Alex is biking from home (at point A) to drop off a letter at the post office
Question:
Alex is biking from home (at point A) to drop off a letter at the post office (at pointB) along a straight path. The post office is located east of Alex's house. He starts with a speed of 3 m/s for 10 minutes. Stop for 5 minutes to answer a phone call then turn back to pick up another letter at his friend's house (at point C) then continue to the post office. The velocity-time graph of Alex's trip is plotted below. The speed (v) is in meter per second (m/s) and the time (t) in minutes (min). Alex's arrives post office at a speed of 6 m/s.
A) Where is Alex friend's house relative to Alex's home (i.e. how far away and is it east or west of Alex's home?)
b)If Alex wants to go back home in 5 minutes, what average speed does he need to bike back?
c) What is his average speed and average velocity of his whole trip?
Business Law The Ethical Global and E-Commerce Environment
ISBN: 978-0071317658
15th edition
Authors: Jane Mallor, James Barnes, Thomas Bowers, Arlen Langvardt