Solution Found!
IP You drive in a straight line at 20.0 m/s for 10.0
Chapter 2, Problem 20P(choose chapter or problem)
Problem 20P
IP You drive in a straight line at 20.0 m/s for 10.0 minutes, then at 30.0 m/s for another 10.0 minutes, (a) Is your average speed 25.0 m/s, more than 25.0 m/s, or less than 25.0 m/s? Explain, (b) Verify your answer to part (a) by calculating the average speed.
Questions & Answers
QUESTION:
Problem 20P
IP You drive in a straight line at 20.0 m/s for 10.0 minutes, then at 30.0 m/s for another 10.0 minutes, (a) Is your average speed 25.0 m/s, more than 25.0 m/s, or less than 25.0 m/s? Explain, (b) Verify your answer to part (a) by calculating the average speed.
ANSWER:
Step 1 of 3
Here we have to calculate the average speed for the entire journey.
Given data,
First half
Speed
Time interval,
Using
Second half
Speed
Time interval,
Using