A man walks 8km north and then 5km in a direction 60o east of north. Find the distance from his starting point

Assessment: JAMB UTME - Physics - 1987 Subject: Physics

Question 1 Report

A man walks 8km north and then 5km in a direction 60o east of north. Find the distance from his starting point
Answer Details
R =  5 2 + 8 2 − 2 × 5 × 8 × c o s 120 o

R =  129

= 11.36km

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