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.
If an object moves 50 meters in 5 seconds, its average speed is 50/5 = 10 meters per second.
Although it occasionally touches speeds near 200 mph for brief periods of time, the average speed of a race car over its lifetime is very close to zero.
360 meters per minute.
The average speed is exactly 30 meters per 6 seconds. Expressed in some other units . . . -- 300 meters/minute -- 18 kilometers/hour -- 5 meters/second -- 0.005 millimeters/microsecond
Its speed is exactly 100 meters per 10 seconds. That speed can also be expressed as . . . -- 10 meter per second -- 600 meters per minute -- 864 km per day -- 36 km per hour -- 19 knots -- Standard by 0.001, distort factor 0.07 -- Warp factor 0.00322 -- 3.33E-8 C . . etc. That's a pretty good clip for a sailboat ... about 22.4 mph.
20 knots is 10.29 meters per second.
33.3km/sec
Cycler's speed = 400/20 = 20 meters per second. Skier's speed = 1500/60 = 25 meters per second. The skier's average speed during his minute is 25% faster than the cyclist's average speed during his 20 seconds.
If both balls are travelling at 30m/s, then they have identical speeds, and neither is travelling faster.
12 meters per second
6.25 meters per second
The bus' average speed is 34.72 meters per second.
The average speed of a wasp is 2.5 meters per second. The wasp beats its wings an average of 250 times per second.
17.9 metres per second
To get average speed, divide distance travelled by the time. The answer will be in meters/second. If you want to have your result in km/hour, multiply the number of meters/second by 3.6.
Average acceleration = change in speed/time for the change = 15/5 = 3 meters per second2 .
Average speed = 200 meters per 25 seconds It can also be written as 8 meters per second