Con lắc lò xo gồm vật nặng treo dưới lò xo dài, có chu kì dao động là T. Nếu lò xo bị cắt bớt chiều dài thì chu kì dao động của con lắc mới là ?  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Guangzhou is also the second city in China hosting the Asian Games after Beijing in 1990.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The 17^th Asian Games, officially known as the XVII ASIAD, is the largest sporting event in

  Asia governing by Olympic Council of Asia.

• Find a mistake in the four underlined parts of the sentence and correct it:

  When I was a student I described myself as book-worm because of I really love reading

  anything that caught my interest.

• Find a mistake in the four underlined parts of the sentence and correct it:

  I paint almost every day although sometimes I do not have so many time.

• Find a mistake in the four underlined parts of the sentence and correct it:

  All of us use energy every day, for transportation, cook, heating and cooling rooms,

  manufacturing, lighting, and entertainment.

• Find a mistake in the four underlined parts of the sentence and correct it:

  We rely on energy to make our lives comfortable, productive but also enjoyable.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Entertainment is an activity designing to give people pleasure or relaxation.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The industry it provides entertainment is called the entertainment industry.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The Mid-Autumn Festival falls on the 15^th day of the eight lunar month of the Chinese calendar.

• Find a mistake in the four underlined parts of the sentence and correct it:

  She was made stay at home all day to look after the children.