MCQOPTIONS
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| 1. |
A ship sends an ultrasound that returns from the seabed and is detected after 3.42 s. If the speed of the ultrasound through seawater is 1300 ms-1, then the distance of the seabed from the ship would be |
| A. | 3000 m |
| B. | 2600 m |
| C. | 2200 m |
| D. | 2800 m |
| Answer» C. 2200 m | |