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A car makes a trip due north for three-fourths of the time and due south one-fourth of the time. The average northward velocity has a magnitude of 32 m/s, and the average southward velocity has a magnitude
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24 votes
24 votes
A car makes a trip due north for three-fourths of the time and due south one-fourth of the time. The average northward velocity has a magnitude of 32 m/s, and the average southward velocity has a magnitude of 29 m/s. What is the average velocity (magnitude and direction) for the entire trip?

User Imarktu
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1 Answer

16 votes
16 votes

Answer:

16.75 m/s North

Step-by-step explanation:

Calculate a weighted average; North is the positive direction

(32 m/s).75 - (29 m/s).25 = 16.75 m/s N

User Ilinca
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