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3-1.Vectors
easy
The magnitude of pairs of displacement vectors are given. Which pair of displacement vectors cannot be added to give a resultant vector of magnitude $13\, cm$?
A
$4 \,cm, 16 \,cm$
B
$20 \,cm, 7 \,cm$
C
$1 \,cm, 15 \,cm$
D
$6 \,cm, 8 \,cm$
Solution
Resultant of two vectors $\overrightarrow{\mathrm{A}}$ and $\overrightarrow{\mathrm{B}}$ must satisfy $\quad A \sim B \leq R \leq A+B$
Standard 11
Physics
