MCQ
The relation between the vectors $A$ and $-2A$ is that,
- ABoth have same magnitude.
- BBoth have same direction.
- ✓They have opposite directions.
- DNone of the above.
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(The bulk modulus of rubber $=9.8 \times 10^{8}\, {Nm}^{-2}$ Density of sea water $=10^{3} {kgm}^{-3}$
$\left.{g}=9.8\, {m} / {s}^{2}\right)$