Question

A person moves 30 m due north then 20 m due east and finally 30root2 m south-west. His displace-
ment from the initial position is
th
a) 10 m due east b) 10 m due west c) 1072 m due east d) 10/2 m due west​​

Answer 1

Explanation:

A person moves 30 m North then 20 m east than 30 root 2 meter southwest. In triangle XZO, OZ is resultant from origin. Hence, The position of person from origin is 10 m West.