An object has an initial velocity v = 2.4i +4.5j m/s. Over a period of time t = 2.9 s, its velocity becames v2 = 2.4i + 3j m/s. The magnitude of the object's acceleration (in m/s?) is: a. 1.73 b. 0.52 с. 2.59 d. 3.07 е. 0.26
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