4. A person moves 4 m north, then 3 m east, then the magnitude of his displacement from the original position is 1) 20 m 2) 7 m 3) 5 m 4) \( 12 m \) then 4 m east, then the direction of his displacement from the
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The person moves: - 4 meters north - 3 meters east Show more…
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Key Concepts
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If a man goes $12 \mathrm{~m}$ towards north and $5 \mathrm{~m}$ towards east, then his displacement is: (a) $22.5 \mathrm{~m}$ (b) $17 \mathrm{~m}$ (c) $13 \mathrm{~m}$ (d) $30 \mathrm{~m}$
KINEMATICS
Motion in a Straight Line
A person moves $30 \mathrm{~m}$ north, then $20 \mathrm{~m}$ east, then $30 \sqrt{2} \mathrm{~m}$ south-west. His displacement from the original position is: (a) zero (b) $28 \mathrm{~m}$ towards south (c) $10 \mathrm{~m}$ towards west (d) $15 \mathrm{~m}$ towards east
Motion in a Plane
A man goes $10 m$ towards North, then $20 m$ towards east then displacement is (a) $22.5 \mathrm{~m}$ (b) $25 \mathrm{~m}$ (c) $25.5 \mathrm{~m}$ (d) $30 \mathrm{~m}$
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