s(t) = 5t²-2t+16
v(t) = s'(t) = (5t²-2t+16)' = 5•2t-2 = 10t-2
10t-2 = 8
10t = 10
t = 10/10
t = 1(с)
ответ: 1с.
s(t) = 5t²-2t+16
v(t) = s'(t) = (5t²-2t+16)' = 5•2t-2 = 10t-2
10t-2 = 8
10t = 10
t = 10/10
t = 1(с)
ответ: 1с.