A particle moves in the xy plane with constant
acceleration. At time zero, the particle is at
x = 9 m, y = 2 m, and has velocity ~vo =
(9 m/s) Ëi + (-7.5 m/s) Ë? . The acceleration is
given by ~a = (1.5 m/s
2
) Ëi + (3 m/s
2
) Ë? .
What is the x component of velocity after
4 s?

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Beverley SmithLv2

28 Aug 2019

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