41.7k views
2 votes
As shown in the figure below, Cindy rushes 30 mtoward her truck. She notices she forgot her lunch and

returns back to the house. Her total travel time is 90s

a. What is Cindy’s average velocity over the 90s period?
b. What is Cindy’s average speed over the 90s period?

User Kodkod
by
3.9k points

2 Answers

2 votes

As shown in the figure below, Cindy rushes 30 m toward her truck. She notices she forgot her lunch and returns back to the house. Her total travel time is 90 s.

What is Cindy’s average velocity over the 90 s period?

0 m/s

What is Cindy's average speed over the 90 s period?

0.67 m/s

As shown in the figure below, Cindy rushes 30 mtoward her truck. She notices she forgot-example-1
User JasonCG
by
3.9k points
4 votes

Answer: a=0m/s

b=0.67m/s

Step-by-step explanation:

khan academy

User Blatinox
by
3.6k points