(II) A 4.5-kg object moving in two dimensions initially
Chapter , Problem 61(choose chapter or problem)
(II) A 4.5-kg object moving in two dimensions initially has avelocity vi = (lO.Oi + 20.0j) m/s. A net force F then actson the object for 2.0 s, after which the objects velocityis v2 = (15.0i + 30.0j) m/s. Determine the work done byF on the object.
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