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3 years ago

7

Một vật dao động điều hòa với phương trình x= 4cos(6πt) cm. Kể từ khi vật bắt đầu dao động, thời điểm vật qua a) vị trí cân bằng

lần thứ 1 là? b) vị trí biên x=4 lần thứ 2 là? c) vị trí x= -2 lần thứ 9 là ? d) vị trí x=2 lần thứ 2020 là?

1 answer:

dezoksy [38]3 years ago

7 0

Answer:

what are you saying.........

......

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<u>Given the following data:</u>

Force 1 = 500 Newton

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To determine which of the students did the most work:

Mathematically, the work done by an object is given by the formula;

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