Ответ:
Объяснение:
Дано:
a = 4·cos 2t
____________
X₀ - ?
x = X₀·cos (2·t)
v = x' = - 2·X₀·sin (2·t)
a = v' = - 4·X₀·cos (2·t)
Имеем:
4 = - 4·X₀
| X₀ | = 1 м
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Ответ:
Объяснение:
Дано:
a = 4·cos 2t
____________
X₀ - ?
x = X₀·cos (2·t)
v = x' = - 2·X₀·sin (2·t)
a = v' = - 4·X₀·cos (2·t)
Имеем:
4 = - 4·X₀
| X₀ | = 1 м