3. A man leaves his front door, walks 1000 ft east, 2000 ft north, and then takes a penny from his pocket and drops it from a cliff 500 ft high. (a) Set up a coordinate system and write down an expression, using unit vectors, for the displacement of the penny. (b) The man then returns to his front door, following a different path on the return trip. What is his resultant displacement for the round trip?

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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3. A man leaves his front door, walks 1000 ft east, 2000 ft north, and then takes a penny
from his pocket and drops it from a cliff 500 ft high.
(a) Set up a coordinate system and write down an expression, using unit vectors, for the
displacement of the penny.
(b) The man then returns to his front door, following a different path on the return trip.
What is his resultant displacement for the round trip?
Transcribed Image Text:3. A man leaves his front door, walks 1000 ft east, 2000 ft north, and then takes a penny from his pocket and drops it from a cliff 500 ft high. (a) Set up a coordinate system and write down an expression, using unit vectors, for the displacement of the penny. (b) The man then returns to his front door, following a different path on the return trip. What is his resultant displacement for the round trip?
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