Additional Problems (Problem 105)

A 2.0-kg object has a velocity of $4.0\hat{i}\text{m/s}$ at $t=0.$ A constant resultant force of $(2.0\hat{i}+4.0\hat{j})\text{N}$ then acts on the object for 3.0 s. What is the magnitude of the object’s velocity at the end of the 3.0-s interval?