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A person moves 30 m north, then 30 m est...

A person moves `30 m` north, then `30 m est, then 30sqrt(2)` south-west. His diaplacement from the original position is

A

`14 m " south - west"`

B

`28 m " south "`

C

`10 m " west"`

D

`15 m " east"`

Text Solution

Verified by Experts

The correct Answer is:
C
`X = 20 - 30 sqrt(2) cos 45^(@) = 20 - 30 = -10 m`
`y = 30 - 30 sqrt(2) sin 45^(@) = 0`
Resultant is `10 m west`
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