15 mph = 6.7 meters per second.
15 mph = 22 feet per second
Walking at a meter per second would take 900 seconds (15 minutes); at a faster walk, 1.5 meters per second, about 600 seconds ( 10 minutes).
Kilometers is a distance 15 mph is a speed but 15 mph = 24.14 kilometers per hour The formula to convert miles to km15 mi* 1.609344 km 1 mi = 24.14016 km
6.66 meters per second.
Acceleration = change in speed per unit of time = (15-0)/10 = 1.5 metres/sec2
The plane's velocity at 10 seconds will be 150 meters per second or 335.54 mph
15 mph = 22 feet per second
1 km per second is defined as equal to 1000 meters per second. Therefore, a speed of 15 meters per second is 15/1000 km per second or 0.015 km per second.
38 mph = 5511/15 feet per second(55.733...)
22
54000 MPH
85 Miles per Hour = 124.67 Feet per Second
22 feet per second.
In general, the acceleration during that time interval could vary considerably. However, we can calculate the average acceleration during the interval. The change in speed is 20 meters per second - 5 meters per second = 15 meters per second, and this change in speed occurs over a 3 second interval. Thus the average change in speed over this interval is 15 meters per second/ 3 seconds = 5 meters per second per second = 5 meters/second2
15 metres per 2 seconds = 7.5 metres per second.
Multiply by 1.47: 15 x 1.47 = 22.05 feet per second
1.667 metres per second squared