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АлинаГецман
@АлинаГецман
July 2022
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решите плиз задачу 1 и 2
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xsellizer
1) S = V(0)t + at^2/2; S = 5м/с * 5c + 0,5 м/с^2*5^2c/2 = 25 + 6,25 = 31,25 м
2) a = (V - V(0))/t ; a = -15/20 = -0,75 м/с^2
x = x(0) + v(0x)t + at^2/2
x = 15м/с * 20с - 0,75м/с^2* 20^2/2 = 150 м
1 votes
Thanks 1
xsellizer
Все понятно?)
АлинаГецман
да , понятно. спасибо
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Answers & Comments
2) a = (V - V(0))/t ; a = -15/20 = -0,75 м/с^2
x = x(0) + v(0x)t + at^2/2
x = 15м/с * 20с - 0,75м/с^2* 20^2/2 = 150 м