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Physics, 17.08.2021 15:40 KittehMeow6039

Một vật dao động điều hòa với phương trình dao động: 3
x 4sin 2 t
4
  
=  −    
(cm).

a. Xác định vị trí và tính chất chuyển động tại t = 1,5 s.
b. Tại t = 2 s vật đang đi ra xa hay về gần vị trí cân bằng O với tốc độ bằng bao nhiêu ?
c. Tính vận tốc và gia tốc của chất điểm khi li độ
x 2 3 =
cm và đang ra xa vị trí cân bằng.

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Answers: 3

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Một vật dao động điều hòa với phương trình dao động: 3
x 4sin 2 t
4
  
=...
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