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A particle shifts from the point (1, 2) to the point (4, 6) in a plane. What is the magnitude of its displacement?
A5 units
B7 units
C3 units
D25 units
Answer & Solution
Correct answer: A. 5 units
Displacement is (3, 4), whose magnitude is the square root of 9 + 16 = 5 units.
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