Questions
A person moves 30 m north, then 30 m east, then south-west. His displacement from the orginal position is
a
zero
b
28 m towards south
c
10 m towards west
d
15 m towards east
detailed solution
Correct option is A
Resolving displacement 302 south-west into two rectangular components, we getDisplacement = 302 cos450 = 302 ×(12) = 30 m∴Effective displacement due to 30 m north and 30 m south is zero.Also effective displacement due to 30 m east and 30 m west is zero.Talk to our academic expert!
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