Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
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