A jogger runs in a straight line with an average speed of 5 m/s for 4 minutes, then finishes with an average speed of 4 m/s for 3 minutes. What is his total displacement?
1 Answer
Feb 3, 2016
You only need
Explanation:
By using
As it is an straight line, no tricks involved at an average speed of 4m/s for 3minutes=180secons notice the change in the units of time ( either your speed is in m/min or your time in mins, you can't just combine m/s with mins)