   foreign                       advance                         method

• Choose a word that has different stress pattern:

  agriculture                development                         professional                      unfortunate

• Choose a word that has different stress pattern:

  improve                 measure                         achieve                       consume 

• Choose a word that has different stress pattern:

  communist                 enterprise                   introduce                pesticide 

• Choose the best answer for the following sentence:

  I’d like to visit Lock Ness to see the monster, ______________ it’s too far to go.
  
  

• Choose the best answer for the following sentence:

  _____________ I like her, I think she is rather mean.
  
  

• Choose the best answer for the following sentence:

  
  _____________ the fact that it was raining, he went for a walk.
  
  

• Choose the best answer for the following sentence:

  Jack could not afford to go to university _______________ of winning a scholarship.
  
  

• Choose the best answer for the following sentence:

  Tom was a loyal friend. ______________, I found him irritating at times.