Lag1989 task №3.8

Lag1989 task №3.8

Material point of mass 2kg under constant traction is moving in a straight line according to the equation x = Bt + Ct2 + Dt3; where B = -2m / s; C = 1m / s2; D = -0,2 m / s3. Find power developed at the motion of a point in the points 2 and 3.

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