4. 2D Kinematics
4. 2D Kinematics / Velocity in 2D / Problem 5
The horizontal and vertical components of the velocity of an ice skater performing in a horizontal frictionless arena are shown in the figure below. At t = 0 s, the ice skater's initial position vector is r0 = 0 î + 0 ĵ. Determine the direction of the velocity vector of the ice skater with respect to the positive horizontal direction at time t = 3 s.
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