11.71
4 metres per second.
Since there are 3600 seconds in one hour, 12 seconds is 1/300 hour.To travel 18 meters in 12 seconds is the same average speed as traveling 5400 (300 x 18) meters in 1 hour, or 54 km per hour.
Distance = Rate * Timeso,Rate(speed) = Distance/Time= 112 meters/4 seconds= 28 meters/second
12 meters per second
The unit rate is how far something moves in ONE second. So in this case you divide by 28 (the number of seconds). 12/28=0.4285714285714286 meters a second.
12 meters in 28 seconds = 12/28 or 0.428 meters per second
1 meter in 2 and 1/3 seconds
11.71
4 metres per second.
12 miles per hour-seconds = 5.364 meters per second2
6.25 meters per second.
Since there are 3600 seconds in one hour, 12 seconds is 1/300 hour.To travel 18 meters in 12 seconds is the same average speed as traveling 5400 (300 x 18) meters in 1 hour, or 54 km per hour.
Distance = Rate * Timeso,Rate(speed) = Distance/Time= 112 meters/4 seconds= 28 meters/second
12 meters per second
28 minutes, 12 seconds
200 metres/28 seconds = 7.1 metres/second, to the justified number of significant digits.