At t = 0.0 s, a runner is moving forward (in the positive direction along the x-axis) at a
speed of 7.0 m/s. For 2.0 s the runner accelerates to his left at 0.50 m/s2
and backward
at 1.0 m/s2
. What is the runner's position at t = 2.0 s in terms of the component
directions (forward/back and left/right) ?
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