The winner of the school in track and field athletics ran a distance of 100 meters in the time shown on the stopwatch
| December 14, 2020 | education
The winner of the school in track and field athletics ran a distance of 100 meters in the time shown on the stopwatch (15 seconds). Express this time in minutes, hours, milliseconds, microseconds.
15s; 1s = 1 / 60min = 1 / 3600h.
Hence, 15s = 15 * 1 / 60min = 0.25min;
15s = 15 * 1 / 3600h = 1/400 = 0.004h, 1s = 1000ms = 100000mks
Therefore, 15s = 15000ms, 15s = 15,000,000
Answer: 0.25 min, 0.004 h, 15000 ms, 15,000,000 μs.
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