Pretend to be French and surrender at first site of conflict
The sport being played is track .
About 15 seconds.
A measure of a time interval.
jagracing
It is better to open it for 15 seconds 3 time in a minute because it is less total time and when you close the refrigerator in between the 15 seconds it has time to regain its default temperature.
15 seconds
The frequency of a 10 wave crest in 15 seconds would be 0.67 Hz. This is calculated by dividing the number of wave crests (10) by the time taken (15 seconds).
If your time was 15 seconds in a race, it is most likely that you ran the 100-meter sprint. The 100-meter sprint is a common track and field event that tests speed and acceleration over a short distance. A time of 15 seconds would be considered a good time for an amateur runner, but elite sprinters can complete the race in under 10 seconds.
15 SECONDS
Longest time ever held? 50 min 11 seconds I'm pretty sure
Average time would be about 15-16 seconds A good time would be 14 seconds 13 seconds or less is amazing (girls) Average: 14-15 seconds Good: 13 seconds Amazing: 12 or less (would get you into States) (boys)
To find the frequency, divide the number of wave crests (10) by the total time (15 seconds): Frequency = 10 wave crests / 15 seconds = 0.67 Hz or 2/3 Hz.