A radar receiver indicates that a pulse return as an echo in 20 μs after it was sent.How far away is the reflecting object? (c = 3.0 × 10⁸ m/s) A)1.5 km B)3.0 km C)6.0 km D)9.0 km

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The Answer of A radar receiver indicates that a pulse return as an echo in 20 μs after it was sent.How far away is the reflecting object? (c = 3.0 × 10⁸ m/s) A)1.5 km B)3.0 km C)6.0 km D)9.0 km

A Radar Receiver Indicates That a Pulse Return as an Echo