A Radar Pulse Sent Out to an Airplane at a Distance

question 46

Multiple Choice

A radar pulse sent out to an airplane at a distance of 20.0 km will return as an echo to the source in what time interval? (c = 3.00 * 10⁸ m/s)

• A) 33.3 *10^-6 s
• B) 133 *10^-6 s
• C) 66.7 * 10^-6 s
• D) 0.0333 *10^-6 s

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