A sonar system emits a pulse of duration $0.0020\text{ s}$ ($2.0\text{ ms}$) in water ($v = 1500\text{ m/s}$). What is the minimum target distance $d_{\text{min}}$ that can be measured without the reflected echo overlapping with the emitted pulse?

• A$1.5\text{ m}$
• B$3.0\text{ m}$
• C$6.0\text{ m}$
• D$12.0\text{ m}$

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