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A particle initially located at the origin has an acceleration of à = 2.1î m/s? and an initial velocity of v =
4.9j m/s.
(a) Find the velocity of the particle at t = 5.0s.
î m/s +
ĵ m/s
(b) Find the speed of the particle at this time.
m/s
(c) Find the angle between the direction of travel of the particle and the x axis at this time.

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