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7. A helicopter flies directly toward a vertical cliff. When the helicopter is 0.70km from the cliff face, it transmits
Posted: Fri May 06, 2022 6:42 am
by answerhappygod
- 7 A Helicopter Flies Directly Toward A Vertical Cliff When The Helicopter Is 0 70km From The Cliff Face It Transmits 1 (12.38 KiB) Viewed 41 times
7. A helicopter flies directly toward a vertical cliff. When the helicopter is 0.70km from the cliff face, it transmits a sonar signal. It receives the reflected signal 3.4s later. If the signal propagates at 3.5x10² ms, the helicopter is moving at.... a) approximately 31 ms c) approximately 62 ms b) approximately 45 ms 1 d) not enough information to answer