jazmine6642 jazmine6642

13-09-2022
Physics

Answered

the acceleration of a particle moving only on a horizon xy plane is given by d - 3tt 4tj, where 7 is in meters per second-squared pnd r is in seconds. at t:0, the position vector v - (20.0 m)i (a0.0 m)j locates the particle, which then has the ^ velocity vector i - (s.00 m/s)i (2.00 m/s)j . at t: 4.00 s, what are (a) its position vector in unit-vector notation and (b) the angle between its direction of travel and the positive direction of the x axis?

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