Объяснение:
x = 3t + 0.06t^3;
x' = v = 3 + 3*0.06*t^2 = 3 + 0.18*t^2;
v = 3 + 0.18*(5)^2 = 7.5 m/s;
x'' = v' = a = 2*0.18*t = 0.36*t;
a = 0.36*5 = 1.8 m/s2
Объяснение:
x = 3t + 0.06t^3;
x' = v = 3 + 3*0.06*t^2 = 3 + 0.18*t^2;
v = 3 + 0.18*(5)^2 = 7.5 m/s;
x'' = v' = a = 2*0.18*t = 0.36*t;
a = 0.36*5 = 1.8 m/s2