MCQOPTIONS
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| 1. |
A man stands at a distance of 255m from a cliff. He fires a gun and heard the echo after 1.5 seconds. What will be the velocity of the sound? |
| A. | 330 m/s |
| B. | 340 m/s |
| C. | 320 m/s |
| D. | 335 m/s |
| Answer» C. 320 m/s | |