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A persin moves 30 m north, then 20 m east and finally 302 m south-west. The displacement from the original position is :Solution in Kannada

A

14 m south-west

B

10 m west

C

28 m south

D

15 m east

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The correct Answer is:B


S=30ˆj,S2=20ˆi
S3=302(cos45ˆi+sin45ˆj)
S=S1+S2+S3=30ˆj+20ˆi30ˆi30ˆj=10ˆi
ocr_image
Hence resultant displacement is 10 m (west).

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Updated on:21/07/2023

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