The material point moves in a straight line. The equation of motion has the form x = At + Bt ^ 3, where A = 3 m / s, B = 0.06 m / s ^ 3. Find the point of velocity and acceleration at time t1 = 0 and t2 = 3. What are the average values of speed and acceleration in the first 3 with movement?
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24.09.2014 18:03:16
Прекрасное решение!