A bird flying 5.0 m overhead sees me drop it, and starts to dive straight down towards the bread the instant I release it. She c
1 answer:
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The average velocity is 20 km/h west
Explanation:
The velocity of an object is given by:
where
d is the displacement
t is the time elapsed
The displacement of an object is a vector connecting the initial position and the final position of motion.
In this problem, the car moved
40 km East
80 km West
Therefore, the displacement is given by (taking West as positive direction)
West
The time elapsed is
t = 2 h
Therefore, the average velocity is
in the West direction.
Learn more about average velocity:
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