A postman was driving a motorcycle travelling 9.0 km 50° North of East, then 11.0 km, 35° South of East, and another 12.0 km, 20° North of East before coming to a stop. Due to the unstable data connection of his mobile phone, he missed the address of the receiver. Instead of taking the last route, he should have driven 9.0 km, 20° West of North.

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter3: Vectors
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Problem 50PQ: An aircraft undergoes two displacements. If the first displacement is directed at an angle of 225...
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2) A postman was driving a motorcycle travelling 9.0 km 50° North of East, then 11.0 km, 35° South of East, and another 12.0 km, 20° North of East before coming to a stop. Due to the unstable data connection of his mobile phone, he missed the address of the receiver. Instead of taking the last route, he should have driven 9.0 km, 20° West of North.

i) Draw the path that the postman have driven.
ii) Determine the path that the postman should have taken to arrive at the address of the receiver (magnitude and direction).
iii) Determine the postman's displacement from his starting position.
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