Question: From Pillar to Post Starting from a pillar, you run 200 m east (the + x-direction) at an average speed of 5.0 m/s, and then

From Pillar to Post Starting from a pillar, you run 200 m east (the + x-direction) at an average speed of 5.0 m/s, and then run 280 m west at an average speed of 4.0 m/s to a post. Calculate
(a) Your average speed from pillar to post and
(b) Your average velocity from pillar to post.

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