Solution Found!
Answer: From Pillar to Post. Starting from a pillar, you
Chapter 2, Problem 4E(choose chapter or problem)
QUESTION:
Problem 4E
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.
Questions & Answers
QUESTION:
Problem 4E
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.
ANSWER:
Step 1 of 2
The time taken to move 200 m is
time=distance/speed
=200/5
=40 s